[jira] [Commented] (IGNITE-18823) Lack of page read time metric

["Ignite TC Bot (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/IGNITE-18823?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17691175#comment-17691175 ] 

Ignite TC Bot commented on IGNITE-18823:
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{panel:title=Branch: [pull/10545/head] Base: [master] : No blockers found!|borderStyle=dashed|borderColor=#ccc|titleBGColor=#D6F7C1}{panel}
{panel:title=Branch: [pull/10545/head] Base: [master] : New Tests (4)|borderStyle=dashed|borderColor=#ccc|titleBGColor=#D6F7C1}
{color:#00008b}Disk Page Compressions 1{color} [[tests 2|https://ci2.ignite.apache.org/viewLog.html?buildId=7053016]]
* {color:#013220}IgnitePdsCompressionTestSuite: IgnitePdsDataRegionMetricsTxTest.testReadMetrics - PASSED{color}
* {color:#013220}IgnitePdsCompressionTestSuite: IgnitePdsDataRegionMetricsTest.testReadMetrics - PASSED{color}

{color:#00008b}PDS 1{color} [[tests 2|https://ci2.ignite.apache.org/viewLog.html?buildId=7053032]]
* {color:#013220}IgnitePdsTestSuite: IgnitePdsDataRegionMetricsTxTest.testReadMetrics - PASSED{color}
* {color:#013220}IgnitePdsTestSuite: IgnitePdsDataRegionMetricsTest.testReadMetrics - PASSED{color}

{panel}
[TeamCity *--> Run :: All* Results|https://ci2.ignite.apache.org/viewLog.html?buildId=7052796&buildTypeId=IgniteTests24Java8_RunAll]

> Lack of page read time metric
> -----------------------------
>
>                 Key: IGNITE-18823
>                 URL: https://issues.apache.org/jira/browse/IGNITE-18823
>             Project: Ignite
>          Issue Type: Improvement
>            Reporter: Aleksey Plekhanov
>            Assignee: Aleksey Plekhanov
>            Priority: Major
>              Labels: ise
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Currently we have metric for count of pages read, but don't have a metric for page read time. Time metric could be useful for detecting some hardware level problems. 
> For page write we have checkpoint metrics (total pages written, write duration, fsync duration).  
> Also page read can be caused by page replacement. Page replacement also can consume some time (depends on algorithm used) and it coulld be useful to add this metric too.  



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