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From "Alexei Scherbakov (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IGNITE-3220) I/O bottleneck on server/client cluster configuration.
Date Tue, 31 May 2016 09:58:13 GMT
Alexei Scherbakov created IGNITE-3220:
-----------------------------------------

             Summary: I/O bottleneck on server/client cluster configuration.
                 Key: IGNITE-3220
                 URL: https://issues.apache.org/jira/browse/IGNITE-3220
             Project: Ignite
          Issue Type: Bug
          Components: clients
            Reporter: Alexei Scherbakov
            Priority: Minor
             Fix For: 1.7


Where is an I/O bottleneck if a client tries to perform many
transactions involving puts and gets in a highly concurrent manner using socket transport
to a single server node deployed on powerful multicore computer.
In what case throughput dramatically decreases (up to 30 times in comparison with running
test in single JVM) because everything is delayed by server I/O thread.

Current workaround for such scenario is using more clients (or servers).
We should add configuration parameter such maxConnectionsPerClient, allowing client to connect
to server using several simultaneous connections decreasing I/O bottleneck.



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