Ok that looks "fine", did the region server die under heavy load by any chance? Or was it big scans? Or just normal load?
J-D On Mon, Apr 11, 2011 at 5:50 PM, 陈加俊 <[email protected]> wrote: > my configuration is follows: > <property> > <name>hbase.client.write.buffer</name> > <value>2097152</value> > <description> > 1024*1024*2=2097152 > </description> > </property> > <property> > <name>hbase.hstore.blockingStoreFiles</name> > <value>14</value> > </property> > <property> > <name>hbase.hregion.memstore.block.multiplier</name> > <value>2</value> > </property> > <property> > <name>hbase.regionserver.handler.count</name> > <value>30</value> > </property> > <property> > <name>zookeeper.session.timeout</name> > <value>90000</value> > </property> > <property> > <name>hbase.zookeeper.property.tickTime</name> > <value>9000</value> > </property> > <property> > <name>hbase.hregion.max.filesize</name> > <value>1073741824</value> > <description> > Maximum HStoreFile size. If any one of a column families' > HStoreFiles has grown to exceed this value, > the hosting HRegion is split in two. Default: 256M. > 1024*1024*1024=1073741824 (1G) > </description> > </property> > > On Tue, Apr 12, 2011 at 8:43 AM, Jean-Daniel Cryans <[email protected]> > wrote: >> >> And where will they go? The issue isn't the number of regions per say, >> it's the amount of data being served by that region server. Also I >> still don't know if that's really your issue or it's a configuration >> issue (which I have yet to see). >> >> J-D >> >> On Mon, Apr 11, 2011 at 5:41 PM, 陈加俊 <[email protected]> wrote: >> > Can I limit the numbers of regions on one RegionServer ? >> > >> > On Tue, Apr 12, 2011 at 8:37 AM, Jean-Daniel Cryans >> > <[email protected]>wrote: >> > >> >> It's really a lot yes, but it could also be weird configurations or >> >> too big values. >> >> >> >> J-D >> >> >> >> On Mon, Apr 11, 2011 at 5:35 PM, 陈加俊 <[email protected]> wrote: >> >> > Is it too many regions ? Is the memory enough ? >> >> > HBase-0.20.6 >> >> > >> >> > 2011-04-12 00:16:31,844 FATAL >> >> > org.apache.hadoop.hbase.regionserver.HRegionServer: OutOfMemoryError, >> >> > aborting. >> >> > java.lang.OutOfMemoryError: Java heap space >> >> > at >> >> java.io.BufferedInputStream.<init>(BufferedInputStream.java:178) >> >> > at >> >> > >> >> >> >> org.apache.hadoop.hdfs.DFSClient$BlockReader.newBlockReader(DFSClient.java:1380) >> >> > at >> >> > >> >> >> >> org.apache.hadoop.hdfs.DFSClient$DFSInputStream.blockSeekTo(DFSClient.java:1648) >> >> > at >> >> > >> >> > org.apache.hadoop.hdfs.DFSClient$DFSInputStream.read(DFSClient.java:1767) >> >> > at java.io.DataInputStream.readFully(DataInputStream.java:178) >> >> > at java.io.DataInputStream.readFully(DataInputStream.java:152) >> >> > at >> >> > >> >> >> >> org.apache.hadoop.hbase.io.hfile.HFile$FixedFileTrailer.deserialize(HFile.java:1368) >> >> > at >> >> > >> >> > org.apache.hadoop.hbase.io.hfile.HFile$Reader.readTrailer(HFile.java:848) >> >> > at >> >> > >> >> >> >> org.apache.hadoop.hbase.io.hfile.HFile$Reader.loadFileInfo(HFile.java:793) >> >> > at >> >> > >> >> > org.apache.hadoop.hbase.regionserver.StoreFile.open(StoreFile.java:273) >> >> > at >> >> > >> >> > org.apache.hadoop.hbase.regionserver.StoreFile.<init>(StoreFile.java:129) >> >> > at >> >> > >> >> > org.apache.hadoop.hbase.regionserver.Store.loadStoreFiles(Store.java:410) >> >> > at >> >> org.apache.hadoop.hbase.regionserver.Store.<init>(Store.java:221) >> >> > at >> >> > >> >> >> >> org.apache.hadoop.hbase.regionserver.HRegion.instantiateHStore(HRegion.java:1636) >> >> > at >> >> > >> >> > org.apache.hadoop.hbase.regionserver.HRegion.initialize(HRegion.java:321) >> >> > at >> >> > >> >> >> >> org.apache.hadoop.hbase.regionserver.HRegionServer.instantiateRegion(HRegionServer.java:1566) >> >> > at >> >> > >> >> >> >> org.apache.hadoop.hbase.regionserver.HRegionServer.openRegion(HRegionServer.java:1533) >> >> > at >> >> > >> >> >> >> org.apache.hadoop.hbase.regionserver.HRegionServer$Worker.run(HRegionServer.java:1453) >> >> > at java.lang.Thread.run(Thread.java:619) >> >> > 2011-04-12 00:16:31,847 INFO >> >> > org.apache.hadoop.hbase.regionserver.HRegionServer: Dump of metrics: >> >> > request=0.0, regions=1624, stores=3075, storefiles=2526, >> >> > storefileIndexSize=374, memstoreSize=339, compactionQueueSize=0, >> >> > usedHeap=3990, maxHeap=3991, blockCacheSize=706107016, >> >> > blockCacheFree=131010552, blockCacheCount=10631, >> >> > blockCacheHitRatio=58, >> >> > fsReadLatency=0, fsWriteLatency=0, fsSyncLatency=0 >> >> > 2011-04-12 00:16:31,848 INFO >> >> > org.apache.hadoop.hbase.regionserver.HRegionServer: worker thread >> >> > exiting >> >> > >> >> > >> >> > -- >> >> > Thanks & Best regards >> >> > jiajun >> >> > >> >> >> > >> > >> > >> > -- >> > Thanks & Best regards >> > jiajun >> > > > > > -- > Thanks & Best regards > jiajun > >
