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RestartReplication RPC #18628

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Merged
timvaillancourt merged 2 commits into from
Oct 3, 2025
Merged

RestartReplication RPC #18628

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5220051
rpc RestartReplication
shlomi-noach Sep 9, 2025
4945499
changelog summary
shlomi-noach Sep 9, 2025
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5 changes: 5 additions & 0 deletions changelog/23.0/23.0.0/summary.md
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Expand Up @@ -17,6 +17,7 @@
- [Dynamic control of `EmergencyReparentShard`-based recoveries](#vtorc-dynamic-ers-disabled)
- [Recovery stats to include keyspace/shard](#recoveries-stats-keyspace-shard)
- **[VTTablet](#minor-changes-vttablet)**
- [API Changes](#api-changes)
- [CLI Flags](#flags-vttablet)
- [Managed MySQL configuration defaults to caching-sha2-password](#mysql-caching-sha2-password)
- [MySQL timezone environment propagation](#mysql-timezone-env)
Expand Down Expand Up @@ -101,6 +102,10 @@ Previous to this release, only the recovery "type" was included in labels.

### <a id="minor-changes-vttablet"/>VTTablet</a>

#### <a id="api-changes"/>API Changes</a>

- Added `RestartReplication` method to `TabletManagerClient` interface. This new RPC allows stopping and restarting MySQL replication with semi-sync configuration in a single call, providing a convenient alternative to separate `StopReplication` and `StartReplication` calls.

#### <a id="flags-vttablet"/>CLI Flags</a>

- `skip-user-metrics` flag if enabled, replaces the username label with "UserLabelDisabled" to prevent metric explosion in environments with many unique users.
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