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https://issues.apache.org/jira/browse/HBASE-26440?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Kyle Purtell resolved HBASE-26440.
-----------------------------------------
Fix Version/s: (was: 2.5.0)
(was: 2.6.0)
(was: 3.0.0-alpha-3)
(was: 2.4.11)
Resolution: Cannot Reproduce
Not seeing this with 2.4.9 or 2.4.10.
> Region opens sometimes fail when bucket cache is in use
> -------------------------------------------------------
>
> Key: HBASE-26440
> URL: https://issues.apache.org/jira/browse/HBASE-26440
> Project: HBase
> Issue Type: Bug
> Components: BlockCache, BucketCache, regionserver
> Affects Versions: 2.4.8
> Reporter: Andrew Kyle Purtell
> Priority: Major
>
> After a split, I think, the region is reopened, and:
> 2021-11-10 16:47:48,929 ERROR
> [RS_OPEN_REGION-regionserver/ip-172-31-63-83:8120-1] regionserver.HRegion:
> Could not initialize all stores for the
> region=IntegrationTestLoadCommonCrawl,,1636562865609.e2df2061bcdc037070041de734a187ff.
> Caused by: java.io.IOException: java.lang.RuntimeException: Cached block
> contents differ, which should not have happened.
> cacheKey:1e395fa6f0584ebc9fd831f1451dc4ba.cbb4e3a74e703805898a2a3bf0af94e7_48543272
> at
> org.apache.hadoop.hbase.regionserver.HStore.openStoreFiles(HStore.java:577)
> at
> org.apache.hadoop.hbase.regionserver.HStore.loadStoreFiles(HStore.java:534)
> at org.apache.hadoop.hbase.regionserver.HStore.<init>(HStore.java:298)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.instantiateHStore(HRegion.java:6546)
> Caused by: java.lang.RuntimeException: Cached block contents differ, which
> should not have happened.
> cacheKey:1e395fa6f0584ebc9fd831f1451dc4ba.cbb4e3a74e703805898a2a3bf0af94e7_48543272
> at
> org.apache.hadoop.hbase.io.hfile.BlockCacheUtil.validateBlockAddition(BlockCacheUtil.java:205)
> at
> org.apache.hadoop.hbase.io.hfile.BlockCacheUtil.shouldReplaceExistingCacheBlock(BlockCacheUtil.java:237)
> at
> org.apache.hadoop.hbase.io.hfile.bucket.BucketCache.shouldReplaceExistingCacheBlock(BucketCache.java:446)
> at
> org.apache.hadoop.hbase.io.hfile.bucket.BucketCache.cacheBlockWithWait(BucketCache.java:431)
> at
> org.apache.hadoop.hbase.io.hfile.bucket.BucketCache.cacheBlock(BucketCache.java:417)
> at
> org.apache.hadoop.hbase.io.hfile.CombinedBlockCache.cacheBlock(CombinedBlockCache.java:64)
> at
> org.apache.hadoop.hbase.io.hfile.HFileReaderImpl.lambda$readBlock$2(HFileReaderImpl.java:1346)
> The open fails but another attempt somewhere else succeeds.
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