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From "Aleksey Plekhanov (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (IGNITE-11685) Java thin client: Handle multiple async requests in parallel
Date Fri, 12 Jul 2019 13:10:00 GMT

    [ https://issues.apache.org/jira/browse/IGNITE-11685?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16883794#comment-16883794

Aleksey Plekhanov commented on IGNITE-11685:

[~Pavlukhin], [~isapego] thanks for the review.

I've done benchmarks, there is about 2% performance drop in the single thread mode in the
worst case (in-memory atomic cache, single localhost server node without network delays),
but I see no ways how to get rid of any added synchronizators or data-structures and still
preserve async mode and thread-safety. Perhaps, if we will really need this 2% for some corner
case in the future we can add a new parameter to the configuration (sync or async mode).

Merged to master.

> Java thin client: Handle multiple async requests in parallel
> ------------------------------------------------------------
>                 Key: IGNITE-11685
>                 URL: https://issues.apache.org/jira/browse/IGNITE-11685
>             Project: Ignite
>          Issue Type: Improvement
>          Components: thin client
>            Reporter: Aleksey Plekhanov
>            Assignee: Aleksey Plekhanov
>            Priority: Major
>              Labels: iep-34
>          Time Spent: 4h 20m
>  Remaining Estimate: 0h
> In the current implementation {{ReliableChannel}} uses an exclusive lock to send a request
and waits for response synchronously. In this implementation, there are no benefits of using
multiple threads. To improve throughput and latency we can implement async request/response
processing on the client side, since the server side is already async.

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