issue: #41439
- add IsPersisted and VChannel interface for message
- add WithNotPersisted() for message builder
- fix the persisted time tick lost at write ahead buffer
Signed-off-by: chyezh <chyezh@outlook.com>
Related to #41302
Previously wait for 200 milliseconds could cause unsable behavior of
this unittest. This PR make unittest wait for certain function call
instead of wait for some time.
Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
Merge RootCoord, DataCoord And QueryCoord into MixCoord
Make Session into one
issue : https://github.com/milvus-io/milvus/issues/37764
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Signed-off-by: Xianhui.Lin <xianhui.lin@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>
issue: #38399, #39892
- use mvcc timestamp of wal as guaranteets if wal and delegator is
located at same node.
- fix: ignore growing option is lost at hibridsearch
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Signed-off-by: chyezh <chyezh@outlook.com>
issue: #38399
- fix the nil pointer bug
- limit the resource usage for streaming e2e
- enhance the go test
- fix: rootcoord block when graceful stop
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Signed-off-by: chyezh <chyezh@outlook.com>
issue: #38399
- Make a timetick-commit-based write ahead buffer at write side.
- Add a switchable scanner at read side to transfer the state between
catchup and tailing read
Signed-off-by: chyezh <chyezh@outlook.com>
issue: #38399
- Add a pchannel level checkpoint for flush processing
- Refactor the recovery of flushers of wal
- make a shared wal scanner first, then make multi datasyncservice on it
Signed-off-by: chyezh <chyezh@outlook.com>
issue: #38399
- broadcast message can carry multi resource key now.
- implement event-based notification for broadcast messages
- broadcast message use broadcast id as a unique identifier in message
- broadcasted message on vchannels keep the broadcasted vchannel now.
- broadcasted message and broadcast message have a common broadcast
header now.
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Signed-off-by: chyezh <chyezh@outlook.com>
issue: #38399
- Make the wal scanner interface same with streaming scanner.
- Use wal if the wal is located at current node.
- Otherwise fallback the old logic.
Signed-off-by: chyezh <chyezh@outlook.com>
issue: #38399
- The stats may be kept after wal closing if the growing segment is not
dirty.
- Change the error handling of wal open to avoid redundant manager api
call.
Signed-off-by: chyezh <chyezh@outlook.com>
issue: #38399
- Embed the query node into streaming node to make delegator available
at streaming node.
- The embedded query node has a special server label
`QUERYNODE_STREAMING-EMBEDDED`.
- Change the balance strategy to make the channel assigned to streaming
node as much as possible.
Signed-off-by: chyezh <chyezh@outlook.com>
issue: #38399
- Add new rpc for transfer broadcast to streaming coord
- Add broadcast service at streaming coord to make broadcast message
sent automicly
Signed-off-by: chyezh <chyezh@outlook.com>
issue: #38399
- use last allocate but not last confirmed id to make barrier.
- move the barrier logic into the timetick allocator.
- try to sync up local allocator and remote allocator when first barrier
check not pass to speed up.
Signed-off-by: chyezh <chyezh@outlook.com>
issue: #38399
- move the lifetime implementation of common code out of the server
level lifetime implementation
Signed-off-by: chyezh <chyezh@outlook.com>
issue: #33285
- Modify the proto of consumer of streaming service.
- Make VChannel as a required option for streaming
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Signed-off-by: chyezh <chyezh@outlook.com>
issue: #37172
- add redo interceptor to implement append context refresh. (make new
timetick)
- add create segment handler for flusher.
- make empty segment flushable and directly change it into dropped.
- add create segment message into wal when creating new growing segment.
- make the insert operation into following seq: createSegment -> insert
-> insert -> flushSegment.
- make manual flush into following seq: flushTs -> flushsegment ->
flushsegment -> manualflush.
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Signed-off-by: chyezh <chyezh@outlook.com>
issue: #36858
- Start channel manager on datacoord, but with empty assign policy in
streaming service.
- Make collection at dropping state can be recovered by flusher to make
sure that
milvus consume the dropCollection message.
- Add backoff for flusher lifetime.
- remove the proxy watcher from timetick at rootcoord in streaming
service.
Also see the better fixup: #37176
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Signed-off-by: chyezh <chyezh@outlook.com>
