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From Simone Tripodi <simonetrip...@apache.org>
Subject Re: The problem about jackrabbit,please help.
Date Thu, 20 Dec 2012 11:23:35 GMT
Ni Hao Ouyangshu,

I suggest you to post the question to the user@ ML in order to get
more chances of a helpful reply, since dev@ is where Jackrabbit
developers discuss about Jackrabbit development.

HTH, zai jihan!
-Simo

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On Thu, Dec 20, 2012 at 10:12 AM, Ouyangshu <ouyangshu@huawei.com> wrote:
> Hello, all
>
>
>
> We are research jackrabbit 2.5.2, then we find some problems on cluster need
> your help.
>
>
>
> 1)       Jackrabbit use lucene for metadata search, but it cannot support
> distributed queries, then the cluster need synchronize the index file of
> lucene to each node of cluster. The index file for each node is the whole
> data, so the performance for search will more and more slowly. (we have over
> 30 million records)
>
> 2)       When we search the records which doc_state=’1’ with 1 million
> records one node, the service will hang. The search sql like this:
>
> SELECT *
>
> FROM [nt:unstructured] AS s
>
> WHERE ISDESCENDANTNODE(s, [/root]) and  doc_state='1'
>
>
>
> 3)       If we remove the lucene in jackrabbit, change the key-value mode,
> to use the CRUD mode and relational tables of database to replace them. Does
> this method feasible? Does the architecture of jackrabbit be damaged if we
> do this?
>
>
>
>      Please help us to give some explanation, Thanks for your help.
>
>
>
> Ouyangshu
>
> Huawei Technologies Co., Ltd.
>
> Mobile: 18682182895
>
> Email: ouyangshu@huawei.com
>
> Address: Huawei Industrial Base,Bantian Longgang,ShenZhen,P.R.China
>
> www.huawei.com
>
>

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