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Posted to issues@lucene.apache.org by "Michael Sokolov (Jira)" <ji...@apache.org> on 2021/01/07 13:10:01 UTC
[jira] [Reopened] (LUCENE-5862) Old segments not deleted on merge
[ https://issues.apache.org/jira/browse/LUCENE-5862?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Michael Sokolov reopened LUCENE-5862:
-------------------------------------
re-opening in order to change resolution status
> Old segments not deleted on merge
> ---------------------------------
>
> Key: LUCENE-5862
> URL: https://issues.apache.org/jira/browse/LUCENE-5862
> Project: Lucene - Core
> Issue Type: Bug
> Affects Versions: 4.9
> Environment: Linux bigindy5 3.14.1-1.el6.elrepo.x86_64 #1 SMP Mon Apr 14 19:29:19 EDT 2014 x86_64 x86_64 x86_64 GNU/Linux
> java version "1.7.0_55"
> Java(TM) SE Runtime Environment (build 1.7.0_55-b13)
> Java HotSpot(TM) 64-Bit Server VM (build 24.55-b03, mixed mode)
> [root@bigindy5 s5_0]# cat /etc/redhat-release
> CentOS release 6.5 (Final)
> Reporter: Shawn Heisey
> Priority: Major
> Fix For: 4.10, 6.0
>
> Attachments: LUCENE-5862-infostreams.zip
>
>
> After a full rebuild with the dataimport handler on a Solr install upgraded to Solr 4.9.0, I ended up with an index that was considerably larger than the one it replaced (built by 4.7.2), 28GB instead of 20GB. I also upgraded a third-party component at the same time, to a version which has been tested with Solr 4.9.0. The config didn't change at all. Optimizing the index did not shrink it.
> At first I thought there must have been something different about the way the new version worked, or possibly a change/bug in the third-party component.
> After looking deeper, I discovered that the optimization process had created one segment that was 20GB in size, but there were also a number of other segments on the disk, all of which were several hours older than the large segment. Another optimize created a new segment of 20GB, and the previous segment of 20GB was deleted, but the older segments remained.
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