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ticdc lag is more than 10m after inject pdleader network partition to all #8808

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Lily2025 opened this issue Apr 19, 2023 · 8 comments · Fixed by #9106
Closed

ticdc lag is more than 10m after inject pdleader network partition to all #8808

Lily2025 opened this issue Apr 19, 2023 · 8 comments · Fixed by #9106
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affects-6.1 This bug affects the 6.1.x(LTS) versions. affects-6.5 This bug affects the 6.5.x(LTS) versions. affects-7.1 This bug affects the 7.1.x(LTS) versions. area/ticdc Issues or PRs related to TiCDC. severity/moderate type/bug The issue is confirmed as a bug.

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@Lily2025
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Lily2025 commented Apr 19, 2023

What did you do?

inject pdleader network partition
http://perf.pingcap.net:3000/d/WOw1JWmVk/ha-test-case-detail?orgId=1&refresh=10s&var-case_id=2731539

What did you expect to see?

ticdc lag is less than 30s
34cb2477-6bc3-4f10-8e1a-8992ea76046e

What did you see instead?

ticdc lag is more than 10m after inject pdleader network partition

Versions of the cluster

git hash:5252420517ce5497ed053aa6322fdb2a33f898e1

current status of DM cluster (execute query-status <task-name> in dmctl)

No response

@Lily2025 Lily2025 added area/dm Issues or PRs related to DM. type/bug The issue is confirmed as a bug. labels Apr 19, 2023
@Lily2025
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/remove-area dm
/area ticdc
/assign overvenus

@ti-chi-bot ti-chi-bot added area/ticdc Issues or PRs related to TiCDC. and removed area/dm Issues or PRs related to DM. labels Apr 19, 2023
@fubinzh
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fubinzh commented Apr 19, 2023

/severity major

@Lily2025 Lily2025 changed the title ticdc lag is more than 10m after inject pdleader network partition ticdc lag is more than 10m after inject pdleader network partition to all Apr 19, 2023
@VelocityLight VelocityLight added the affects-7.1 This bug affects the 7.1.x(LTS) versions. label Apr 20, 2023
@nongfushanquan
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/unassign @overvenus
/assign @asddongmen

@ti-chi-bot ti-chi-bot bot closed this as completed in #9106 Jun 1, 2023
ti-chi-bot bot pushed a commit that referenced this issue Jun 1, 2023
ti-chi-bot pushed a commit to ti-chi-bot/tiflow that referenced this issue Jun 1, 2023
ti-chi-bot bot pushed a commit that referenced this issue Jun 2, 2023
ti-chi-bot bot pushed a commit that referenced this issue Jun 30, 2023
@jebter jebter reopened this Sep 15, 2023
@fubinzh
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fubinzh commented Sep 15, 2023

This issue is seen when testing with 6.5 nightly build.
image

bash-5.1# /cdc version
Release Version: v6.5.0-nightly
Git Commit Hash: 2ab025e
Git Branch: heads/refs/tags/v6.5.0-nightly

@ti-chi-bot ti-chi-bot added the affects-7.5 This bug affects the 7.5.x(LTS) versions. label Oct 23, 2023
@asddongmen
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This issue is mitigated by #9661, so I change its severity to moderate.

@asddongmen
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img_v2_fd85ed6b-0f1c-473e-aa08-130401676f8g
img_v2_d6217e6b-78d1-452e-8d32-d7d06f844a5g

@nongfushanquan
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/remove-label affects-7.5

@ti-chi-bot ti-chi-bot bot removed the affects-7.5 This bug affects the 7.5.x(LTS) versions. label Nov 1, 2023
@asddongmen
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The daily HA test results from the past year indicate that the lag consistently remains within 1 minute. This meets our RPO goal, leading me to close this issue.

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Labels
affects-6.1 This bug affects the 6.1.x(LTS) versions. affects-6.5 This bug affects the 6.5.x(LTS) versions. affects-7.1 This bug affects the 7.1.x(LTS) versions. area/ticdc Issues or PRs related to TiCDC. severity/moderate type/bug The issue is confirmed as a bug.
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