Enis Soztutar created HBASE-8119:
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Summary: StochasticLoadBalancer does not take into account per
table balance
Key: HBASE-8119
URL: https://issues.apache.org/jira/browse/HBASE-8119
Project: HBase
Issue Type: Bug
Components: Region Assignment
Affects Versions: 0.98.0
Reporter: Enis Soztutar
Fix For: 0.95.0
On a 5 node trunk cluster, I ran into a weird problem with
StochasticLoadBalancer:
server1 Thu Mar 14 03:42:50 UTC 2013 0.0 33
server2 Thu Mar 14 03:47:53 UTC 2013 0.0 34
server3 Thu Mar 14 03:46:53 UTC 2013 465.0 42
server4 Thu Mar 14 03:47:53 UTC 2013 11455.0 282
server5 Thu Mar 14 03:47:53 UTC 2013 0.0 34
Total:5 11920 425
Notice that server4 has 282 regions, while the others have much less. Plus for
one table with 260 regions has been super imbalanced:
{code}
Regions by Region Server
Region Server Region Count
http://server3:60030/ 10
http://server4:60030/ 250
{code}
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