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domain: add a config to control updating stats #10772

Merged
merged 5 commits into from
Jun 19, 2019
Merged

domain: add a config to control updating stats #10772

merged 5 commits into from
Jun 19, 2019

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alivxxx
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@alivxxx alivxxx commented Jun 11, 2019 •
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What problem does this PR solve?

We need to disable the updating of stats while still can load the stats.

What is changed and how it works?

Add a bool config update-stats to control the updating stats.

StatsLease EnableUpdateStats Effects
0 0 disable stats
0 1 disable stats
1 0 only load stats
1 1 load stats and update stats

Check List

Tests

  • Manual test (add detailed scripts or steps below)
    Change update-stats to false, the log still shows ["init stats info time"] ["take time"=2.834524ms] but there is no stats update anymore.

Code changes

  • Has exported function/method change

Side effects

  • None

Related changes

  • Need to be included in the release note

@alivxxx alivxxx added type/enhancement The issue or PR belongs to an enhancement. component/statistics labels Jun 11, 2019
XuHuaiyu
XuHuaiyu reviewed Jun 11, 2019
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  1. s/UpdateStats/EnableUpdateStats
  2. We need more description for:
StatsLease UpdateStats
0 0
0 1
1 0
1 1

@alivxxx alivxxx requested a review from XuHuaiyu June 12, 2019 04:37
XuHuaiyu
XuHuaiyu reviewed Jun 12, 2019
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LGTM

@XuHuaiyu XuHuaiyu added the status/LGT1 Indicates that a PR has LGTM 1. label Jun 12, 2019
winoros
winoros reviewed Jun 12, 2019
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@alivxxx alivxxx requested a review from winoros June 12, 2019 08:46
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alivxxx commented Jun 12, 2019

/run-all-tests tidb-test=release-2.1 tidb-private-test=release-2.1 tikv=release-2.1

zz-jason
zz-jason approved these changes Jun 19, 2019
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LGTM

@zz-jason zz-jason added status/LGT2 Indicates that a PR has LGTM 2. priority/release-blocker This issue blocks a release. Please solve it ASAP. and removed status/LGT1 Indicates that a PR has LGTM 1. labels Jun 19, 2019
@zz-jason zz-jason merged commit daa2a08 into pingcap:release-2.1 Jun 19, 2019
@alivxxx alivxxx deleted the update-stats branch June 19, 2019 04:54
@alivxxx alivxxx mentioned this pull request Jun 27, 2019
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@XuHuaiyu XuHuaiyu XuHuaiyu left review comments

@zz-jason zz-jason zz-jason approved these changes

@winoros winoros Awaiting requested review from winoros

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4 participants
@alivxxx @zz-jason @winoros @XuHuaiyu