Re: IO exception during merge/optimize

2009-10-24 Thread Peter Keegan
btw, this is with Lucene 2.9 On Sat, Oct 24, 2009 at 5:20 PM, Peter Keegan wrote: > I'm sometimes seeing the following exception from an operation that does a > merge and optimize: > java.io.IOException: background merge hit exception: _0:C1082866 _1:C79 > into _2 [optimize] [mergeDocStores] > I

IO exception during merge/optimize

2009-10-24 Thread Peter Keegan
I'm sometimes seeing the following exception from an operation that does a merge and optimize: java.io.IOException: background merge hit exception: _0:C1082866 _1:C79 into _2 [optimize] [mergeDocStores] I'm pretty sure that it's caused by a temporary low disk space condition, but I'd like to be ab

Re: help needed improving lucene concurret search performance

2009-10-24 Thread Wilson Wu
-- Forwarded message -- From: Wilson Wu Date: 2009/10/24 Subject: Re: help needed improving lucene concurret search performance To: java-user@lucene.apache.org Hi,      Thanks a lot for your reply. There are 4 processors in my system.      I am not sure that 100 threads is going

Re: help needed improving lucene concurret search performance

2009-10-24 Thread Wilson Wu
Hi, Thanks a lot for your reply. There are 4 processors in my system. I am not sure that 100 threads is going to be 10 times slower than 10 threads .Because all the threads don't run serial but parallel. I think when there are 100 customers accessing my system,100 http connections will