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http://issues.apache.org/bugzilla/show_bug.cgi?id=30421 Merging indexes leads to out-of-memory condition ------- Additional Comments From [EMAIL PROTECTED] 2004-07-31 16:23 ------- >>> You: You said 'any size'. Are you saying that if you have 2 indices with 10 documents each, and you try to merge them, you will run out of memory? >>> Me: should read an indexes "of size." I didn't use the words small, medium, or large because this is relative. The merge operation fails on what I consider to be small indexes. Yes, 2 x 10 works fine. But 20 x 5GB (read small) fails every time. I just had one fail again this morning. >>> You: Have you tried giving your JVM more memory with -Xmx (e.g. java -Xmx777m)? >>> Me: Yes my message states that I have worked with larger VMs than this. Suffice it to say, any developer trying to allocate ever increasing blocks of memory to perform a merge is playing a losing game. Without investigating the internals, one can speculate that memory-based merge operations need to be shifted to disk. >>> You: Can you provide a working, self-enclosed code that shows this? I included a code sample with my post. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
