Mike Drob created SOLR-10104:
--------------------------------
Summary: 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
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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