Hi all,
I am using hbase-0.19.1 and hadoop-0.19.
My cluster have 5+1 nodes, and there are about 512 regions in HBase (256MB
per region).
But I found the blocks in HDFS is very unbalanced. Following is the status
from HDFS web GUI.
(Node: I don't know if this mailing list can display html!)
HDFS blocks:
node1 509036 blocks
node2 157937 blocks
node3 15783 blocks
node4 15117 blocks
node5 20158 blocks
But my HBase regions are very balanced.
node1 88 regions
node2 108 regions
node3 111 regions
node4 102 regions
node5 105 regions
NodeLast
ContactAdmin StateConfigured
Capacity (GB)Used
(GB)Non DFS
Used (GB)Remaining
(GB)Used
(%)Used
(%)Remaining
(%)Blocksnd1-rack0-cloud<http://nd1-rack0-cloud:50075/browseDirectory.jsp?namenodeInfoPort=50070&dir=%2F>
0In Service822.8578.6743.28200.8670.3324.41509036nd2-rack0-cloud<http://nd2-rack0-cloud:50075/browseDirectory.jsp?namenodeInfoPort=50070&dir=%2F>
0In Service822.8190.0242.96589.8223.0971.68157937nd3-rack0-cloud<http://nd3-rack0-cloud:50075/browseDirectory.jsp?namenodeInfoPort=50070&dir=%2F>
0In Service822.851.9542.61728.246.3188.5115783nd4-rack0-cloud<http://nd4-rack0-cloud:50075/browseDirectory.jsp?namenodeInfoPort=50070&dir=%2F>
6In Service822.846.1942.84733.775.6189.1815117nd5-rack0-cloud<http://nd5-rack0-cloud:50075/browseDirectory.jsp?namenodeInfoPort=50070&dir=%2F>
1In Service1215.6152.3762.911100.324.3190.5220158
But my HBase regions are very balanced.
AddressStart CodeLoadnd1-rack0-cloud:60020 <http://nd1-rack0-cloud:60030/>
1237967027050requests=383, regions=88, usedHeap=978, maxHeap=1991
nd2-rack0-cloud:60020 <http://nd2-rack0-cloud:60030/>1237788871362requests=422,
regions=108, usedHeap=1433,
maxHeap=1991nd3-rack0-cloud:60020<http://nd3-rack0-cloud:60030/>
1237788881667requests=962, regions=111, usedHeap=1534, maxHeap=1991
nd4-rack0-cloud:60020 <http://nd4-rack0-cloud:60030/>1237788859541requests=369,
regions=102, usedHeap=1059,
maxHeap=1991nd5-rack0-cloud:60020<http://nd5-rack0-cloud:60030/>
1237788899331requests=384, regions=105, usedHeap=1535,
maxHeap=1983Total:servers:
5 requests=2520, regions=514
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