[jira] [Updated] (IGNITE-957) Rest handlers seems to do excessive submissions of the handling logic to parallel threads

["Vladimir Ozerov (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IGNITE-957?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vladimir Ozerov updated IGNITE-957:
-----------------------------------
    Component/s:     (was: newbie)
                 clients

> Rest handlers seems to do excessive submissions of the handling logic to parallel threads
> -----------------------------------------------------------------------------------------
>
>                 Key: IGNITE-957
>                 URL: https://issues.apache.org/jira/browse/IGNITE-957
>             Project: Ignite
>          Issue Type: Bug
>          Components: clients
>            Reporter: Yakov Zhdanov
>            Assignee: Gianfranco Murador
>              Labels: newbie
>
> Lets trace execution of cache PUT command:
> # request read by HTTP or TCP server
> # then flow gets to org.apache.ignite.internal.processors.rest.GridRestProcessor#handleAsync0
> # logic is submitted to REST pool - {{org/apache/ignite/internal/processors/rest/GridRestProcessor.java:139}} - which is correct since we need to free io (nio) worker thread.
> # (THIS CAN BE REMOVED) then one more submission - system pool submission - see {{ctx.closure().callAsync()}} at {{org.apache.ignite.internal.processors.rest.handlers.cache.GridCacheCommandHandler#executeCommand(java.util.UUID, java.util.UUID, java.lang.String, boolean, java.lang.Object, org.apache.ignite.internal.processors.rest.handlers.cache.GridCacheCommandHandler.CacheProjectionCommand)}}
> So, the points are:
> # Flow of each command has to be traced and excessive submissions has to be removed
> # Changes should be tested for all protocols: HTTP and MEMCACHED. TCP is less prio since it will be dropped once client communication is ready.



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