There aren't any great general purpose out of the box ways to handle
hieararchical data in Solr. Solr isn't an rdbms.
There may be some particular advice on how to set up a particular Solr
index to answer particular questions with regard to hieararchical data.
I saw a great point made recent
3/world/europe/germany/berlin
>> >>
>> >> I need *_taxon_hierarchy to faceting and label to auto complete.
>> >>
>> >> With a RDBMs, i have 100 entry max for one taxo, but with solr and 4
>> >> million documents the redundandcy is huge, no ?
er document
> >>
> >> Damien
> >>
> >> Le 24/01/2011 10:30, Em a écrit :
> >>
> >> Hi Damien,
> >>>
> >>> why are you storing the taxonomies?
> >>> When it comes to faceting, it only depends on indexed values. If there
> >>> is
> >>> a
> >>> meaningful difference between the indexed and the stored value, I would
> >>> prefer to use an RDBMs or something like that to reduce redundancy.
> >>>
> >>> Does this help?
> >>>
> >>> Regards
> >>>
> >>
> >>
> >
> >
>
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>
re you storing the taxonomies?
>>> When it comes to faceting, it only depends on indexed values. If there
>>> is
>>> a
>>> meaningful difference between the indexed and the stored value, I would
>>> prefer to use an RDBMs or something like that to reduce redundancy.
>>>
>>> Does this help?
>>>
>>> Regards
>>>
>>
>>
>
>
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Thanks Em and Erick for your answers,
Now, i better understand functioning of Solr.
Damien
Le 24/01/2011 16:23, Erick Erickson a écrit :
First, the redundancy is certainly there, but that's what Solr does, handles
large
amounts of data. 4 million documents is actually a pretty small corpus by
First, the redundancy is certainly there, but that's what Solr does, handles
large
amounts of data. 4 million documents is actually a pretty small corpus by
Solr
standards, so you may well be able to do exactly what you propose with
acceptable performance/size. I'd advise just trying it with, say,
ntext:
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Le 24/01/2011 13:10, Em a écrit :
Hi Daniem,
ahm, the formula I wrote was no definitive guide, just some numbers I
combined to visualize the amount of data - perhaps not even a complete
formula.
Well, when you can use your taxonomy as indexed-only you do not double the
used disk space when yo
ex is much smaller than the size of the original data.
I hope what I tried to explain was easy to understand.
Regards
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Thanks Em,
How i can calculate index time, update time and space disk used by one
taxonomy ?
Le 24/01/2011 10:58, Em a écrit :
100 Entries per taxon?
Well, with Solr you got 100 taxon-entries * 4mio docs * 10 taxons.
If your indexed taxon-versions are looking okay, you could leave out the
DB-
100 Entries per taxon?
Well, with Solr you got 100 taxon-entries * 4mio docs * 10 taxons.
If your indexed taxon-versions are looking okay, you could leave out the
DB-overhead and could do everything in Solr.
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Yes, i am not obliged to store taxonomies.
My taxonomies are type of
english_taxon_label = Berlin
english_taxon_type = location
english_taxon_hierarchy = 0/world
1/world/europe
2/world/europe/germany
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My schema :
Le 24/01/2011 09:56, Em a écrit :
Hi Damien,
can you provide a schema sample plus example-data?
Since your information is really general, I think no one can give you a
situation-specific advice.
Regards
Hi Damien,
can you provide a schema sample plus example-data?
Since your information is really general, I think no one can give you a
situation-specific advice.
Regards
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Hi,
I am trying Solr and i have one question. In the schema that i set up,
there are 10 fields with always same data(hierarchical taxonomies) but
with 4 million
documents, space disk and indexing time must be big. I need this field
for auto complete. Is there another way to do this type of ope
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