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Posted to dev@hbase.apache.org by "Nicolas Liochon (JIRA)" <ji...@apache.org> on 2013/11/04 19:05:18 UTC
[jira] [Created] (HBASE-9887) Optimize client pause & back-off time
Nicolas Liochon created HBASE-9887:
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Summary: Optimize client pause & back-off time
Key: HBASE-9887
URL: https://issues.apache.org/jira/browse/HBASE-9887
Project: HBase
Issue Type: Brainstorming
Components: Client
Affects Versions: 0.96.0, 0.98.0
Reporter: Nicolas Liochon
Priority: Minor
The client can log all the retries, with this setting
{noformat}
<property>
<name>hbase.client.start.log.errors.counter</name>
<value>0</value>
</property>
{noformat}
We should use it to fix the pause time, as well as the back off.
I need to to a complete test, but on 100m, with the default config, I saw something like
5% of the first retry were successful
5% of ALL the retries between 2 and 6 were successful
90% of the retries between 7 and 9 were successful
So on this (too small) sample, the retries between 2 and 6 are nearly useless.
I will do a more complete test as well.
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