version 0.94.0, r8547 And the table is ivytest_deu.
在 2012-10-16，下午3:58，"Ramkrishna.S.Vasudevan" <[email protected]> 写道： > Which version of HBase? > > > The below logs that you have attached says about a different table right ' > deu_ivytest,,1348826121781.985d6ca9986d7d8cfaf82daf523fcd45.' > And the one you are trying to drop is ' ivytest_deu’ > > Regards > Ram > > > >> -----Original Message----- >> From: 唐 颖 [mailto:[email protected]] >> Sent: Tuesday, October 16, 2012 1:23 PM >> To: [email protected] >> Subject: hbase can't drop a table >> >> I disable this table ivytest_deu , drop it .Error occurs. >> >> >> ERROR: java.io.IOException: java.io.IOException: HTableDescriptor >> missing for ivytest_deu >> at >> org.apache.hadoop.hbase.master.handler.TableEventHandler.getTableDescri >> ptor(TableEventHandler.java:174) >> at >> org.apache.hadoop.hbase.master.handler.DeleteTableHandler.<init>(Delete >> TableHandler.java:44) >> at >> org.apache.hadoop.hbase.master.HMaster.deleteTable(HMaster.java:1143) >> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >> at >> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.ja >> va:39) >> at >> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccesso >> rImpl.java:25) >> at java.lang.reflect.Method.invoke(Method.java:597) >> at >> org.apache.hadoop.hbase.ipc.WritableRpcEngine$Server.call(WritableRpcEn >> gine.java:364) >> at >> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:13 >> 76) >> >> Here is some help for this command: >> Drop the named table. Table must first be disabled. If table has >> more than one region, run a major compaction on .META.: >> >> hbase> major_compact ".META." >> >> The major_compact ".META." doesn't work. >> Then i try to create it ,but HBase says it . >> >> ERROR: Table already exists: ivytest_deu! >> >> After checking the region server log , the region server is always >> trying to load this region. >> >> 2012-10-16 00:00:00,308 INFO >> org.apache.hadoop.hbase.regionserver.HRegionServer: Received request to >> open region: >> deu_ivytest,,1348826121781.985d6ca9986d7d8cfaf82daf523fcd45. >> 2012-10-16 00:00:00,313 WARN >> org.apache.hadoop.hbase.util.FSTableDescriptors: The following folder >> is in HBase's root directory and doesn't contain a table descriptor, do >> consider deleting it: deu_ivytest >> 2012-10-16 00:00:00,358 DEBUG >> org.apache.hadoop.hbase.regionserver.HRegion: Opening region: {NAME => >> 'deu_ivytest,,1348826121781.985d6ca9986d7d8cfaf82daf523fcd45.', >> STARTKEY => '', ENDKEY => '', ENCODED => >> 985d6ca9986d7d8cfaf82daf523fcd45,} >> 2012-10-16 00:00:00,358 DEBUG >> org.apache.hadoop.hbase.regionserver.HRegion: Registered protocol >> handler: >> region=deu_ivytest,,1348826121781.985d6ca9986d7d8cfaf82daf523fcd45. >> protocol=com.xingcloud.adhocprocessor.hbase.coprocessor.DEUColumnAggreg >> ationProtocol >> 2012-10-16 00:00:00,358 ERROR >> org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler: Failed >> open of >> region=deu_ivytest,,1348826121781.985d6ca9986d7d8cfaf82daf523fcd45., >> starting to roll back the global memstore size. >> 2012-10-16 00:00:00,358 INFO >> org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler: Opening >> of region {NAME => >> 'deu_ivytest,,1348826121781.985d6ca9986d7d8cfaf82daf523fcd45.', >> STARTKEY => '', ENDKEY => '', ENCODED => >> 985d6ca9986d7d8cfaf82daf523fcd45,} failed, marking as FAILED_OPEN in ZK >> >> And we have a endpoint in base .After the base tried to load this table >> ivy test_deu for 90,000 times ,the endpoint class also has been loaded >> for 90,000 times. >> The jvm memory has been filled. >> The gcutil shows >> S0C S1C S0U S1U EC EU OC OU PC >> PU YGC YGCT FGC FGCT GCT >> 34880.0 34880.0 34648.1 0.0 209472.0 209472.0 2792768.0 2792768.0 >> 71072.0 41461.5 129770 3448.191 24598 28469.996 31918.187 >> 34880.0 34880.0 34648.1 0.0 209472.0 209472.0 2792768.0 2792768.0 >> 71072.0 41461.5 129770 3448.191 24598 28469.996 31918.187 >> 34880.0 34880.0 34648.1 0.0 209472.0 209472.0 2792768.0 2792768.0 >> 71072.0 41461.5 129770 3448.191 24598 28469.996 31918.187 >> 34880.0 34880.0 34648.1 0.0 209472.0 209472.0 2792768.0 2792768.0 >> 71072.0 41461.5 129770 3448.191 24598 28469.996 31918.187 >> 34880.0 34880.0 34880.0 0.0 209472.0 209472.0 2792768.0 2792768.0 >> 71072.0 41461.5 129770 3448.191 24600 28481.974 31930.165 >> 34880.0 34880.0 34880.0 0.0 209472.0 209472.0 2792768.0 2792768.0 >> 71072.0 41461.5 129770 3448.191 24600 28481.974 31930.165 >> >> The jmap dump file shows >> >> 3982039 instances of class org.apache.hadoop.hbase.KeyValue >> 191050 instances of class org.apache.hadoop.fs.Path >> 187364 instances of class >> org.cliffc.high_scale_lib.ConcurrentAutoTable$CAT >> 187301 instances of class org.cliffc.high_scale_lib.Counter >> 102272 instances of class net.sf.ehcache.concurrent.ReadWriteLockSync >> 93652 instances of class org.apache.hadoop.hbase.HRegionInfo >> 93650 instances of class >> com.google.common.collect.MutableClassToInstanceMap >> 93650 instances of class DEUColumnAggregationEndpoint >> >> DEUColumnAggregationEndpoint is our endpoint class. >> >> We guess the 90,000 times check this table and load endpoint class >> leads this memory leak. >> >> But how to drop this table? >> >> >> >> >> >> >> >> > >
