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https://issues.apache.org/jira/browse/HBASE-5024?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13667695#comment-13667695
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samar commented on HBASE-5024:
------------------------------
Hope i got it right
in class HRegionServer
if (cacheConfig.isBlockCacheEnabled()) {
cacheConfig.getBlockCache().shutdown();
}
LruBlockCache.shutdown has
{
...
this.evictionThread.shutdown();
}
which should shutdown the eviction thread.
> A thread named LruBlockCache.EvictionThread remains after the shutdown of a
> cluster
> -----------------------------------------------------------------------------------
>
> Key: HBASE-5024
> URL: https://issues.apache.org/jira/browse/HBASE-5024
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.94.0
> Reporter: Nicolas Liochon
> Priority: Minor
>
> There is no cleanup function in hbase.io.hfile.CacheConfig. The cache is a
> singleton, shared by all cluster if we launch more than one cluster on a test.
> Related code is:
> {noformat}
> /**
> * Static reference to the block cache, or null if no caching should be used
> * at all.
> */
> private static BlockCache globalBlockCache;
> /** Boolean whether we have disabled the block cache entirely. */
> private static boolean blockCacheDisabled = false;
> /**
> * Returns the block cache or <code>null</code> in case none should be used.
> *
> * @param conf The current configuration.
> * @return The block cache or <code>null</code>.
> */
> private static synchronized BlockCache instantiateBlockCache(){
> // initiate globalBlockCache
> {noformat}
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