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Posted to dev@lucene.apache.org by "Uwe Schindler (Issue Comment Edited) (JIRA)" <ji...@apache.org> on 2011/11/22 17:34:40 UTC
[jira] [Issue Comment Edited] (LUCENE-3586) Choose a specific
Directory implementation running the CheckIndex main
[ https://issues.apache.org/jira/browse/LUCENE-3586?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13155235#comment-13155235 ]
Uwe Schindler edited comment on LUCENE-3586 at 11/22/11 4:33 PM:
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About the issue at all:
we should maybe have this parameter to all command line tools (e.g. IndexUpgrader,...). It would be good to have some general command line parser for those comand line tools that work on indexes, so we don't have the same/similar code several times.
For me much more interesting is the problem you have with MMAP? Whats you Java VM / Lucene version and what's your complete command line to CheckIndex? How big is the index? What architecture are you using and which OS? Changing the chunk size is not needed in most cases, if it needs to we need complete configuration details to optimize auto detection.
was (Author: thetaphi):
About the issue at all:
we should maybe have this parameter to all command line tools (e.g. IndexUpgrader,...). It would be good to have some general command line parser for those comand line tools that work on indexes, so we don't have the same/similar code several times.
For me much more interesting is the problem you have with MMAP? Whats you Java VM / Lucene version and what's your complete command line to CheckIndex? What architecture are you using and which OS? Changing the chunk size is not needed in most cases, if it needs to we need complete configuration details to optimize auto detection.
> Choose a specific Directory implementation running the CheckIndex main
> ----------------------------------------------------------------------
>
> Key: LUCENE-3586
> URL: https://issues.apache.org/jira/browse/LUCENE-3586
> Project: Lucene - Java
> Issue Type: Improvement
> Reporter: Luca Cavanna
> Assignee: Luca Cavanna
> Priority: Minor
>
> It should be possible to choose a specific Directory implementation to use during the CheckIndex process when we run it from its main.
> What about an additional main parameter?
> In fact, I'm experiencing some problems with MMapDirectory working with a big segment, and after some failed attempts playing with maxChunkSize, I decided to switch to another FSDirectory implementation but I needed to do that on my own main.
> Should we also consider to use a FileSwitchDirectory?
> I'm willing to contribute, could you please let me know your thoughts about it?
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