Check if the segment exists during FlushSegments and add some key logs
in write path.
issue: https://github.com/milvus-io/milvus/issues/34255
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Signed-off-by: bigsheeper <yihao.dai@zilliz.com>
Related to #33716
This PR add context param in SyncTask.Run execution functions to make it
cancellable from the caller.
This make it possible to cancel task when datanode/data sync service is
beeing shut down.
Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
1. Remove the `compactTo` field in `SegmentInfo`.
2. Remove the target segment not match and its retry logic in
`SyncManager`.
issue: https://github.com/milvus-io/milvus/issues/32809
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Signed-off-by: bigsheeper <yihao.dai@zilliz.com>
issue: #33005
1. add `MemorySize` field for insert binlog.
2. `LogSize` means the file size in the storage object.
3. `MemorySize` means the size of the data in the memory.
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Signed-off-by: Cai Zhang <cai.zhang@zilliz.com>
Signed-off-by: cai.zhang <cai.zhang@zilliz.com>
See also #32860
SyncMgr did not ensure task key is locked before `SyncData` returning
which may cause concurrent problem during sync wich multiple policies.
This PR change sync mgr implementation to make sure the key is locked
before returning task result `*conc.Future`
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Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
Once the synchronization of the sync task is completed, it's necessary
to release the blob within the sync task, as the caller may continue to
reference it.
issue: https://github.com/milvus-io/milvus/issues/31545
Signed-off-by: bigsheeper <yihao.dai@zilliz.com>
See also #27675#30469
For a sync task, the segment could be compacted during sync task. In
previous implementation, this sync task will hold only the old segment
id as KeyLock, in which case compaction on compacted to segment may run
in parallel with delta sync of this sync task.
This PR introduces sync target segment verification logic. It shall
check target segment lock it's holding beforing actually syncing logic.
If this check failed, sync task shall return`errTargetSegementNotMatch`
error and make manager re-fetch the current target segment id.
Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
This PR introduces novel importv2 roles for datanode:
1. Executor: To execute tasks, a import task will be divided into the
following steps: read data -> hash data -> sync data;
2. Manager: To manage all the tasks;
issue: https://github.com/milvus-io/milvus/issues/28521
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Signed-off-by: bigsheeper <yihao.dai@zilliz.com>
See also #27675
`Allocator.Alloc` and `Allocator.AllocOne` might be invoked multiple
times if there were multiple blobs set in one sync task.
This PR add pre-fetch logic for all blobs and cache logIDs in sync task
so that at most only one call of the allocator is needed.
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Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
See also #27675
Since serialization segment buffer does not related to sync manager can
shall be done before submit into sync manager. So that the pk statistic
file could be more accurate and reduce complex logic inside sync
manager.
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Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
Related to #27675
The timestamp from, to field is not field for new implementation of
writebuffer & sync manager
This pr fills these field for better log information
Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
Related to #28628
Compacted segment syncing counter is not set correctly in sync task and
the bf write buffer shall not use compacted segment as candidate when
buffering delta data
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Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
See also #27675
When L0 segment contains only delta data, merged statslog shall be
skiped when performing sync task
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Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
See also #27675
Compacted segment info shall be removed after all buffer belongs to it
is sync-ed.
This PR add the cleanup function after triggerSyncTask logic:
- The buffer is stable and protected by mutex
- Cleanup fetches compacted & non-sync segment
- Remove segment info only there is no buffered maintained in manager
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Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
See also #28575
Add zero-length check for `storage.NewPrimaryKeyStats`. This function
shall return error when non-positive rowNum passed.
Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
See also #27675
- Fix LevelZero segment cannot be flushed
- Add level option for syncTask
- Invoke `AddSegment` when new LevelZero segment is allocated
Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
See also #27675
Since `MetaWriter` need `*datapb.FieldBinlog` struct, sync task now
generate FieldBinlog directly
Also fix merged statslog not generated if last task has no insert
Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
See also #27675
This PR make previously merged refactory of datanode go online
- Use write node to replace insert/delete node
- Use write buffer manager to control all buffers
- Use sync manager to control sync tasks instead of flush manager
Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
