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https://issues.apache.org/jira/browse/TS-1632?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13619309#comment-13619309
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ASF subversion and git services commented on TS-1632:
-----------------------------------------------------
Commit 727fbf717e2eee6becdcdd1c675d5218074d1536 in branch refs/heads/master
from [~zwoop]
[ https://git-wip-us.apache.org/repos/asf?p=trafficserver.git;h=727fbf7 ]
Added TS-1632.
> RecDecrRawStat does not seem to work as intended
> ------------------------------------------------
>
> Key: TS-1632
> URL: https://issues.apache.org/jira/browse/TS-1632
> Project: Traffic Server
> Issue Type: Bug
> Components: Stats
> Reporter: Yakov Kopel
> Assignee: Leif Hedstrom
> Fix For: 3.3.2
>
> Attachments: dec_stats_sol_1.diff, dec_stats_sol_2.diff
>
>
> In the RecDecrRawStat function (in I_RecProcess.h) there is a patch that
> doesn't let the sum value to go beneath the zero value.
> This can cause to a problem because the sum variable is per net-thread.
> When the increase is done in one net-thread and the decrease is done in
> another net-thread - the result will be 1 instead of 0.
> First solution:
> remove that patch
> The problem with the First Solution:
> If the TS-1631 fix will be in. When the TS will reset the stats, it can
> cause to not positive values in the sum. this ca be when the reset is done
> between an increase and decrease.
> Second solution:
> remove that patch
> add a patch on the global sum (RecProcess.cc) and not for each net-thread
> The problem with the First Solution:
> It is similar to the problem with the first solution. The different is
> that it won't show not negative values, but it can show lower value than the
> real one.
> anyone can think on a good solution?
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