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Posted to dev@hbase.apache.org by "Jean-Daniel Cryans (JIRA)" <ji...@apache.org> on 2013/08/23 00:53:52 UTC
[jira] [Created] (HBASE-9312) Lower StochasticLoadBalancer's
default max run time
Jean-Daniel Cryans created HBASE-9312:
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Summary: Lower StochasticLoadBalancer's default max run time
Key: HBASE-9312
URL: https://issues.apache.org/jira/browse/HBASE-9312
Project: HBase
Issue Type: Bug
Affects Versions: 0.95.2
Reporter: Jean-Daniel Cryans
Assignee: Elliott Clark
Fix For: 0.98.0, 0.96.0
Three things about the 1 minute it takes to decide if we want to balance or not:
- 1 minute is also the default socket timeout, so if you call "balancer" in the shell you often get a SocketTimeoutException back. Bad user experience.
- Elliott was telling me that we might not even need 1 minute to compute a good balance anyways because of other improvements. I tested 30 seconds on a badly balanced cluster and it worked well.
- I personally think that 1 minute is too much time (Elliott disagrees).
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