issue: #43897
- UpdateReplicateConfig operation will broadcast AlterReplicateConfig
message into all pchannels with cluster-exclusive-lock.
- Begin txn message will use commit message timetick now (to avoid
timetick rollback when CDC with txn message).
- If current cluster is secondary, the UpdateReplicateConfig will wait
until the replicate configuration is consistent with the config
replicated from primary.
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Signed-off-by: chyezh <chyezh@outlook.com>
issue: #43897
- Return LastConfirmedMessageID when wal append operation.
- Add resource-key-based locker for broadcast-ack operation to protect
the coord state when executing ddl.
- Resource-key-based locker is held until the broadcast operation is
acked.
- ResourceKey support shared and exclusive lock.
- Add FastAck execute ack right away after the broadcast done to speed
up ddl.
- Ack callback will support broadcast message result now.
- Add tombstone for broadcaster to avoid to repeatedly commit DDL and
ABA issue.
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Signed-off-by: chyezh <chyezh@outlook.com>
