Re: Short DismaxRequestHandler Question

[MitchK]

Okay, let me be more specific:
I got a custom StopWordFilter and a WordMarkingFilter.

The WordMarkingFilter is an easy implementation to determine which type a
word is. 
The StopWordFilter (my implementation) removes specific types of words *and*
all markers from all words.

This leads to a deletion of some parts of sentences.

In my disMaxQuery I specified some fields with such filters and some
without.


a) what docs should *not* match the query you listed
In this case: docs where only Solr OR development occur should not match.
It is not important, if both words occur in different fields.


b) what queries should *not* match the doc you listed
Actually "Solr Development Lucidworks" should not match, for example
(assuming that "lucidworks" does not occur in a field like content).
In this case, the user searches for development-work with Solr in relation
to LucidWorks.
Solr does not know about the relation, however with the 100%mm-definition, I
can tell Solr
something like this in a more easier way.


c) what types of URLs you've already tried 
Those I have shown here. No more.

Let me be sure, that I have understood your part about how the
DisMaxRequestHandler works.
If I got 4 fields:
name, colour, category, manufacturer

And an example-doc like this:
title: iPhone
colour: black
category: smartphone
manufacturer: apple

And I got a dismax-query like this:
q=apple iPhone & qf=title^5 manufacturer & mm=100% 
Than the whole thing will match (assumed that iPhone and /or apple where no
stopwords)?

If yes, than the problem is my filter-definition.
There were some threads with discussions about such problems with the
standard-stopWordFilter.

Another example:
title: "Solr in a production environment"
cat: "tutorial"

At index-time, title is reduced to: "Solr production environment".
A query like this "using Solr in a production environment"
will be reduced to "Solr production environment".
This will work, as I have understood, because both: the indexed terms and
the query are the same.

However, if I got a "content" field, that indexes the content of the text
without my markerFilter, this won't work, because the parsed query-strings
are different??? I don't understand the problem 

example:
title: "Solr in a production environment"
cat: "tutorial"
content: "here is some text about using Solr in production. This fieldType
consists of a lowerCaseFilter and a standard-StopWordFilter to delete all
words like 'the, and, in' etc."

Please, note that "environment" does not occur in the content-field.
So a parsed querystring would look like:
"using Solr in a production environment" -> "using Solr production
environment" (stopwords are removed).
This won't match, because the word "environment" does not occur in the
content-field? And according to that, the whole doc does not match?

If you are confused about my examples and questions - I was trying to
understand the explanations that were described here:
http://lucene.472066.n3.nabble.com/DisMax-request-handler-doesn-t-work-with-stopwords-td478128.html#a478128

Thank you for help.

- Mitch
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Embedded Solr search query

[Eric Grobler]

Hello Solr community,

When a user search on our web page, we need to run 3 related but different
queries.
For SEO reasons, we cannot use Ajax so at the moment we run 3 queries
sequentially inside a PHP script.
Allthough Solr is superfast,  the extra network overhead can make the 3
queries 400ms slower than it needs to be.

Thus my question is:
Is there a way whereby you can send 1 query string to Solr with 2 or more
embedded search queries, where Solr will split and execute the queries and
return the results of the multiple searches in 1 go.

In other words, instead of:
-  send searchQuery1
   get result1
-  send searchQuery2
   get result2
...

you run:
- send searchQuery1+searchQuery2
- get result1+result2

Thanks and Regards
Eric

RE: Embedded Solr search query

[caman]

Why not write a custom request handler which can parse, split, execute and
combine results to your queries?

 

 

 

From: Eric Grobler [via Lucene]
[mailto:ml-node+783150-1027691461-124...@n3.nabble.com] 
Sent: Friday, May 07, 2010 1:01 AM
To: caman
Subject: Embedded Solr search query

 

Hello Solr community, 

When a user search on our web page, we need to run 3 related but different 
queries. 
For SEO reasons, we cannot use Ajax so at the moment we run 3 queries 
sequentially inside a PHP script. 
Allthough Solr is superfast,  the extra network overhead can make the 3 
queries 400ms slower than it needs to be. 

Thus my question is: 
Is there a way whereby you can send 1 query string to Solr with 2 or more 
embedded search queries, where Solr will split and execute the queries and 
return the results of the multiple searches in 1 go. 

In other words, instead of: 
-  send searchQuery1 
   get result1 
-  send searchQuery2 
   get result2 
... 

you run: 
- send searchQuery1+searchQuery2 
- get result1+result2 

Thanks and Regards 
Eric 



  _  

View message @
http://lucene.472066.n3.nabble.com/Embedded-Solr-search-query-tp783150p78315
0.html 
To start a new topic under Solr - User, email
ml-node+472068-464289649-124...@n3.nabble.com 
To unsubscribe from Solr - User, click
< (link removed) 
GZvcnRoZW90aGVyc3R1ZmZAZ21haWwuY29tfDQ3MjA2OHwtOTM0OTI1NzEx>  here. 

 


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Re: Embedded Solr search query

[Svein Parnas]

Or send the queries in parallell from the PHP script (use CURL).

Svein


2010/5/7 caman :
>
> Why not write a custom request handler which can parse, split, execute and
> combine results to your queries?
>
>
>
>
>
>
>
> From: Eric Grobler [via Lucene]
> [mailto:ml-node+783150-1027691461-124...@n3.nabble.com]
> Sent: Friday, May 07, 2010 1:01 AM
> To: caman
> Subject: Embedded Solr search query
>
>
>
> Hello Solr community,
>
> When a user search on our web page, we need to run 3 related but different
> queries.
> For SEO reasons, we cannot use Ajax so at the moment we run 3 queries
> sequentially inside a PHP script.
> Allthough Solr is superfast,  the extra network overhead can make the 3
> queries 400ms slower than it needs to be.
>
> Thus my question is:
> Is there a way whereby you can send 1 query string to Solr with 2 or more
> embedded search queries, where Solr will split and execute the queries and
> return the results of the multiple searches in 1 go.
>
> In other words, instead of:
> -  send searchQuery1
>   get result1
> -  send searchQuery2
>   get result2
> ...
>
> you run:
> - send searchQuery1+searchQuery2
> - get result1+result2
>
> Thanks and Regards
> Eric
>
>
>
>  _
>
> View message @
> http://lucene.472066.n3.nabble.com/Embedded-Solr-search-query-tp783150p78315
> 0.html
> To start a new topic under Solr - User, email
> ml-node+472068-464289649-124...@n3.nabble.com
> To unsubscribe from Solr - User, click
> < (link removed)
> GZvcnRoZW90aGVyc3R1ZmZAZ21haWwuY29tfDQ3MjA2OHwtOTM0OTI1NzEx>  here.
>
>
>
>
> --
> View this message in context: 
> http://lucene.472066.n3.nabble.com/Embedded-Solr-search-query-tp783150p783156.html
> Sent from the Solr - User mailing list archive at Nabble.com.
>

Re: Embedded Solr search query

[Eric Grobler]

Hi Camen,

I was hoping someone has done it already :-)
I am also new to Solr/lucene, can you perhaps point me to a request handler
example page?

Thanks and Regards
Eric

On Fri, May 7, 2010 at 9:05 AM, caman wrote:

>
> Why not write a custom request handler which can parse, split, execute and
> combine results to your queries?
>
>
>
>
>
>
>
> From: Eric Grobler [via Lucene]
> [mailto:ml-node+783150-1027691461-124...@n3.nabble.com
> ]
> Sent: Friday, May 07, 2010 1:01 AM
> To: caman
> Subject: Embedded Solr search query
>
>
>
> Hello Solr community,
>
> When a user search on our web page, we need to run 3 related but different
> queries.
> For SEO reasons, we cannot use Ajax so at the moment we run 3 queries
> sequentially inside a PHP script.
> Allthough Solr is superfast,  the extra network overhead can make the 3
> queries 400ms slower than it needs to be.
>
> Thus my question is:
> Is there a way whereby you can send 1 query string to Solr with 2 or more
> embedded search queries, where Solr will split and execute the queries and
> return the results of the multiple searches in 1 go.
>
> In other words, instead of:
> -  send searchQuery1
>   get result1
> -  send searchQuery2
>   get result2
> ...
>
> you run:
> - send searchQuery1+searchQuery2
> - get result1+result2
>
> Thanks and Regards
> Eric
>
>
>
>   _
>
> View message @
>
> http://lucene.472066.n3.nabble.com/Embedded-Solr-search-query-tp783150p78315
> 0.html
> To start a new topic under Solr - User, email
> ml-node+472068-464289649-124...@n3.nabble.com
> To unsubscribe from Solr - User, click
> < (link removed)
> GZvcnRoZW90aGVyc3R1ZmZAZ21haWwuY29tfDQ3MjA2OHwtOTM0OTI1NzEx>  here.
>
>
>
>
> --
> View this message in context:
> http://lucene.472066.n3.nabble.com/Embedded-Solr-search-query-tp783150p783156.html
> Sent from the Solr - User mailing list archive at Nabble.com.
>

Re: Embedded Solr search query

[Eric Grobler]

Hi Svein,
Yes we thought of sending parallell queries, but you still have the extra
network overhead.

Regards
Eric

On Fri, May 7, 2010 at 9:11 AM, Svein Parnas  wrote:

> Or send the queries in parallell from the PHP script (use CURL).
>
> Svein
>
>
> 2010/5/7 caman :
> >
> > Why not write a custom request handler which can parse, split, execute
> and
> > combine results to your queries?
> >
> >
> >
> >
> >
> >
> >
> > From: Eric Grobler [via Lucene]
> > [mailto:ml-node+783150-1027691461-124...@n3.nabble.com
> ]
> > Sent: Friday, May 07, 2010 1:01 AM
> > To: caman
> > Subject: Embedded Solr search query
> >
> >
> >
> > Hello Solr community,
> >
> > When a user search on our web page, we need to run 3 related but
> different
> > queries.
> > For SEO reasons, we cannot use Ajax so at the moment we run 3 queries
> > sequentially inside a PHP script.
> > Allthough Solr is superfast,  the extra network overhead can make the 3
> > queries 400ms slower than it needs to be.
> >
> > Thus my question is:
> > Is there a way whereby you can send 1 query string to Solr with 2 or more
> > embedded search queries, where Solr will split and execute the queries
> and
> > return the results of the multiple searches in 1 go.
> >
> > In other words, instead of:
> > -  send searchQuery1
> >   get result1
> > -  send searchQuery2
> >   get result2
> > ...
> >
> > you run:
> > - send searchQuery1+searchQuery2
> > - get result1+result2
> >
> > Thanks and Regards
> > Eric
> >
> >
> >
> >  _
> >
> > View message @
> >
> http://lucene.472066.n3.nabble.com/Embedded-Solr-search-query-tp783150p78315
> > 0.html
> > To start a new topic under Solr - User, email
> > ml-node+472068-464289649-124...@n3.nabble.com
> > To unsubscribe from Solr - User, click
> > < (link removed)
> > GZvcnRoZW90aGVyc3R1ZmZAZ21haWwuY29tfDQ3MjA2OHwtOTM0OTI1NzEx>  here.
> >
> >
> >
> >
> > --
> > View this message in context:
> http://lucene.472066.n3.nabble.com/Embedded-Solr-search-query-tp783150p783156.html
> > Sent from the Solr - User mailing list archive at Nabble.com.
> >
>

Re: Short DismaxRequestHandler Question

[MitchK]

Btw: This thread helps a lot to understand the difference between qf and pf
:-)
http://lucene.472066.n3.nabble.com/Dismax-query-phrases-td489994.html#a489995
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Long Lucene queries

[Pooja Verlani]

Hi all,

In my web-app, i have to fire a query thats too long due to the various
boosts I have to give. The size changes according to the query and many a
times I get a blank page as I probably cross lucene's character limit. Is it
possible to post it otherwise, to solr. Shall I be using POST instead of a
GET here? Any other better suggestion?

Regards,
Pooja

Re: Long Lucene queries

[Erik Hatcher]

On May 7, 2010, at 6:56 AM, Pooja Verlani wrote:
In my web-app, i have to fire a query thats too long due to the  
various
boosts I have to give. The size changes according to the query and  
many a
times I get a blank page as I probably cross lucene's character  
limit. Is it
possible to post it otherwise, to solr. Shall I be using POST  
instead of a

GET here? Any other better suggestion?


A few options:

 * Use POST (except you won't see the params in the log files)

 * Tomcat: 


 * Jetty: 


Or, possibly a lot of your query params can be put into  
solrconfig.xml, and you send over just what changed.  You can do some  
tricks with param substitution to streamline this stuff in some  
cases.  Some examples of what you're sending over would help us see  
where some improvements could be made.


Erik

schema.xml question

[Antonello Mangone]

Hello everyone, my question is 
Is it possible in schema.xml set a group of fields to use as a default field
to query in "OR" or  in "AND" ???

example:

RE: schema.xml question

[Markus Jelsma]

You could write your own requestHandler in solrconfig.xml, it'll allow you to 
predefine parameters for your configured search components.
 
-Original message-
From: Antonello Mangone 
Sent: Fri 07-05-2010 15:17
To: solr-user@lucene.apache.org; 
Subject: schema.xml question

Hello everyone, my question is 
Is it possible in schema.xml set a group of fields to use as a default field
to query in "OR" or  in "AND" ???

example:


   

Re: schema.xml question

[Antonello Mangone]

For the moment I don't know how to do it, but I'll follow your suggestion :)
Thank you very much ...
ps. I'm just a novel

2010/5/7 Markus Jelsma 

> You could write your own requestHandler in solrconfig.xml, it'll allow you
> to predefine parameters for your configured search components.
>
> -Original message-
> From: Antonello Mangone 
> Sent: Fri 07-05-2010 15:17
> To: solr-user@lucene.apache.org;
> Subject: schema.xml question
>
> Hello everyone, my question is 
> Is it possible in schema.xml set a group of fields to use as a default
> field
> to query in "OR" or  in "AND" ???
>
> example:
>
> 
>

RE: How to load Core Properties after Core creation?

[Ankit Bhatnagar]

What properties are you adding ?
Do you have the persistence = true

Ankit


-Original Message-
From: Ying Huang [mailto:yhu...@capitaliq.com] 
Sent: Thursday, May 06, 2010 6:33 PM
To: solr-user@lucene.apache.org
Subject: How to load Core Properties after Core creation?

Hi All,

Does anyone know if there is any way to create a new Core with specified 
properties or to alter and reload Core Properties for a Core without restarting 
the service?

I tried to do this in three steps:

1)  Create a new core;

2)  Edit solr.xml directly to add properties into the core;

3)  Call RELOAD handler to reload the new core and the specified properties.


However, the reloading doesn't seem to work and the properties added don't 
apply for the newly created core. We're using a nightly build of Solr 1.4 with 
Lucene 2.9.1., and I'm using Core Properties in solr.xml for CoreAdmin. These 
properties can be used in solrconfig.xml (It's discussed here 
http://wiki.apache.org/solr/CoreAdmin#property). Is there any workaround for it?

Thanks,
Ying

Help indexing PDF files

[Leonardo Azize Martins]

Hi,

I am new in Solr.
I would like to index some PDF files.

How can I do using example schema from 1.4.0 version?

Regards,
Leo

RE: Re: schema.xml question

[Markus Jelsma]

A requestHandler works as an URL that can have predefined parameters. By 
default you will be querying the /select/ requestHandler. It, for instance, 
predefines the default number of rows to return (10) and returns all fields of 
a document (*).

 

   explicit

 

But you can also define more complex requestHandlers. The default configuration 
adds the dismax requestHandler (/dismax/) but it's actually the same as the 
default requestHandler if you would define all those configured parameters in 
your URL. So by defining the parameters in the solrconfig.xml, you won't need 
to pass them in you query. You can of course override predefined parameters 
with the exception of parameters defined inside an invariants block.

 

Check the documentation [1] on this subject but i would suggest you study the 
shipped solrconfig.xml [2] configuration file, it offers better explanation of 
the subject.

 

[1]: http://wiki.apache.org/solr/SolrConfigXml

[2]: 
http://svn.apache.org/repos/asf/lucene/dev/trunk/solr/example/solr/conf/solrconfig.xml

 

 

Cheers,
 
-Original message-
From: Antonello Mangone 
Sent: Fri 07-05-2010 15:26
To: solr-user@lucene.apache.org; 
Subject: Re: schema.xml question

For the moment I don't know how to do it, but I'll follow your suggestion :)
Thank you very much ...
ps. I'm just a novel

2010/5/7 Markus Jelsma 

> You could write your own requestHandler in solrconfig.xml, it'll allow you
> to predefine parameters for your configured search components.
>
> -Original message-
> From: Antonello Mangone 
> Sent: Fri 07-05-2010 15:17
> To: solr-user@lucene.apache.org;
> Subject: schema.xml question
>
> Hello everyone, my question is 
> Is it possible in schema.xml set a group of fields to use as a default
> field
> to query in "OR" or  in "AND" ???
>
> example:
>
> 
>    

RE: Re: schema.xml question

[Markus Jelsma]

I forgot, there is actually a proper wiki page on this subject:

http://wiki.apache.org/solr/SolrRequestHandler

 


 
-Original message-
From: Antonello Mangone 
Sent: Fri 07-05-2010 15:26
To: solr-user@lucene.apache.org; 
Subject: Re: schema.xml question

For the moment I don't know how to do it, but I'll follow your suggestion :)
Thank you very much ...
ps. I'm just a novel

2010/5/7 Markus Jelsma 

> You could write your own requestHandler in solrconfig.xml, it'll allow you
> to predefine parameters for your configured search components.
>
> -Original message-
> From: Antonello Mangone 
> Sent: Fri 07-05-2010 15:17
> To: solr-user@lucene.apache.org;
> Subject: schema.xml question
>
> Hello everyone, my question is 
> Is it possible in schema.xml set a group of fields to use as a default
> field
> to query in "OR" or  in "AND" ???
>
> example:
>
> 
>    

RE: Help indexing PDF files

[Markus Jelsma]

Hi,

 

 

The wiki page [1] on this subject will get you started.

 

[1]: http://wiki.apache.org/solr/ExtractingRequestHandler

 

 

Cheers
 
-Original message-
From: Leonardo Azize Martins 
Sent: Fri 07-05-2010 15:37
To: solr-user@lucene.apache.org; 
Subject: Help indexing PDF files

Hi,

I am new in Solr.
I would like to index some PDF files.

How can I do using example schema from 1.4.0 version?

Regards,
Leo

Re: Help indexing PDF files

[Leonardo Azize Martins]

I am using this page, but in my downloaded version there is no site
directory.

Thanks

2010/5/7 Markus Jelsma 

> Hi,
>
>
>
>
>
> The wiki page [1] on this subject will get you started.
>
>
>
> [1]: http://wiki.apache.org/solr/ExtractingRequestHandler
>
>
>
>
>
> Cheers
>
> -Original message-
> From: Leonardo Azize Martins 
> Sent: Fri 07-05-2010 15:37
> To: solr-user@lucene.apache.org;
> Subject: Help indexing PDF files
>
> Hi,
>
> I am new in Solr.
> I would like to index some PDF files.
>
> How can I do using example schema from 1.4.0 version?
>
> Regards,
> Leo
>

RE: Re: Help indexing PDF files

[Markus Jelsma]

You don't need it, you can use any PDF file.
 
-Original message-
From: Leonardo Azize Martins 
Sent: Fri 07-05-2010 15:45
To: solr-user@lucene.apache.org; 
Subject: Re: Help indexing PDF files

I am using this page, but in my downloaded version there is no site
directory.

Thanks

2010/5/7 Markus Jelsma 

> Hi,
>
>
>
>
>
> The wiki page [1] on this subject will get you started.
>
>
>
> [1]: http://wiki.apache.org/solr/ExtractingRequestHandler
>
>
>
>
>
> Cheers
>
> -Original message-
> From: Leonardo Azize Martins 
> Sent: Fri 07-05-2010 15:37
> To: solr-user@lucene.apache.org;
> Subject: Help indexing PDF files
>
> Hi,
>
> I am new in Solr.
> I would like to index some PDF files.
>
> How can I do using example schema from 1.4.0 version?
>
> Regards,
> Leo
>

Re: increase(change) relevancy

[MitchK]

Hi Ramzesua,

take a look at the example of the function query that influences relvancy by
the popular-field of the example-directory.

http://wiki.apache.org/solr/FunctionQuery#Using_FunctionQuery

Kind regards
- Mitch
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Re: Example of using "stream.file" to post a binary file to solr

[Chris Hostetter]

: Sorry. That is what I meant. But, I put it wrongly. I have not been  
: able to find examples of using solrj, for this.

did you look at the link i included?

: > To POST a raw stream using SolrJ you need to use the
: > ContentStreamUpdateRequest...
: >
: > 
http://wiki.apache.org/solr/ExtractingRequestHandler#Sending_documents_to_Solr


-Hoss

Re: Example of using "stream.file" to post a binary file to solr

[Sandhya Agarwal]

Yes, I did. But, I don't find a solrj example there. The example in  
the doc uses curl.

- Sent from iPhone

On 07-May-2010, at 8:12 PM, "Chris Hostetter"  
 wrote:

> : Sorry. That is what I meant. But, I put it wrongly. I have not been
> : able to find examples of using solrj, for this.
>
> did you look at the link i included?
>
> : > To POST a raw stream using SolrJ you need to use the
> : > ContentStreamUpdateRequest...
> : >
> : > 
> http://wiki.apache.org/solr/ExtractingRequestHandler#Sending_documents_to_Solr
>
>
> -Hoss
>

RE: How to load Core Properties after Core creation?

[Ying Huang]

Thanks for your reply, Ahkit.

I'm adding properties like "masterEnabled/slaveEnabled", "pollInterval", 
"autoCommitTime" and etc., so that I can easily configure these properties 
respectively for each Core and use them in solrconfig.xml. 

I'm also using persistent = true, and that's exactly the reason that whenever I 
unload a Core, the Core will be wiped out from solr.xml. And when I re-create 
the Core after that, I need to re-add and reload the properties. Btw, I'm doing 
this because I want to switch "Live" and "Backup" Cores and manipulate Core 
Configurations at the same time.

-Ying 

-Original Message-
From: Ankit Bhatnagar [mailto:abhatna...@vantage.com] 
Sent: Friday, May 07, 2010 9:27 AM
To: 'solr-user@lucene.apache.org'
Subject: RE: How to load Core Properties after Core creation?


What properties are you adding ?
Do you have the persistence = true

Ankit


-Original Message-
From: Ying Huang [mailto:yhu...@capitaliq.com] 
Sent: Thursday, May 06, 2010 6:33 PM
To: solr-user@lucene.apache.org
Subject: How to load Core Properties after Core creation?

Hi All,

Does anyone know if there is any way to create a new Core with specified 
properties or to alter and reload Core Properties for a Core without restarting 
the service?

I tried to do this in three steps:

1)  Create a new core;

2)  Edit solr.xml directly to add properties into the core;

3)  Call RELOAD handler to reload the new core and the specified properties.


However, the reloading doesn't seem to work and the properties added don't 
apply for the newly created core. We're using a nightly build of Solr 1.4 with 
Lucene 2.9.1., and I'm using Core Properties in solr.xml for CoreAdmin. These 
properties can be used in solrconfig.xml (It's discussed here 
http://wiki.apache.org/solr/CoreAdmin#property). Is there any workaround for it?

Thanks,
Ying

Re: Example of using "stream.file" to post a binary file to solr

[Praveen Agrawal]

Sandhya,
Chris's link (with anchor name) directly goes to solrj example


On Fri, May 7, 2010 at 8:15 PM, Sandhya Agarwal wrote:

> Yes, I did. But, I don't find a solrj example there. The example in
> the doc uses curl.
>
> - Sent from iPhone
>
> On 07-May-2010, at 8:12 PM, "Chris Hostetter"
>  wrote:
>
> > : Sorry. That is what I meant. But, I put it wrongly. I have not been
> > : able to find examples of using solrj, for this.
> >
> > did you look at the link i included?
> >
> > : > To POST a raw stream using SolrJ you need to use the
> > : > ContentStreamUpdateRequest...
> > : >
> > : >
> http://wiki.apache.org/solr/ExtractingRequestHandler#Sending_documents_to_Solr
> >
> >
> > -Hoss
> >
>

RE: Help indexing PDF files

[caman]

Take a look at Tika library

 

From: Leonardo Azize Martins [via Lucene]
[mailto:ml-node+783677-325080270-124...@n3.nabble.com] 
Sent: Friday, May 07, 2010 6:37 AM
To: caman
Subject: Help indexing PDF files

 

Hi, 

I am new in Solr. 
I would like to index some PDF files. 

How can I do using example schema from 1.4.0 version? 

Regards, 
Leo 



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tml 
To start a new topic under Solr - User, email
ml-node+472068-464289649-124...@n3.nabble.com 
To unsubscribe from Solr - User, click
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RE: Embedded Solr search query

[caman]

I would just look at SOLR source code and see how standard search handler
and dismaxSearchHandler are implemented.

Look under package 'org.apache.solr.
 handler'

 

 

 

From: Eric Grobler [via Lucene]
[mailto:ml-node+783212-2036924225-124...@n3.nabble.com] 
Sent: Friday, May 07, 2010 1:33 AM
To: caman
Subject: Re: Embedded Solr search query

 

Hi Camen, 

I was hoping someone has done it already :-) 
I am also new to Solr/lucene, can you perhaps point me to a request handler 
example page? 

Thanks and Regards 
Eric 

On Fri, May 7, 2010 at 9:05 AM, caman <[hidden email]>wrote: 


> 
> Why not write a custom request handler which can parse, split, execute and

> combine results to your queries? 
> 
> 
> 
> 
> 
> 
> 
> From: Eric Grobler [via Lucene] 
> [mailto:[hidden email]<[hidden email]> 
> ] 
> Sent: Friday, May 07, 2010 1:01 AM 
> To: caman 
> Subject: Embedded Solr search query 
> 
> 
> 
> Hello Solr community, 
> 
> When a user search on our web page, we need to run 3 related but different

> queries. 
> For SEO reasons, we cannot use Ajax so at the moment we run 3 queries 
> sequentially inside a PHP script. 
> Allthough Solr is superfast,  the extra network overhead can make the 3 
> queries 400ms slower than it needs to be. 
> 
> Thus my question is: 
> Is there a way whereby you can send 1 query string to Solr with 2 or more 
> embedded search queries, where Solr will split and execute the queries and

> return the results of the multiple searches in 1 go. 
> 
> In other words, instead of: 
> -  send searchQuery1 
>   get result1 
> -  send searchQuery2 
>   get result2 
> ... 
> 
> you run: 
> - send searchQuery1+searchQuery2 
> - get result1+result2 
> 
> Thanks and Regards 
> Eric 
> 
> 
> 
>   _ 
> 
> View message @ 
> 
>
http://lucene.472066.n3.nabble.com/Embedded-Solr-search-query-tp783150p78315
>
0.html 
> To start a new topic under Solr - User, email 
> [hidden email]<[hidden email]> 
> To unsubscribe from Solr - User, click 
> < (link removed) 
> GZvcnRoZW90aGVyc3R1ZmZAZ21haWwuY29tfDQ3MjA2OHwtOTM0OTI1NzEx>  here. 
> 
> 
> 
> 
> -- 
> View this message in context: 
>
http://lucene.472066.n3.nabble.com/Embedded-Solr-search-query-tp783150p78315
6.html
> Sent from the Solr - User mailing list archive at Nabble.com. 
> 

 

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Re: Help indexing PDF files

[Leonardo Azize Martins]

I had Solr in machine A.

In machine B I run the command below:
curl "http://10.33.19.201:8983/solr/update/extract?&extractOnly=true";
--data-binary @VPSX_V1_R10.pdf

and I get the response:
java.lang.IllegalStateException: Form too large

What I and doing wrong?
Is it the right or best way to send PDF files to be indexed?

Regards,
Leo



2010/5/7 caman 

>
> Take a look at Tika library
>
>
>
> From: Leonardo Azize Martins [via Lucene]
> [mailto:ml-node+783677-325080270-124...@n3.nabble.com
> ]
> Sent: Friday, May 07, 2010 6:37 AM
> To: caman
> Subject: Help indexing PDF files
>
>
>
>  Hi,
>
> I am new in Solr.
> I would like to index some PDF files.
>
> How can I do using example schema from 1.4.0 version?
>
> Regards,
> Leo
>
>
>
>  _
>
> View message @
>
> http://lucene.472066.n3.nabble.com/Help-indexing-PDF-files-tp783677p783677.h
> tml
> To start a new topic under Solr - User, email
> ml-node+472068-464289649-124...@n3.nabble.com
> To unsubscribe from Solr - User, click
> < (link removed)
> GZvcnRoZW90aGVyc3R1ZmZAZ21haWwuY29tfDQ3MjA2OHwtOTM0OTI1NzEx>  here.
>
>
>
>
> --
> View this message in context:
> http://lucene.472066.n3.nabble.com/Help-indexing-PDF-files-tp783677p784092.html
> Sent from the Solr - User mailing list archive at Nabble.com.
>

CommonsHttpSolrServer vs EmbeddedSolrServer

[Blargy]

Can someone please explain to me the use cases when one would use one over
the other.

All I got from the wiki was: (In reference to Embedded) "If you need to use
solr in an embedded application, this is the recommended approach. It allows
you to work with the same interface whether or not you have access to HTTP.
"

I had a use case (detailed here:
http://lucene.472066.n3.nabble.com/Custom-DIH-variables-td777696.html#a777696)
where I tried creating a new server via the current core but I kept getting
a "SEVERE: java.util.concurrent.RejectedExecutionException... SEVERE: Too
many close [count:-3] on org.apache.solr.core.SolrCore...". Maybe my
implementation was off??? 

Is there any detailed documentation on SolrJ usage.. more than the wiki? Any
books? Thanks




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Re: Sanity check on numeric types and which of them to use

[wojtekpia]

> 3) The only reason to use a "sint" field is for backward compatibility
> and/or to use sortMissingFirst/SortMissingLast, correct?
> 

I'm using sint so I can facet and sort facets numerically. 
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Re: Help indexing PDF files

[Leonardo Azize Martins]

Hi,

Sorry, I am newbie.

Using these two commands it works.

 curl "
http://10.33.19.201:8983/solr/update/extract?stream.file=C:\\temp\\VPSX_V1_R10.pdf&stream.contentType=application/pdf&literal.id=M4968\\C$\\temp\\VPSX_V1_R10.pdf&commit=true
"

 curl '
http://10.33.19.201:8983/solr/update/extract?literal.id=doc1&commit=true' -F
"te...@vpsx_v1_r10.pdf"

Thanks for all help.



Going ahead, what is the best choice to index a windows share?
Using stream.file or not?
Indexing all files all times or verifying if a file was changes and if so,
index it?

Regards,
Leo



2010/5/7 Leonardo Azize Martins 

> I had Solr in machine A.
>
> In machine B I run the command below:
> curl "http://10.33.19.201:8983/solr/update/extract?&extractOnly=true";
> --data-binary @VPSX_V1_R10.pdf
>
> and I get the response:
> java.lang.IllegalStateException: Form too large
>
> What I and doing wrong?
> Is it the right or best way to send PDF files to be indexed?
>
> Regards,
> Leo
>
>
>
> 2010/5/7 caman 
>
>
>> Take a look at Tika library
>>
>>
>>
>> From: Leonardo Azize Martins [via Lucene]
>> [mailto:ml-node+783677-325080270-124...@n3.nabble.com
>> ]
>> Sent: Friday, May 07, 2010 6:37 AM
>> To: caman
>> Subject: Help indexing PDF files
>>
>>
>>
>>  Hi,
>>
>> I am new in Solr.
>> I would like to index some PDF files.
>>
>> How can I do using example schema from 1.4.0 version?
>>
>> Regards,
>> Leo
>>
>>
>>
>>  _
>>
>> View message @
>>
>> http://lucene.472066.n3.nabble.com/Help-indexing-PDF-files-tp783677p783677.h
>> tml
>> To start a new topic under Solr - User, email
>> ml-node+472068-464289649-124...@n3.nabble.com
>> To unsubscribe from Solr - User, click
>> < (link removed)
>> GZvcnRoZW90aGVyc3R1ZmZAZ21haWwuY29tfDQ3MjA2OHwtOTM0OTI1NzEx>  here.
>>
>>
>>
>>
>> --
>> View this message in context:
>> http://lucene.472066.n3.nabble.com/Help-indexing-PDF-files-tp783677p784092.html
>> Sent from the Solr - User mailing list archive at Nabble.com.
>>
>
>

Re: Can I use per field analyzers and dynamic fields?

[Chris Hostetter]

: 
: The "source" of my problems is the fact that I do not know in advance the
: field names. Users are allowed to decide they own field names, they can,
: at runtime, add new fields and different Lucene documents might have
: different field names.

I would suggest you abstract away the field names your users pick and the 
underlying fieldnames you use when dealing with solr -- so create the list 
of fieldTypes you want to support (with all of the individual analzyer 
configurations that are valid) and then create a dynamicField 
corrisponding to each one.

then if your user tells you they want an "author" field associated with 
the type "text_en" you can map that in your application to 
"author_text_end" at both indexing and query time.

This will also let you map the same "logical field names" (from your 
user's perspective) to different "internal field names" (from Solr's 
perspective) based on usage -- searching the "author" field might be 
against "author_text_en" but sorting on "author" might use 
"author_string".

(Some notes were drafted up a while back on making this kind of field name 
aliasing a feature of Solr, but nothing ever came of it...
  http://wiki.apache.org/solr/FieldAliasesAndGlobsInParams
)

-Hoss

Re: Commit takes 1 to 2 minutes, CPU usage affects other apps

[Chris Hostetter]

: The measurement was done outside our Solr client which sends the update
: and then the commit to the handler. I also see the update-URL call in
: the Tomcat Manager taking up that amount of time.

so it's the full request time, and would be inclusive of any postCommit 
event handlers -- that's important to know.  the logs will help clear up 
wether the underlying "commit" is really taking up a large amount of time 
or if it's some postCommit even (like spellcheck index building, or 
snapshooting, etc...)

: > what do your Solr logs say about the commit, and the subsequent 
: > newSearcher?
: 
: How can I get such logs? I was asking for in the second mail do this

it depends on what servlet container you use to run Solr, and how it's 
configured.  In the simple the "java -jar start.jar" jetty setup used for 
the Solr example, jetty dumps them to STDOUT in your console.  But most
servlet containers will write log messages to a file someplace (and even 
jetty will log to a file if it's configured to do so -- most production 
instance are)


-Hoss

Re: Re: schema.xml question

[Antonello Mangone]

Thank you very much for your suggestions, I'll study immediatly ...


2010/5/7 Markus Jelsma 

> I forgot, there is actually a proper wiki page on this subject:
>
> http://wiki.apache.org/solr/SolrRequestHandler
>
>
>
>
>
> -Original message-
> From: Antonello Mangone 
> Sent: Fri 07-05-2010 15:26
> To: solr-user@lucene.apache.org;
> Subject: Re: schema.xml question
>
> For the moment I don't know how to do it, but I'll follow your suggestion
> :)
> Thank you very much ...
> ps. I'm just a novel
>
> 2010/5/7 Markus Jelsma 
>
> > You could write your own requestHandler in solrconfig.xml, it'll allow
> you
> > to predefine parameters for your configured search components.
> >
> > -Original message-
> > From: Antonello Mangone 
> > Sent: Fri 07-05-2010 15:17
> > To: solr-user@lucene.apache.org;
> > Subject: schema.xml question
> >
> > Hello everyone, my question is 
> > Is it possible in schema.xml set a group of fields to use as a default
> > field
> > to query in "OR" or  in "AND" ???
> >
> > example:
> >
> > 
> >

Re: SEVERE: java.util.concurrent.RejectedExecutionException

[Chris Hostetter]

: I am working with creating my own custom dataimport handler evaluator class
: and I keep running across this error when I am trying to delta-import. It
: told me to post this exception to the mailing list so thats what I am doing
: ;)
: 
: [java] SEVERE: java.util.concurrent.RejectedExecutionException
...
:  [java] SEVERE: Too many close [count:-1] on
: org.apache.solr.core.solrc...@15db4492. Please report this exception to
: solr-user@lucene.apache.org
...
: Has anyone run across this before? Why is this happening and how can it be
: fixed? 

If your custom class doesn't call "open()" on a SolrCore, then you 
should not call "close()"  -- 99% of all Solr users (even the ones writing 
plugins) should never need to call either of those methods.

(FYI: the "please report" in the stack trace is just in case someone 
encounters that error in a "stock" instance of Solr -- it would indicate a 
fairly serious error in the basic Solr implementation)



-Hoss

Re: schema.xml question

[Chris Hostetter]

: 
: 



...



group_name




-Hoss

Re: schema.xml question

[Antonello Mangone]

It's seems like a copyField but is a group that I want ... and in your
version is not a group, I want the possibility to search in a group of field
using "AND" or "OR"

2010/5/7 Chris Hostetter 

>
> : 
> : 
> 
> 
> 
> ...
> 
> 
> 
> group_name
>
>
>
>
> -Hoss
>
>

Re: Short DismaxRequestHandler Question

[Chris Hostetter]

: The StopWordFilter (my implementation) removes specific types of words *and*
: all markers from all words.
: 
: This leads to a deletion of some parts of sentences.

Ah, yes i think you're running into the same confusion people have with 
dismax and stopwords -- there was a blog about this recently that 
explained it much better then i've ever been able to...

http://bibwild.wordpress.com/2010/04/14/solr-stop-wordsdismax-gotcha/
>> As long as each of those solr fields is configured for stopwords (and 
>> the same) stopwords, everything Just Works the way you’d expect.  But 
>> if one of those fields does not have stopwords configured, then 
>> (depending on your mm settings), you can easily end up getting zero 
>> hits for any (non-phrase) query clause that is a stopword.  This kind 
>> of makes sense when you think about it — since at least one field 
>> didn’t have stopwords, there was a clause included for that stopword 
>> you entered. 

(the blog post makes an incorrect assumption after that -- but the 
paragraph above is dead on)

: Let me be sure, that I have understood your part about how the
: DisMaxRequestHandler works.
: If I got 4 fields:
: name, colour, category, manufacturer
: 
: And an example-doc like this:
: title: iPhone
: colour: black
: category: smartphone
: manufacturer: apple
: 
: And I got a dismax-query like this:
: q=apple iPhone & qf=title^5 manufacturer & mm=100% 
: Than the whole thing will match (assumed that iPhone and /or apple where no
: stopwords)?

correct

: Another example:
: title: "Solr in a production environment"
: cat: "tutorial"
: 
: At index-time, title is reduced to: "Solr production environment".
: A query like this "using Solr in a production environment"
: will be reduced to "Solr production environment".

...not neccessarily.  if you only have one field in your qf, and that 
feild defines "using", "in" and "a" as stopwords then that may be what 
your query turns into.

: However, if I got a "content" field, that indexes the content of the text
: without my markerFilter, this won't work, because the parsed query-strings
: are different??? I don't understand the problem 

(FWIW: "parsed query-strings" is an ambiguious statement (it could be 
refering to the Query object you get when parsing query strings, or it 
could refer to the toString value of the Query object you get after 
parsing)

The query string is not parsed "differnet" for each of your qf fields, it 
is parsed exactly once, and each "chunk" of the string (ie: a "word" or 
quoted phrase) is passed to the analyzer for each field -- if any one of 
those fields produces a valid stream of tokens for that input (ie: it's 
not a stopword) then that constitutes one clause -- even if only one field 
says it's a valid clause, it's still a valid clause, and it's factored in 
to the "min-should-match" (mm) amount.

Mike Klass explained this really well in a previous thread about stop 
words and dismax, where he showed the detailed query structure

http://old.nabble.com/Re%3A-DisMax-request-handler-doesn%27t-work-with-stopwords--p11016770.html

...hopefully that structure will help make the behavior yo uare seeing 
clear.  I suggest you add debugQuery=true to your queries that are 
failing, and look closely at the parsedQuery_toString -- pay attention to 
the structure, and not how many clauses exsit for the main boolean query 
-- note the clauses of that query, and where you have clauses consisting 
exclusively of stopwords (in fields where stopwords are not removed).  If 
it's still not making sense please post that exact debug output.

-Hoss

Re: Highlighting Performance On Large Documents

[Lance Norskog]

Do you have these options turned on when you index the text field:
termVectors/termPositions/termOffsets ?

Highlighting needs the information created by these anlysis options.
If they are not turned on, Solr has load the document text and run the
analyzer again with these options on, uses that data to create the
highlighting, then throws away the reanalyzed data. Without these
options, you are basically re-indexing the document when you highlight
it.

http://www.lucidimagination.com/search/out?u=http%3A%2F%2Fwiki.apache.org%2Fsolr%2FFieldOptionsByUseCase

On Wed, May 5, 2010 at 5:01 PM, Koji Sekiguchi  wrote:
> (10/05/05 22:08), Serdar Sahin wrote:
>>
>> Hi,
>>
>> Currently, there are similar topics active in the mailing list, but it I
>> did
>> not want to steal the topic.
>>
>> I have currently indexed 100.000 documents, they are microsoft office/pdf
>> etc documents I convert them to TXT files before indexing. Files are
>> between
>> 1-500 pages. When I search something and filter it to retrieve documents
>> that has more than 100 pages, and activate highlighting, it takes 0.8-3
>> seconds, depending on the query. (10 result per page) If I retrieve
>> documents that has 1-5 pages, it drops to 0.1 seconds.
>>
>> If I disable highlighting, it drops to 0.1-0.2 seconds, even on the large
>> documents, which is more than enough. This problem mostly happens where
>> there are no caches, on the first query. I use this configuration for
>> highlighting:
>>
>>
>>  $query->addHighlightField('description')->addHighlightField('plainText');
>>     $query->setHighlightSimplePre('');
>>     $query->setHighlightSimplePost('');
>>     $query->setHighlightHighlightMultiTerm(TRUE);
>>     $query->setHighlightMaxAnalyzedChars(1);
>>     $query->setHighlightSnippets(2);
>>
>> Do you have any suggestions to improve response time while highlighting is
>> active? I have read couple of articles you have previously provided but
>> they
>> did not help.
>>
>> And for the second question, I retrieve these fields:
>>
>>     $query->addField('title')->addField('cat')->addField('thumbs_up')->
>>             addField('thumbs_down')->addField('lang')->addField('id')->
>>
>>  addField('username')->addField('view_count')->addField('pages')->
>>             addField('no_img')->addField('date');
>>
>> If I can't solve the highlighting problem on large documents, I can simply
>> disable it and retrieve first x characters from the plainText (full text)
>> field, but is it possible to retrieve first x characters without using the
>> highlighting feature? When I use this;
>>     $query->setHighlight(TRUE);
>>     $query->setHighlightAlternateField('plainText');
>>     $query->setHighlightMaxAnalyzedChars(0);
>>     $query->setHighlightMaxAlternateFieldLength(256);
>>
>> It still takes 2 seconds if I retrieve 10 rows that has 200-300 pages. The
>> highlighting still works so it might be the source of the problem, I want
>> to
>> completely disable it and retrieve only the first 256 characters of the
>> plainText field. Is it possible? It may remove some overhead give better
>> performance.
>>
>> I personally prefer the highlighting solution but I also would like to
>> hear
>> the solution for this problem. For the same query, if I disable
>> highlighting
>> and without retrieving (but still searching) the plainText field, it drops
>> to 0.0094 seconds. So I think if I can get the first 256 characters
>> without
>> using the highlighting, I will get better performance.
>>
>> Any suggestions regarding with these two problems will highly appreciated.
>>
>> Thanks,
>>
>> Serdar Sahin
>>
>>
>
> Hi Serdar,
>
> There are a few things I think of you can try.
>
> 1. Provide another field for highlighting and use copyField
> to copy plainText to the highlighting field. When using copyField,
> specify maxChars attribute to limit the length of the copy of plainText.
> This should work on Solr 1.4.
>
> 2. If you can use branch_3x version of Solr, try FastVectorHighlighter.
>
> Koji
>
> --
> http://www.rondhuit.com/en/
>
>



-- 
Lance Norskog
goks...@gmail.com

Re: caching repeated OR'd terms

[Lance Norskog]

I would suggest benchmarking this before doing any more complex
design. A field with only 10k unique integer or string values will
search very very quickly.

On Thu, May 6, 2010 at 7:54 AM, Nagelberg, Kallin
 wrote:
> Hey everyone,
>
> I'm having some difficulty figuring out the best way to optimize for a 
> certain query situation. My documents have a many-valued field that stores 
> lists of IDs. All in all there are probably about 10,000 distinct IDs 
> throughout my index. I need to be able to query and find all documents that 
> contain a given set of IDs. Ie, I want to find all documents that contain IDs 
> 3, 202, 3030 or 505. Currently I'm implementing this like so:
>
> q= (myfield:3) OR (myfield:202) OR (myfield:3030) OR (myfield:505).
>
> It's possible that there could be upwards of hundreds of terms, although 90% 
> of the time it will be under 10. Ideally I would like to do this with a 
> filter query, but I have read that it is impossible to cache OR'd terms in a 
> fq, though this feature may come soon. The problem is that the combinations 
> of OR'd terms will almost always be unique, so the query cache will have a 
> very low hit rate. It would be great if the individual terms could be cached 
> individually, but I'm not sure how to accomplish that.
>
> Any suggestions would be welcome!
> -Kallin Nagelberg
>
>



-- 
Lance Norskog
goks...@gmail.com

Re: Custom DIH variables

[Lance Norskog]

Using a core via the Embedded front and the HTTP front end seems
dangerous.  SOLR-1499 does an HTTP call for the same info.

https://issues.apache.org/jira/browse/SOLR-1499

On Thu, May 6, 2010 at 8:18 PM, Blargy  wrote:
>
> So I came up with the following class.
>
> public class LatestTimestampEvaluator extends Evaluator {
>
>  private static final Logger logger =
> Logger.getLogger(LatestTimestampEvaluator.class.getName());
>
> �...@override
>  public String evaluate(String expression, Context context) {
>
>    List params = EvaluatorBag.parseParams(expression,
> context.getVariableResolver());
>    String field = params.get(0).toString();
>
>    SolrCore core = context.getSolrCore();
>    CoreContainer container = new CoreContainer();
>    container.register(core, false);
>    EmbeddedSolrServer server = new EmbeddedSolrServer(container,
> core.getName());
>
>    SolrQuery query = new SolrQuery("*:*");
>    query.addSortField(field, SolrQuery.ORDER.desc);
>    query.setRows(1);
>
>    try {
>      QueryResponse response = null;
>      response = server.query(query);
>
>      SolrDocument document = response.getResults().get(0);
>      Date date = (Date) document.getFirstValue(field);
>      String timestamp = new Timestamp(date.getTime()).toString();
>      logger.info(timestamp);
>
>      return timestamp;
>    } catch (Exception exception) {
>      logger.severe(exception.getMessage());
>      logger.severe(DocumentUtils.stackTraceToString(exception));
>
>      return null;
>    } finally {
>      core.close();
>      container.shutdown();
>    }
>  }
>
> and I am calling it within my dataconfig file like so...
>
> 
>   class="com.mycompany.solr.handler.dataimport.LatestTimestampEvaluator"/>
> ...
>
>                deltaQuery="select id from items where  updated_on >
> '${dataimporter.functions.latest_timestamp('updated_on')}'
>   
>   
> 
>
> I was hoping someone can
>
> 1) Comment on the above class. How does it suck? This was my first time
> working with SolrJ.
> 2) It seems to work find when I there is only one entity using that function
> but when there are more entities using that function (which is my use case)
> I get a "SEVERE: java.util.concurrent.RejectedExecutionException" exception.
> Can someone explain why this is happening and how I can fix it. I added the
> full stack trace to a separate thread here:
> http://lucene.472066.n3.nabble.com/SEVERE-java-util-concurrent-RejectedExecutionException-tp782768p782768.html
>
> Thanks for your help!
> --
> View this message in context: 
> http://lucene.472066.n3.nabble.com/Custom-DIH-variables-tp777696p782769.html
> Sent from the Solr - User mailing list archive at Nabble.com.
>



-- 
Lance Norskog
goks...@gmail.com

Re: Custom DIH variables

[Blargy]

Thanks for the tip Lance. Just for reference, why is it dangerous to use the
HTTP method? I realized that the embedded method is probably not the way to
go (obviously since I was getting that "SEVERE:
java.util.concurrent.RejectedExecutionException") 

-- 
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Sent from the Solr - User mailing list archive at Nabble.com.