chunhui shen created HBASE-7136:
-----------------------------------
Summary: SchemaMetrics make SlabCache unavailable
Key: HBASE-7136
URL: https://issues.apache.org/jira/browse/HBASE-7136
Project: HBase
Issue Type: Bug
Affects Versions: 0.94.2
Reporter: chunhui shen
Assignee: chunhui shen
ERROR org.apache.hadoop.hbase.regionserver.HRegionServer:
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.getBlockFromCache(HFileReaderV2.java:266)
at
org.apache.hadoop.hbase.io.hfile.HFileReaderV2.readBlock(HFileReaderV2.java:348)
at
org.apache.hadoop.hbase.io.hfile.HFileReaderV2$AbstractScannerV2.readNextDataBlock(HFileReaderV2.java:587)
at
org.apache.hadoop.hbase.io.hfile.HFileReaderV2$EncodedScannerV2.next(HFileReaderV2.java:996)
at
org.apache.hadoop.hbase.regionserver.StoreFileScanner.seekAtOrAfter(StoreFileScanner.java:233)
at
org.apache.hadoop.hbase.regionserver.StoreFileScanner.seek(StoreFileScanner.java:145)
at
org.apache.hadoop.hbase.regionserver.StoreFileScanner.enforceSeek(StoreFileScanner.java:351)
at
org.apache.hadoop.hbase.regionserver.KeyValueHeap.pollRealKV(KeyValueHeap.java:333)
at
org.apache.hadoop.hbase.regionserver.KeyValueHeap.generalizedSeek(KeyValueHeap.java:291)
When we put the hfile block to SlabCache, it will drop the SchemaMetrics,
howerver, if we cache this block to LruBlockCache, it will throw above
exception
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