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From "Josh Elser (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ACCUMULO-3477) Evaluate use of TThreadedSelectorServer
Date Tue, 13 Jan 2015 21:23:34 GMT
Josh Elser created ACCUMULO-3477:
------------------------------------

             Summary: Evaluate use of TThreadedSelectorServer
                 Key: ACCUMULO-3477
                 URL: https://issues.apache.org/jira/browse/ACCUMULO-3477
             Project: Accumulo
          Issue Type: New Feature
          Components: master, tserver
            Reporter: Josh Elser
            Assignee: Josh Elser
             Fix For: 1.7.0


I re-read https://github.com/m1ch1/mapkeeper/wiki/Thrift-Java-Servers-Compared today, specifically
the section on thshaserver vs tthreadedselectorserver.

{quote}
TThreadedSelectorServer performs better than THsHaServer when the network io is the bottleneck
{quote}

This made me think that in read-heavy environments, we may benefit from using the TThreadedSelectorServer
instead of the THsHaServer. I know from previous experiments that we can spend a significant
amount of time for a query just sending bytes over the wire from server(s) to a client. Improving
this case may have benefit.

Like THsHaServer, TThreadedSelectorServer relies on the TFramedTransport, so this is only
relevant for non-SSL and non-SASL cases.



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