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https://issues.apache.org/jira/browse/HBASE-6143?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13723465#comment-13723465
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Vladimir Rodionov commented on HBASE-6143:
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OK, this is probably not the right place but :
{code}
requestsPerSecond=0, numberOfOnlineRegions=398, numberOfStores=415,
numberOfStorefiles=135, storefileIndexSizeMB=1, rootIndexSizeKB=1865,
totalStaticIndexSizeKB=25208, totalStaticBloomSizeKB=30481, memstoreSizeMB=0,
mbInMemoryWithoutWAL=0, numberOfPutsWithoutWAL=0, readRequestsCount=0,
writeRequestsCount=0, compactionQueueSize=0, flushQueueSize=0, usedHeapMB=118,
maxHeapMB=5987, blockCacheSizeMB=12.28, blockCacheFreeMB=1484.53,
blockCacheCount=0, blockCacheHitCount=0, blockCacheMissCount=0,
blockCacheEvictedCount=0, blockCacheHitRatio=0%, blockCacheHitCachingRatio=0%,
hdfsBlocksLocalityIndex=24, slowHLogAppendCount=0,
fsReadLatencyHistogramMean=0.00, fsReadLatencyHistogramCount=0.00,
fsReadLatencyHistogramMedian=0.00, fsReadLatencyHistogram75th=0.00,
fsReadLatencyHistogram95th=0.00, fsReadLatencyHistogram99th=0.00,
fsReadLatencyHistogram999th=0.00, fsPreadLatencyHistogramMean=0.00,
fsPreadLatencyHistogramCount=0.00, fsPreadLatencyHistogramMedian=0.00,
fsPreadLatencyHistogram75th=0.00, fsPreadLatencyHistogram95th=0.00,
fsPreadLatencyHistogram99th=0.00, fsPreadLatencyHistogram999th=0.00,
fsWriteLatencyHistogramMean=0.00, fsWriteLatencyHistogramCount=0.00,
fsWriteLatencyHistogramMedian=0.00, fsWriteLatencyHistogram75th=0.00,
fsWriteLatencyHistogram95th=0.00, fsWriteLatencyHistogram99th=0.00,
fsWriteLatencyHistogram999th=0.00
{code}
I do have very low hdfsBlocksLocalityIndex (< 25) on ALL RS in my cluster. I
restarted cluster several times but the locality is still very poor. It seems
that smart algorithm of region assignments is not 100% correct?
0.94.6
> Make region assignment smarter when regions are re-enabled.
> -----------------------------------------------------------
>
> Key: HBASE-6143
> URL: https://issues.apache.org/jira/browse/HBASE-6143
> Project: HBase
> Issue Type: Improvement
> Reporter: Elliott Clark
> Assignee: Ted Yu
> Priority: Critical
> Fix For: 0.95.2
>
> Attachments: 6143-v1.txt, 6143-v2.txt, 6143-v3.txt,
> HBASE-6143-0.patch, HBASE-6143-1.patch
>
>
> Right now a random region server is picked when re-enabling a table. This
> could be much smarter.
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