log-backup: restore meta kv with batch method

[joccau]

Signed-off-by: joccau [email protected]

What problem does this PR solve?

Issue Number: close #37111

Problem Summary:

• Failed to restore index after PiTR to down-stream cluster.
• The current reason for this issue is that the same meta KV appears multiple times and is overwritten by the old KV record after restoring to the latest tableInfo.

What is changed and how it works?

Set a lots of batch kv files and sort and restore these kv entries in batch files.

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

Manual test

• reproduce the test in log-backup: failed to restore index using PiTR #37111
• The result after PiTR with old code
  MySQL [(none)]> show create table test.sbtest43; | sbtest43 | CREATE TABLEsbtest43(idint(11) NOT NULL AUTO_INCREMENT,kint(11) NOT NULL DEFAULT '0',cchar(120) NOT NULL DEFAULT '',pad char(60) NOT NULL DEFAULT '', PRIMARY KEY (id) /*T![clustered_index] CLUSTERED */ ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin AUTO_INCREMENT=1019915 |
• The result after PiTR with modified code
  MySQL [(none)]> show create table test.sbtest43; | sbtest43 | CREATE TABLEsbtest43(idint(11) NOT NULL AUTO_INCREMENT,kint(11) NOT NULL DEFAULT '0',cchar(120) NOT NULL DEFAULT '',pad char(60) NOT NULL DEFAULT '', PRIMARY KEY (id) /*T![clustered_index] CLUSTERED */, KEY k_43 (k) ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin AUTO_INCREMENT=1019915 |

The Key K-43(``) has been restored in above test.

Side effects

• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Breaking backward compatibility

Documentation

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Changes MySQL compatibility

Release note

Please refer to Release Notes Language Style Guide to write a quality release note.

None

[ti-chi-bot]

[REVIEW NOTIFICATION]

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• 3pointer
• Leavrth

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[ti-chi-bot]

@joccau: The label(s) wip cannot be applied. These labels are supported: challenge-program, compatibility-breaker, first-time-contributor, contribution, require-LGT3, good first issue, correctness, duplicate, proposal, security, needs-more-info, needs-cherry-pick-4.0, needs-cherry-pick-5.0, needs-cherry-pick-5.1, needs-cherry-pick-5.2, needs-cherry-pick-5.3, needs-cherry-pick-5.4, needs-cherry-pick-6.0, needs-cherry-pick-6.1, needs-cherry-pick-6.2, affects-4.0, affects-5.0, affects-5.1, affects-5.2, affects-5.3, affects-5.4, affects-6.0, affects-6.1, affects-6.2, may-affects-4.0, may-affects-5.0, may-affects-5.1, may-affects-5.2, may-affects-5.3, may-affects-5.4, may-affects-6.0, may-affects-6.1, may-affects-6.2.

In response to this:

/label WIP

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[sre-bot]

Code Coverage Details: https://codecov.io/github/pingcap/tidb/commit/48461beccd28a51538225562824fb18b2db91536

[hawkingrei]

/run-all-tests

[hawkingrei]

/run-all-tests

[joccau]

/cc @YuJuncen PTAL

[ti-chi-bot]

@joccau: GitHub didn't allow me to request PR reviews from the following users: PTAL.

Note that only pingcap members and repo collaborators can review this PR, and authors cannot review their own PRs.

In response to this:

/cc @YuJuncen PTAL

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[3pointer]

LGTM

[joccau]

/merge

[ti-chi-bot]

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

Commit hash: a438eb0

[sre-bot]

TiDB MergeCI notify

🔴 Bad News! New failing [1] after this pr merged.
These new failed integration tests seem to be caused by the current PR, please try to fix these new failed integration tests, thanks!

CI Name	Result	Duration	Compare with Parent commit
idc-jenkins-ci/integration-cdc-test	🟥	31 min	New failing
idc-jenkins-ci-tidb/common-test	🟢 all 11 tests passed	13 min	Existing passed
idc-jenkins-ci-tidb/integration-common-test	🟢 all 17 tests passed	13 min	Existing passed
idc-jenkins-ci-tidb/tics-test	🟢 all 1 tests passed	7 min 3 sec	Existing passed
idc-jenkins-ci-tidb/integration-ddl-test	🟢 all 6 tests passed	6 min 38 sec	Existing passed
idc-jenkins-ci-tidb/sqllogic-test-2	🟢 all 28 tests passed	6 min 12 sec	Existing passed
idc-jenkins-ci-tidb/sqllogic-test-1	🟢 all 26 tests passed	6 min 2 sec	Existing passed
idc-jenkins-ci-tidb/mybatis-test	🟢 all 1 tests passed	3 min 22 sec	Existing passed
idc-jenkins-ci-tidb/integration-compatibility-test	🟢 all 1 tests passed	2 min 46 sec	Existing passed
idc-jenkins-ci-tidb/plugin-test	🟢 build success, plugin test success	4min	Existing passed

[ti-srebot]

cherry pick to release-6.2 in PR #37139