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 >
