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Type: Bug
Resolution: Won't Fix
Priority: Critical
Fix Version/s: None
Affects Version/s: 6.0.0
Component/s: couchbase-bucket
Labels:
- ephemeral-bucket
- performance
Environment:
ares cluster, weekly perf test

Triage:
Untriaged
Operating System:
Centos 64-bit
Is this a Regression?:
Yes

Description

The ejection rate dropped from 120K to 88K after following change (build 6.0.0-1650):

kv_engine changed from 90eadc1556511a7f35118d45890070bd53df67b1 to alice [+] 69082c1 MB-31175: Ephemeral HTTombstonePurger underflows age check
http://review.couchbase.org/#/c/99744/

Test:
http://perf.jenkins.couchbase.com/job/ares/8670/console

Logs:

https://s3-us-west-2.amazonaws.com/perf-artifacts/jenkins-ares-8670/172.23.133.11.zip
https://s3-us-west-2.amazonaws.com/perf-artifacts/jenkins-ares-8670/172.23.133.12.zip
https://s3-us-west-2.amazonaws.com/perf-artifacts/jenkins-ares-8670/172.23.133.13.zip
https://s3-us-west-2.amazonaws.com/perf-artifacts/jenkins-ares-8670/172.23.133.14.zip

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Screen Shot 2018-09-26 at 9.51.01 AM.png
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26/Sep/18 9:51 AM

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Assignee:: Alex Gyryk (Inactive)

Reporter:: Alex Gyryk (Inactive)

Votes:: 0 Vote for this issue

Watchers:: 5 Start watching this issue

Dates

Created:: 26/Sep/18 9:56 AM

Updated:: 04/Jan/19 10:20 AM

Resolved:: 04/Jan/19 2:06 AM

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50% drop of Ephemeral bucket ejection rate (nru eviction)

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