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remove some not very useful update events #1486

Merged
merged 4 commits into from
Jan 8, 2020
Merged

remove some not very useful update events #1486

merged 4 commits into from
Jan 8, 2020

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weekface
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@weekface weekface commented Jan 6, 2020 •
edited by aylei
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What problem does this PR solve?

fixes: #1471
Now, there are too many SuccessfulUpdate events emitted by tidb-operator, but they are not very useful.

	// by default, allow a source to send 25 events about an object
	// but control the refill rate to 1 new event every 5 minutes
	// this helps control the long-tail of events for things that are always
	// unhealthy
	defaultSpamBurst = 25
	defaultSpamQPS   = 1. / 300.
)

record.Event method in client-go has a spamFilter which is responsible for throttling
the amount of events a source and object can produce.

So we'd better remove these not very useful SuccessfulUpdate events.

What is changed and how does it work?

Check List

Tests

  • Unit test

Code changes

  • Has Go code change

Side effects

Related changes

  • Need to cherry-pick to the release branch
  • Need to update the documentation

Does this PR introduce a user-facing change?:

Remove some not very useful update events

aylei
aylei previously approved these changes Jan 6, 2020
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LGTM

cofyc
cofyc previously approved these changes Jan 6, 2020
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LGTM

@weekface weekface dismissed stale reviews from cofyc and aylei via 169f666 January 6, 2020 05:11
cofyc
cofyc approved these changes Jan 6, 2020
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LGTM

onlymellb
onlymellb approved these changes Jan 6, 2020
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LGTM

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/merge

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sre-bot commented Jan 6, 2020

/run-all-tests

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sre-bot commented Jan 6, 2020

@weekface merge failed.

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weekface commented Jan 7, 2020

/run-all-tests

@aylei
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aylei commented Jan 8, 2020

/merge

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sre-bot commented Jan 8, 2020

/run-all-tests

@sre-bot sre-bot merged commit a561a5b into pingcap:master Jan 8, 2020
@sre-bot sre-bot mentioned this pull request Jan 8, 2020
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sre-bot commented Jan 8, 2020

cherry pick to release-1.1 in PR #1506

sre-bot added a commit that referenced this pull request Jan 8, 2020
@sre-bot
remove some not very useful update events (#1486) (#1506)
b514cb3
@weekface weekface deleted the remove-useless-update-events branch January 9, 2020 05:57
cofyc pushed a commit that referenced this pull request Jan 19, 2020
@weekface @sre-bot @cofyc
cherry-pick #1486 to release-1.0: remove some events (#1520)
27e02bd 
* remove some not very useful events

* fix CI

Co-authored-by: pingcap-github-bot <sre-bot@pingcap.com>
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@onlymellb onlymellb onlymellb approved these changes

@cofyc cofyc cofyc approved these changes

@aylei aylei aylei left review comments

@tennix tennix Awaiting requested review from tennix

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Remove some not very useful Events
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@weekface @onlymellb @sre-bot @aylei @cofyc