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Posted to issues@ignite.apache.org by "Ignite TC Bot (Jira)" <ji...@apache.org> on 2022/11/03 17:06:00 UTC

[jira] [Commented] (IGNITE-17723) Investigate sorting of snapshot delta pages

    [ https://issues.apache.org/jira/browse/IGNITE-17723?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17628422#comment-17628422 ] 

Ignite TC Bot commented on IGNITE-17723:
----------------------------------------

{panel:title=Branch: [pull/10360/head] Base: [master] : No blockers found!|borderStyle=dashed|borderColor=#ccc|titleBGColor=#D6F7C1}{panel}
{panel:title=Branch: [pull/10360/head] Base: [master] : New Tests (4)|borderStyle=dashed|borderColor=#ccc|titleBGColor=#D6F7C1}
{color:#00008b}Snapshots{color} [[tests 4|https://ci2.ignite.apache.org/viewLog.html?buildId=6890256]]
* {color:#013220}IgniteSnapshotTestSuite: IgniteClusterSnapshotDeltaTest.testSendDelta[encryption=true, sorted=true] - PASSED{color}
* {color:#013220}IgniteSnapshotTestSuite: IgniteClusterSnapshotDeltaTest.testSendDelta[encryption=true, sorted=false] - PASSED{color}
* {color:#013220}IgniteSnapshotTestSuite: IgniteClusterSnapshotDeltaTest.testSendDelta[encryption=false, sorted=true] - PASSED{color}
* {color:#013220}IgniteSnapshotTestSuite: IgniteClusterSnapshotDeltaTest.testSendDelta[encryption=false, sorted=false] - PASSED{color}

{panel}
[TeamCity *--&gt; Run :: All* Results|https://ci2.ignite.apache.org/viewLog.html?buildId=6890275&amp;buildTypeId=IgniteTests24Java8_RunAll]

> Investigate sorting of snapshot delta pages
> -------------------------------------------
>
>                 Key: IGNITE-17723
>                 URL: https://issues.apache.org/jira/browse/IGNITE-17723
>             Project: Ignite
>          Issue Type: Improvement
>            Reporter: Nikita Amelchev
>            Assignee: Nikita Amelchev
>            Priority: Major
>              Labels: ise
>             Fix For: 2.15
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> The snapshot manager applies delta pages to a partition in a random write manner. This leads to a high disk utilisation in a case of some hardware disks types.
> Possible solutions:
> - Limit delta applying speed separate with partitions limit.
> - Pre-sort pages.



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