[infinispan-dev] Distributed queries

[Michael Neale]

Ah ! hence my confusion... excellent - thanks for clearing that up.

#2 is relevant to a user I was talking with the other day (but #1 is
of more immediate interest) - nice that they are complimentary. I will
see how I can help out Navin soon re #1.

On Thu, Sep 17, 2009 at 6:32 PM, Sanne Grinovero
<sanne.grinovero at gmail.com> wrote:
> 2009/9/17 Michael Neale <michael.neale at gmail.com>:
>> I am still not entirely sure what I am asking, but look forward for
>> your merged in changes (they are in another branch right now yes?).
>>
>> Yes I mean querying objects - I was under the impression that lucene
>> was used for the indexing of the data to service these queries?
>
> Sure, to clarify: there's work going on on two different aspects, which
> complement each other in the ideal setup:
>
> 1) Be able to query a Lucene index (wherever you store that) to find objects
> which are located inside Infinispan; this is about how to search them and how
> to maintain the index in synch with Infinispan's content.
>
> 2) Store a Lucene index inside Infinispan, instead of, for example, filesystem.
> In this case we're not concerned about what you index, the Lucene interface
> is the usual one and you should be able to replace the Directory
> implementation in existing applications.
>
> So 1) is the branch you've found, and Navin is working on that, 2) is not yet
> in subversion, the latest patch is attached to other thread by Łukasz,
> and is to be applied
> on Hibernate Search's trunk (and depends on Infinispan).
>
>>
>> On Wed, Sep 16, 2009 at 10:32 PM, Navin Surtani <nsurtani at redhat.com> wrote:
>>>
>>> On 16 Sep 2009, at 12:25, Michael Neale wrote:
>>>
>>>> oh ok nice - could you point me at which branch to try to find some
>>>> tests to play with?
>>>
>>> If you're talking about Querying objects in Infinispan: -
>>>
>>> The eventual goal is to be able to have different configurations on
>>> how you want to index your data. Manik has given me the 'OK' to push a
>>> simple query interface for CR1 for Monday/Tuesday.
>>>
>>> I'm kind-of pressed with getting the code working for this and also
>>> between moving house and lack of internet there I'll be a bit quiet.
>>> However, I'll get a wiki up by the end of the week about how this all
>>> works.
>>>
>>> However if you're not then I assume you're talking about using Lucene
>>> to index into Infinispan?
>>>
>>>>
>>>> On Wed, Sep 16, 2009 at 6:05 PM, Sanne Grinovero
>>>> <sanne.grinovero at gmail.com> wrote:
>>>>> 2009/9/16 Michael Neale <michael.neale at gmail.com>:
>>>>>> regarding indexing and queries - is the current aim to not require
>>>>>> that the index for the entire data grid exist on a single node?
>>>>>>
>>>>>> (asking as a potential user who is wrestling with lucene indexes at
>>>>>> the moment is curious).
>>>>>
>>>>> Yes the concept is to store the Lucene index itself in the grid, so
>>>>> it will
>>>>> be distributed, and the segments you use most get cached locally.
>>>>> At the moment you have to select only one node to write to the index,
>>>>> but all other nodes should be able to read.
>>>>> Feel free to test it as we are needing feedback.
>>>>>
>>>>>>
>>>>>> --
>>>>>> Michael D Neale
>>>>>> home: www.michaelneale.net
>>>>>> blog: michaelneale.blogspot.com
>>>>>> _______________________________________________
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>>>>>> https://lists.jboss.org/mailman/listinfo/infinispan-dev
>>>>>>
>>>>> _______________________________________________
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>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Michael D Neale
>>>> home: www.michaelneale.net
>>>> blog: michaelneale.blogspot.com
>>>> _______________________________________________
>>>> infinispan-dev mailing list
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>>>> https://lists.jboss.org/mailman/listinfo/infinispan-dev
>>>
>>> Navin Surtani
>>>
>>> Intern Infinispan
>>> Intern JBoss Cache Searchable
>>>
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>>> https://lists.jboss.org/mailman/listinfo/infinispan-dev
>>>
>>
>>
>>
>> --
>> Michael D Neale
>> home: www.michaelneale.net
>> blog: michaelneale.blogspot.com
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>>
>
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-- 
Michael D Neale
home: www.michaelneale.net
blog: michaelneale.blogspot.com