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https://issues.apache.org/jira/browse/SOLR-10104?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15866196#comment-15866196
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ASF subversion and git services commented on SOLR-10104:
--------------------------------------------------------
Commit 7f77f71201250c143c0438d5bb34a59ee964d41b in lucene-solr's branch
refs/heads/branch_6x from markrmiller
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=7f77f71 ]
SOLR-10104: BlockDirectoryCache release hooks do not work with multiple
directories.
> BlockDirectoryCache release hooks do not work with multiple directories
> -----------------------------------------------------------------------
>
> Key: SOLR-10104
> URL: https://issues.apache.org/jira/browse/SOLR-10104
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: hdfs
> Affects Versions: 6.4
> Reporter: Mike Drob
> Assignee: Mark Miller
>
> https://github.com/apache/lucene-solr/blob/5738c293f0c3f346b3e3e52c937183060d59cba1/solr/core/src/java/org/apache/solr/store/blockcache/BlockDirectoryCache.java#L53
> {code}
> if (releaseBlocks) {
> keysToRelease = Collections.newSetFromMap(new
> ConcurrentHashMap<BlockCacheKey,Boolean>(1024, 0.75f, 512));
> blockCache.setOnRelease(new OnRelease() {
>
> @Override
> public void release(BlockCacheKey key) {
> keysToRelease.remove(key);
> }
> });
> }
> {code}
> If we're using the global block cache option and create multiple directories
> using the same factory, we will lose the release hook for the first
> directory. I think we can verify that by creating a server with multiple
> cores.
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