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From Otis Gospodnetic <>
Subject Re: IO bandwidth throttling
Date Tue, 02 Aug 2005 20:08:47 GMT
While not exactly what you are describing, you can use one of the
IndexWriter parameters (maxBufferedDocs) to control the size of the
RAMDirectory that's used as a buffer during indexing.


--- Gopikrishnan Subramani <> wrote:

> Hello,
> Is there a way I can control the IO bandwidth utilized by Lucene? 
> Here is my scenario. RAMDirectory is used to build a in-memory index
> and finally the index size approaches a limit, the contents are
> flushed to a FSDirectory. The index size could be approximately 512
> MB. I'm a bit concerned that this might affect other NFS clients of
> the same NFS server, even if it's for a short period. To avoid this I
> would like to implement some sort of limit on the amount of data
> transferred to the filesystem akin to the --bwlimit with the rsync
> command.
> Thanks,
> Gopi
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