1. Yes, the default for mm is 1.
2. It depends on what you are really trying to do - you haven't told us.
Generally, mm=1 is equivalent to q.op=OR, and mm=100% is equivalent to
q.op=AND.
Generally, use q.op unless you really know what you are doing.
Generally, the intent of mm is to set the
Hi,
Using mm=1 with (e)dismax is not a good idea. Your user will be unhappy.
Because there in no coord factor with this parser.
coord is about : "Typically, a document that contains more of the query's terms
will receive a higher score than another document with fewer query terms."
I suggest yo
Thanks Ahmet.
So if its single term query like 'Ginseng' what does a mm=3 do to the query .I
am guessing it would be reduced to 1 automatically in this case.
Sent from my HTC
- Reply message -
From: "Ahmet Arslan"
To: "solr-user@lucene.apache.org"
Subject: eDismax parser and the mm pa
Thanks Jack! I understand the intent of mm parameter, my question is that
since the query terms being provided are not of fixed length I do not know
what the mm should like for example "Ginseng","Siberian Ginseng" are my
search terms. The first one can have an mm upto 1 and the second one can
have
It still depends on your objective - which you haven't told us yet. Show us
some use cases and detail what your expectations are for each use case.
The edismax phrase boosting is probably a lot more useful than messing
around with mm. Take a look at pf, pf2, and pf3.
See:
http://wiki.apache.o
Thanks Areek. So looking at the code in trunk, exposing it to Solr looks to be
pretty straightforward - just extending DocumentDictionaryFactory to take a
'contextField' parameter as well, and passing that on to the DocumentDictionary
constructor. I'll give it a go!
Thanks again.
Alan Woodwa
Hello Member,
Is there any difference between distributed solr & solrCloud ?
Consider I have three countries' product. I have indexed one country data
and it's index size is 160 gb+
Now we have other two countries and now I am confused !
My client ask me what is the difference if we procure ano
On 30 March 2014 23:12, Priti Solanki wrote:
>
> Hello Member,
>
> Is there any difference between distributed solr & solrCloud ?
You might be confusing the older Solr distributed search with the new SolrCloud:
* Older distributed search: https://wiki.apache.org/solr/DistributedSearch
* SolrCloud
Distributed solr is simply the ability for Solr to take the incoming
query and send it to multiple shards, then aggregate the response.
Here a "shard" is a physical partition of a single logical index. The
assumption is that you can't fit the entire index on a single machine
and still get the perfo
We don’t currently retry, but I don’t think it would hurt much if we did - at
least briefly.
If you want to file a JIRA issue, that would be the best way to get it in a
future release.
--
Mark Miller
about.me/markrmiller
On March 28, 2014 at 5:40:47 PM, Michael Della Bitta
(michael.della.bi.
RAM shouldn't be a problem.
I have a box with 144GB RAM, running 12 instances with 4GB Java heap each.
There are 9 instances wrting to 1TB of SSD disk space.
Other 3 are writing to SATA drives, and have autosoftcommit disabled.
-Original Message-
From: Shawn Heisey
To: solr-user
On 3/30/2014 2:59 PM, Rishi Easwaran wrote:
> RAM shouldn't be a problem.
> I have a box with 144GB RAM, running 12 instances with 4GB Java heap each.
> There are 9 instances wrting to 1TB of SSD disk space.
> Other 3 are writing to SATA drives, and have autosoftcommit disabled.
This brought up
Jacks Thanks Again,
I am searching Chinese medicine documents , as the example I gave earlier
a user can search for "Ginseng" or Siberian Ginseng or Red Siberian Ginseng
, I certainly want to use pf parameter (which is not driven by mm
parameter) , however for giving higher score to documents th
If you use pf, pf2, and pf3 and boost appropriately, the effects of mm will
be dwarfed.
The general goal is to assure that the top documents really are the best,
not to necessarily limit the total document count. Focusing on the latter
could be a real waste of time.
It's still not clear why
Jack,
I mis-stated the problem , I am not using the OR operator as default
now(now that I think about it it does not make sense to use the default
operator OR along with the mm parameter) , the reason I want to use pf and
mm in conjunction is because of my understanding of the edismax parser and
The mm parameter is really only relevant when the default operator is OR or
explicit OR operators are used.
Again: Please provide your use case examples and your expectations for each
use case. It really doesn't make a lot of sense to prematurely focus on a
solution when you haven't clearly de
Thanks Jack , my use cases are as follows.
1. Search for "Ginseng" everything related to ginseng should show up.
2. Search For "White Siberian Ginseng" results with the whole phrase
show up first followed by 2 words from the phrase followed by a single word
in the phrase
3. Fuzzy S
I have many plain text xml that I transfer to form of solr xml format.
But every time I send them to solr, I hit OOM exception.
How to configure solr to "eat" these big xml?
Please guide me a way. Thanks
floyd
Without digging too deep into why exactly this is happening, here are
the general options:
0. Are you actually committing? Check the messages in the logs and see
if the records show up when you expect them too.
1. Are you actually trying to feed 20Mb file to Solr? Maybe it's HTTP
buffer that's blo
Hi Alex,
Thanks for your responding. Personally I don't want to feed these big xml
to solr. But users wants.
I'll try your suggestions later.
Many thanks.
Floyd
2014-03-31 13:44 GMT+08:00 Alexandre Rafalovitch :
> Without digging too deep into why exactly this is happening, here are
> the ge
Hi!
I had the same issue with XML files. Even small XML files produced OOM
exception. I read that the way XMLs are parsed can sometimes blow up
memory requirements to such values that java runs out of heap. My solution
was:
1. Don't parse XML files
2. Parse only small XML files and hope for th
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