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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (IGNITE-4374) Ignite should validate JVM and OS configuration and output warning in log
Date Mon, 09 Jan 2017 16:56:59 GMT

    [ https://issues.apache.org/jira/browse/IGNITE-4374?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15812241#comment-15812241
] 

ASF GitHub Bot commented on IGNITE-4374:
----------------------------------------

GitHub user daradurvs opened a pull request:

    https://github.com/apache/ignite/pull/1408

    IGNITE-4374

    Check of "Basic JVM Configuration" added.
    Link to the tuning article added.
    https://apacheignite.readme.io/docs/jvm-and-system-tuning

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/daradurvs/ignite ignite-4374

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/ignite/pull/1408.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #1408
    
----
commit 9cbce4fff70b7ac6a0b23bd8884e6c1f4bfb0f9c
Author: daradurvs <daradurvs@gmail.com>
Date:   2016-12-28T09:02:27Z

    ignite-4374: add link to article about performance tuning

commit 2387f3fec5c3b82c82f1bd686704c778e0e4535d
Author: daradurvs <daradurvs@gmail.com>
Date:   2017-01-09T15:26:30Z

    ignite-4374: check of Basic JVM Configuration added

commit bc193741acd368bdfcd1221e3506c347eb9739c4
Author: daradurvs <daradurvs@gmail.com>
Date:   2017-01-09T15:55:32Z

    ignite-4374: rename GridPerformanceSuggestions to ConfigurationSuggestions

commit b22aa1c4e2ffc374e4bb084217c549aba7e4eb7f
Author: daradurvs <daradurvs@gmail.com>
Date:   2017-01-09T16:33:15Z

    ignite-4374: JvmPerformanceSuggestions simplified

----


> Ignite should validate JVM and OS configuration and output warning in log
> -------------------------------------------------------------------------
>
>                 Key: IGNITE-4374
>                 URL: https://issues.apache.org/jira/browse/IGNITE-4374
>             Project: Ignite
>          Issue Type: Improvement
>          Components: documentation
>            Reporter: Yakov Zhdanov
>            Assignee: Vyacheslav Daradur
>
> Currently we have GridPerformanceSuggestions that output suggestions to logs on Ignite
start on how Ignite can be improved.
> I suggest to go a little bit deeper and validate more configuration options and add validation
for JVM and OS settings.
> Ignite should output warning if:
> * GC logging is not enabled
> * MaxDirectMemorySize is not set (-XX:MaxDirectMemorySize)
> * Heap size is greater than 30,5G and JVM cannot use compressed oops
> * Any of the recommended OS setting described here https://apacheignite.readme.io/docs/jvm-and-system-tuning
are not properly set 



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