Introduce a batch subscription mechanism in msgdispatcher: the
msgdispatcher now includes a vchannel watch task queue, where all
vchannels in the queue will subscribe to the MQ only once and pull
messages from the oldest vchannel checkpoint to the latest.
issue: https://github.com/milvus-io/milvus/issues/39862
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Signed-off-by: bigsheeper <yihao.dai@zilliz.com>
issue: #38399
- add metrics for broadcaster component.
- add metrics for wal flusher component.
- add metrics for wal interceptors.
- add slow log for wal.
- add more label for some wal metrics. (local or remote/catcup or
tailing...)
Signed-off-by: chyezh <chyezh@outlook.com>
1. Move the common modules of streamingNode and dataNode to flushcommon
2. Add new GetVChannels interface for rootcoord
issue: https://github.com/milvus-io/milvus/issues/33285
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Signed-off-by: bigsheeper <yihao.dai@zilliz.com>