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Posted to issues@trafficserver.apache.org by GitBox <gi...@apache.org> on 2022/09/09 10:37:08 UTC

[GitHub] [trafficserver] jvgutierrez commented on issue #9028: metrics discrepancies after updating to ATS 9.1.2 from 8.0.8

jvgutierrez commented on issue #9028:
URL: https://github.com/apache/trafficserver/issues/9028#issuecomment-1241804328

   I think I've found an explanation for this.
   
   ATS 9.1.x reports `:%<{TS_MILESTONE_CACHE_OPEN_READ_END-TS_MILESTONE_CACHE_OPEN_READ_BEGIN}msdms>` and `%<{TS_MILESTONE_CACHE_OPEN_WRITE_END-TS_MILESTONE_CACHE_OPEN_WRITE_BEGIN}msdms>` as `-1` more often than ATS 8.x. This added to the fact that we failed to track requests with any of those two milestones set to -1 (fixed in https://github.com/wikimedia/puppet/commit/e42685e53307ec9ffe2f6fcbd2044bf90fef4b0a) triggered the issue.


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