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https://issues.apache.org/jira/browse/IGNITE-10493?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16704784#comment-16704784
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Maxim Muzafarov commented on IGNITE-10493:
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Hello, Pavel!
I think we should extend our JMX metrics (for instance, create a new Bean) and
allow external tools to collect and aggregate these metrics regarding to
exchange stages.
WDYT? Will it be a good idea?
> Refactor exchange stages time measurements
> ------------------------------------------
>
> Key: IGNITE-10493
> URL: https://issues.apache.org/jira/browse/IGNITE-10493
> Project: Ignite
> Issue Type: Improvement
> Components: cache
> Affects Versions: 2.7
> Reporter: Pavel Kovalenko
> Priority: Major
> Fix For: 2.8
>
>
> At the current implementation, we don't cover and measure all possible code
> executions that influence on PME time. Instead of it we just measure the
> hottest separate parts with the following hardcoded pattern:
> {noformat}
> long time = currentTime();
> ... // some code block
> print ("Stage name performed in " + (currentTime() - time));
> {noformat}
> This approach can be improved. Instead of declaring time variable and print
> the message to log immediately we can introduce a utility class (TimesBag)
> that will hold all stages and their times. The content of TimesBag can be
> printed when the exchange future is done.
> As exchange is a linear process that executes init stage by exchange-worker
> and finish stage by one of the sys thread we can easily cover all exchange
> code base by time cutoffs.
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