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https://issues.apache.org/jira/browse/HBASE-6048?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
ramkrishna.s.vasudevan updated HBASE-6048:
------------------------------------------
Priority: Major (was: Critical)
My intention behind marking critical was though we have claimed it to be an
experimental feature on enabling it if scan fails then i thought its good to
have a closer look.
I will lower the priority of it. May be i will spend some time in finding out
the root cause of it and based on that we can come up with some information to
say that this feature is experimental and so and so things could be the
possible problems that one could run into.
> Table Scan is failing if offheap cache enabled
> ----------------------------------------------
>
> Key: HBASE-6048
> URL: https://issues.apache.org/jira/browse/HBASE-6048
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.94.0
> Reporter: Gopinathan A
> Assignee: ramkrishna.s.vasudevan
>
> Table Scan is failing if offheap cache enabled.
> {noformat}
> 2012-05-18 20:03:38,446 DEBUG org.apache.hadoop.hbase.io.hfile.HFileWriterV2:
> Initialized with CacheConfig:enabled [cacheDataOnRead=true]
> [cacheDataOnWrite=false] [cacheIndexesOnWrite=false]
> [cacheBloomsOnWrite=false] [cacheEvictOnClose=false] [cacheCompressed=false]
> 2012-05-18 20:03:38,446 INFO org.apache.hadoop.hbase.regionserver.StoreFile:
> Delete Family Bloom filter type for
> hdfs://10.18.40.217:9000/hbase/ufdr/1d4656fd417a07c9171a38b8f4d08510/.tmp/03742024b28f443bb63cfc338d4ca422:
> CompoundBloomFilterWriter
> 2012-05-18 20:04:25,576 DEBUG org.apache.hadoop.hbase.io.hfile.LruBlockCache:
> Block cache LRU eviction started; Attempting to free 120.57 MB of
> total=1020.57 MB
> 2012-05-18 20:04:25,655 DEBUG org.apache.hadoop.hbase.io.hfile.LruBlockCache:
> Block cache LRU eviction completed; freed=120.82 MB, total=907.89 MB,
> single=1012.11 MB, multi=6.12 MB, memory=0 KB
> 2012-05-18 20:04:25,733 ERROR
> org.apache.hadoop.hbase.regionserver.HRegionServer: Failed openScanner
> java.lang.IllegalStateException: Schema metrics requested before table/CF
> name initialization: {"tableName":"null","cfName":"null"}
> at
> org.apache.hadoop.hbase.regionserver.metrics.SchemaConfigured.getSchemaMetrics(SchemaConfigured.java:182)
> at
> org.apache.hadoop.hbase.io.hfile.LruBlockCache.updateSizeMetrics(LruBlockCache.java:310)
> at
> org.apache.hadoop.hbase.io.hfile.LruBlockCache.cacheBlock(LruBlockCache.java:274)
> at
> org.apache.hadoop.hbase.io.hfile.LruBlockCache.cacheBlock(LruBlockCache.java:293)
> at
> org.apache.hadoop.hbase.io.hfile.DoubleBlockCache.getBlock(DoubleBlockCache.java:102)
> at
> org.apache.hadoop.hbase.io.hfile.HFileReaderV2.readBlock(HFileReaderV2.java:296)
> at
> org.apache.hadoop.hbase.io.hfile.HFileBlockIndex$BlockIndexReader.seekToDataBlock(HFileBlockIndex.java:213)
> at
> org.apache.hadoop.hbase.io.hfile.HFileReaderV2$AbstractScannerV2.seekTo(HFileReaderV2.java:455)
> at
> org.apache.hadoop.hbase.io.hfile.HFileReaderV2$AbstractScannerV2.seekTo(HFileReaderV2.java:475)
> at
> org.apache.hadoop.hbase.regionserver.StoreFileScanner.seekAtOrAfter(StoreFileScanner.java:226)
> at
> org.apache.hadoop.hbase.regionserver.StoreFileScanner.seek(StoreFileScanner.java:145)
> at
> org.apache.hadoop.hbase.regionserver.StoreScanner.<init>(StoreScanner.java:130)
> at
> org.apache.hadoop.hbase.regionserver.Store.getScanner(Store.java:2001)
> at
> org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.<init>(HRegion.java:3274)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.instantiateRegionScanner(HRegion.java:1604)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.getScanner(HRegion.java:1596)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.getScanner(HRegion.java:1572)
> at
> org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:2310)
> at sun.reflect.GeneratedMethodAccessor45.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at
> org.apache.hadoop.hbase.ipc.WritableRpcEngine$Server.call(WritableRpcEngine.java:364)
> at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:1376)
> 2012-05-18 20:04:25,828 ERROR
> org.apache.hadoop.hbase.regionserver.HRegionServer: Failed openScanner
> {noformat}
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