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https://issues.apache.org/jira/browse/IGNITE-12351?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16972179#comment-16972179
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Dmitriy Govorukhin commented on IGNITE-12351:
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[~vmalinovskiy] IgniteSpiCheckpointSelfTestSuite is not good place to store 
CheckCheckpointStartLoggingTest, beacuse IgniteSpiCheckpoint* is not a database 
checkpoint. Please move CheckCheckpointStartLoggingTest to some PDS suite.

> Append additional cp tracking activity - pages sort.
> ----------------------------------------------------
>
>                 Key: IGNITE-12351
>                 URL: https://issues.apache.org/jira/browse/IGNITE-12351
>             Project: Ignite
>          Issue Type: Bug
>            Reporter: Vladimir Malinovskiy
>            Assignee: Vladimir Malinovskiy
>            Priority: Major
>          Time Spent: 50m
>  Remaining Estimate: 0h
>
> CheckpointMetricsTracker has no info about _splitAndSortCpPagesIfNeeded_ 
> stage, thus in case of huge number of dirty pages someone can observe in log:
> 10:08:00 checkpoint started
> 10:10:00 checkpoint finished
> <--- ?? 
> 10:10:20 checkpoint started
> if checkpointFrequency = 30000 and all tracker durations: beforeLockDuration, 
> lockWaitDuration gives no clue what kind of work (20 sec) Checkpointer thread 
> is waiting for.
> Additionally (hope this is not big deal) need t obe fixed redundant 
> effectivePageId computation cause FullPageId already has effectivePageId info.
>  
> {{return Long.compare(PageIdUtils.effectivePageId(o1.pageId()),
>                         PageIdUtils.effectivePageId(o2.pageId()));}}
> writeCheckpointEntr() duration should also be logged.
>  
>  



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