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etcd_worker: batch etcd patch (#3277) #3393

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@ti-chi-bot ti-chi-bot commented Nov 11, 2021

This is an automated cherry-pick of #3277

This PR include #3867 #3757 #3681.

close #3867
close #3757

What problem does this PR solve?

This PR is an improvement to the issue's(#3112 ) fix.

What is changed and how it works?

  1. Batch as many changefeed patches as possible into a batch and submit them as an etcd transaction, which can reduce the etcd qps.
    2. Get the response from etcd watchCh as much as possible to reduce the number of etcd worker tick reactor.
  2. Add metrics for some key points in EtcdWorker.

Check List

Tests

  • Unit test

Side effects

  • Possible performance regression
  • Increased code complexity

Related changes

  • Need to cherry-pick to the release branch

Release note

Please add a release note.
If you don't think this PR needs a release note then fill it with `None`.

Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io>
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[REVIEW NOTIFICATION]

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After your PR has acquired the required number of LGTMs, you can assign this pull request to the committer in the list by filling /assign @committer in the comment to help you merge this pull request.

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@ti-chi-bot ti-chi-bot added release-note Denotes a PR that will be considered when it comes time to generate release notes. do-not-merge/cherry-pick-not-approved area/ticdc Issues or PRs related to TiCDC. component/replica-model Replication model component. size/XXL Denotes a PR that changes 1000+ lines, ignoring generated files. status/LGT2 Indicates that a PR has LGTM 2. subject/performance Denotes an issue or pull request is related to replication performance. type/cherry-pick-for-release-5.2 This PR is cherry-picked to release-5.2 from a source PR. labels Nov 11, 2021
@ti-chi-bot ti-chi-bot added the needs-rebase Indicates a PR cannot be merged because it has merge conflicts with HEAD. label Dec 11, 2021
asddongmen and others added 6 commits December 20, 2021 13:23
…3277-to-release-5.2

# Conflicts:
#	cdc/metrics.go
#	metrics/grafana/ticdc.json
#	pkg/orchestrator/etcd_worker.go
Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io>
@ti-chi-bot ti-chi-bot removed the needs-rebase Indicates a PR cannot be merged because it has merge conflicts with HEAD. label Dec 20, 2021
@nongfushanquan nongfushanquan added cherry-pick-approved Cherry pick PR approved by release team. and removed do-not-merge/cherry-pick-not-approved labels Dec 20, 2021
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Codecov Report

❗ No coverage uploaded for pull request base (release-5.2@3a46657). Click here to learn what that means.
The diff coverage is n/a.

@@               Coverage Diff                @@
##             release-5.2      #3393   +/-   ##
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  Coverage               ?   54.3699%           
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  Files                  ?        196           
  Lines                  ?      21705           
  Branches               ?          0           
================================================
  Hits                   ?      11801           
  Misses                 ?       8800           
  Partials               ?       1104           

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/merge

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This pull request has been accepted and is ready to merge.

Commit hash: 4a488aa

@ti-chi-bot ti-chi-bot added the status/can-merge Indicates a PR has been approved by a committer. label Dec 20, 2021
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/run-kafka-integration-tests

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/merge

@ti-chi-bot ti-chi-bot merged commit bf40837 into pingcap:release-5.2 Dec 20, 2021
3AceShowHand pushed a commit to ti-chi-bot/tiflow that referenced this pull request Jan 13, 2022
overvenus pushed a commit that referenced this pull request Jan 18, 2022
* fix the txn_batch_size metric inaccuracy bug when the sink target is MQ

* address comments

* add comments for exported functions

* fix the compiling problem

* workerpool: limit the rate to output deadlock warning (#3775) (#3799)

* metrics: add changefeed checkepoint catch-up ETA (#3300) (#3311)

* pkg,cdc: do not use log package (#3902) (#3939)

* *: rename repo from pingcap/ticdc to pingcap/tiflow (#3957)

* kvclient(ticdc): fix kvclient takes too long time to recover (#3612) (#3662)

* tz (ticdc): fix timezone error (#3887) (#3910)

* http_*: add log for http api and refine the err handle logic (#2997) (#3306)

* ticdc/alert: add no owner alert rule (#3809) (#3831)

* etcd_worker: batch etcd patch (#3277) (#3393)

* ticdc/owner: Fix ddl special comment syntax error (#3845) (#3977)

* Clean old owner and old processor in release 5.2 branch (#4019)

* tests(ticdc): set up the sync diff output directory correctly (#3725) (#3745)

* owner,scheduler(cdc): fix nil pointer panic in owner scheduler (#2980) (#4007) (#4015)

* config(ticdc): Fix old value configuration check for maxwell protocol (#3747) (#3782)

* ticdc/processor: Fix backoff base delay misconfiguration (#3992) (#4027)

* sink(ticdc): cherry pick sink bug fix to release 5.2 (#4083) (#4119)

* metrics(ticdc): add resolved ts and add changefeed to dataflow (#4038) (#4103)

* kv(ticdc): reduce eventfeed rate limited log (#4072) (#4110)

close #4006

* This is an automated cherry-pick of #4192

Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io>

* http_api (ticdc): fix http api 'get processor' panic. (#4117) (#4122)

close #3840

* cdc/sink: adjust kafka initialization logic (#3192) (#3568)

* This is an automated cherry-pick of #3192

Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io>

* fix conflicts.

* This is an automated cherry-pick of #3682

Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io>

* fix import.

* fix failpoint path.

* try to fix initialize.

* remove table_sink.

* remove initialization.

* remove owner.

* fix mq.

Co-authored-by: Ling Jin <7138436+3AceShowHand@users.noreply.github.com>
Co-authored-by: 3AceShowHand <jinl1037@hotmail.com>

* sink (ticdc): fix a deadlock due to checkpointTs fall back in sinkNode (#4084) (#4098)

close #4055

* This is an automated cherry-pick of #4192

Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io>

* fix conflicts.

* fix conflicts.

* fix conflicts.

Co-authored-by: zhaoxinyu <zhaoxinyu512@gmail.com>
Co-authored-by: amyangfei <yangfei@pingcap.com>
Co-authored-by: dongmen <20351731+asddongmen@users.noreply.github.com>
Co-authored-by: Ling Jin <7138436+3AceShowHand@users.noreply.github.com>
Co-authored-by: 3AceShowHand <jinl1037@hotmail.com>
@purelind purelind added this to the v5.2.4 milestone Apr 18, 2022
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area/ticdc Issues or PRs related to TiCDC. cherry-pick-approved Cherry pick PR approved by release team. component/replica-model Replication model component. release-note Denotes a PR that will be considered when it comes time to generate release notes. size/XXL Denotes a PR that changes 1000+ lines, ignoring generated files. status/can-merge Indicates a PR has been approved by a committer. status/LGT2 Indicates that a PR has LGTM 2. subject/performance Denotes an issue or pull request is related to replication performance. type/cherry-pick-for-release-5.2 This PR is cherry-picked to release-5.2 from a source PR.
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