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redo(ticdc): use uuid in s3 log file to avoid name conflict #5595

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merged 5 commits into from
May 27, 2022

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@amyangfei amyangfei commented May 25, 2022

What problem does this PR solve?

Issue Number: ref #5486

What is changed and how it works?

  • If multiple redo log files contain event with the same commit-ts, the file name will be conflict and lead to data loss
  • Since the unix timestamp is used as random filename and no other practical use, we simplify add a uuid into redo log file name.
  • Move github.com/pingcap/tiflow/engine/pkg/uuid package to github.com/pingcap/tiflow/pkg/uuid

Check List

Tests

  • Unit test
  • Integration test

Questions

Will it cause performance regression or break compatibility?
Do you need to update user documentation, design documentation or monitoring documentation?

Release note

Add uuid suffix to redo log file name to prevent name conflict, which may cause data loss.

@amyangfei amyangfei added type/bugfix This PR fixes a bug. component/redolog area/ticdc Issues or PRs related to TiCDC. labels May 25, 2022
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ti-chi-bot commented May 25, 2022

[REVIEW NOTIFICATION]

This pull request has been approved by:

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@ti-chi-bot ti-chi-bot added needs-cherry-pick-release-5.3 Should cherry pick this PR to release-5.3 branch. needs-cherry-pick-release-5.4 Should cherry pick this PR to release-5.4 branch. release-note Denotes a PR that will be considered when it comes time to generate release notes. needs-cherry-pick-release-6.1 Should cherry pick this PR to release-6.1 branch. size/L Denotes a PR that changes 100-499 lines, ignoring generated files. labels May 25, 2022
@amyangfei amyangfei marked this pull request as draft May 25, 2022 16:09
@ti-chi-bot ti-chi-bot added the do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. label May 25, 2022
@amyangfei amyangfei force-pushed the fix-duplicated-redo-file-name branch from cff084c to 06e0877 Compare May 26, 2022 05:51
@ti-chi-bot ti-chi-bot added size/XL Denotes a PR that changes 500-999 lines, ignoring generated files. and removed size/L Denotes a PR that changes 100-499 lines, ignoring generated files. labels May 26, 2022
@amyangfei amyangfei marked this pull request as ready for review May 26, 2022 06:19
@ti-chi-bot ti-chi-bot removed the do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. label May 26, 2022
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/run-all-tests

@amyangfei amyangfei force-pushed the fix-duplicated-redo-file-name branch from 25f4599 to 3372d3d Compare May 26, 2022 06:47
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/run-all-tests

@amyangfei amyangfei added the status/ptal Could you please take a look? label May 26, 2022
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@nongfushanquan: Thanks for your review. The bot only counts approvals from reviewers and higher roles in list, but you're still welcome to leave your comments.

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pkg/uuid/uuid.go Outdated
Comment on lines 16 to 18
import (
guuid "github.com/google/uuid"
)
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Suggested change
import (
guuid "github.com/google/uuid"
)
import guuid "github.com/google/uuid"

@ti-chi-bot ti-chi-bot added the status/LGT1 Indicates that a PR has LGTM 1. label May 27, 2022
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/run-all-tests

@ti-chi-bot ti-chi-bot added status/LGT2 Indicates that a PR has LGTM 2. and removed status/LGT1 Indicates that a PR has LGTM 1. labels May 27, 2022
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/merge

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

Commit hash: 9140a0d

@ti-chi-bot ti-chi-bot added the status/can-merge Indicates a PR has been approved by a committer. label May 27, 2022
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@amyangfei: Your PR was out of date, I have automatically updated it for you.

At the same time I will also trigger all tests for you:

/run-all-tests

If the CI test fails, you just re-trigger the test that failed and the bot will merge the PR for you after the CI passes.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the ti-community-infra/tichi repository.

@ti-chi-bot ti-chi-bot removed the status/can-merge Indicates a PR has been approved by a committer. label May 27, 2022
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/merge

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

Commit hash: f25e8b8

@ti-chi-bot ti-chi-bot added the status/can-merge Indicates a PR has been approved by a committer. label May 27, 2022
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/run-verify

@ti-chi-bot ti-chi-bot merged commit c467834 into pingcap:master May 27, 2022
ti-chi-bot pushed a commit to ti-chi-bot/tiflow that referenced this pull request May 27, 2022
Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io>
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In response to a cherrypick label: new pull request created: #5613.

@amyangfei amyangfei deleted the fix-duplicated-redo-file-name branch May 27, 2022 07:05
ti-chi-bot pushed a commit to ti-chi-bot/tiflow that referenced this pull request May 27, 2022
Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io>
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In response to a cherrypick label: new pull request created: #5614.

ti-chi-bot pushed a commit to ti-chi-bot/tiflow that referenced this pull request May 27, 2022
Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io>
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In response to a cherrypick label: new pull request created: #5615.

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