I am sharding my index database and as i move on to different database, the
memory acquired by the writer is not released and shortly the app is crashed
due to out of memory.
During indexing a particular folder, i want the RAM buffer set to 50MB,
thereafter i should do only deletions and the RAM buffer should be set to
10MB or even less 5MB. I need to someway release the memory hold by the
writer. I am refreshing my searcher often. I need to keep open all my
writers to do deletion.
writer.setRamBufferSizeMB(50)
.....
writer.setRamBufferSizeMB(5) //Whether this call will reset the buffer. OR
closing and opening writer will reset the buffer
Please let me know, is there any other way?
Regards
Ganesh
----- Original Message -----
From: "Michael McCandless" <luc...@mikemccandless.com>
To: <java-user@lucene.apache.org>
Sent: Thursday, January 08, 2009 6:44 PM
Subject: Re: Writer memory released after flush
Opening a writer should be a very fast operation, but closing may be
costly since that does a commit() to make the changes permanent in the IO
system.
Still... if you don't need to refresh your searchers you may want to just
leave the writers open, but perhaps lower the RAM buffer if you don't
have enough memory dedicated to the JRE?
Mike
Ganesh wrote:
Whether it will be a good idea to open writer only when required.
Whether opening writer will take some time as like searcher? Whether
to initialize writer will take some time?
Regards
Ganesh
----- Original Message ----- From: "Michael McCandless"
<luc...@mikemccandless.com
>
To: <java-user@lucene.apache.org>
Sent: Thursday, January 08, 2009 3:52 PM
Subject: Re: Writer memory released after flush
IndexWriter holds onto the memory & recycles it. It's best to close
the writer if you need to release the memory.
Mike
Ganesh wrote:
I am maintaing multiple indexes and all writers will be opened. Based
on some criteria, the document is added to a particular index. I am
using 50 MB of RAM buffer size. Whether the buffer will be released
once flush or optinization done or the writer will maintain the
memory and recyle it.
Regards
Ganesh
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