1. Fix primary-secondary replication switchover blocking by delete
replicate pchannel meta using modRevision.
2. Stop channel replicator(scanner) when cluster role changes to prevent
continued message consumption and replication.
3. Close Milvus client to prevent goroutine leak.
4. Create Milvus client once for a channel replicator.
5. Simplify CDC controller and resources.
issue: https://github.com/milvus-io/milvus/issues/44123
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Signed-off-by: bigsheeper <yihao.dai@zilliz.com>
Make CDC watch etcd replicate pchannel meta instead of listing them
periodically.
issue: https://github.com/milvus-io/milvus/issues/44123
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Signed-off-by: bigsheeper <yihao.dai@zilliz.com>
issue: #44558, #44123
- Update config(A->C) to A and C, config(B) to B on replicate topology
(A->B,A->C) can remove the B from replicate topology
- Fix some metric error of CDC
Signed-off-by: chyezh <chyezh@outlook.com>
issue: #44123
- support replicate message in wal of milvus.
- support CDC-replicate recovery from wal.
- fix some CDC replicator bugs
Signed-off-by: chyezh <chyezh@outlook.com>
issue: #43897
- add ddl messages proto and add some message utilities.
- support shard/exclusive resource-key-lock.
- add all ddl callbacks future into broadcast registry.
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Signed-off-by: chyezh <chyezh@outlook.com>
