Related to #37112
Skip load logic used to work only when there is multiple segment load
info entires in load request. In continous delete case, delegator still
loads l0 segment, which occupies lot of memory.
Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
OSPP 2024 project:
https://summer-ospp.ac.cn/org/prodetail/247410235?list=org&navpage=org
Solutions:
- parser (planparserv2)
- add CallExpr in planparserv2/Plan.g4
- update parser_visitor and show_visitor
- grpc protobuf
- add CallExpr in plan.proto
- execution (`core/src/exec`)
- add `CallExpr` `ValueExpr` and `ColumnExpr` (both logical and
physical) for function call and function parameters
- function factory (`core/src/exec/expression/function`)
- create a global hashmap when starting milvus (see server.go)
- the global hashmap stores function signatures and their function
pointers, the CallExpr in execution engine can get the function pointer
by function signature.
- custom functions
- empty(string)
- starts_with(string, string)
- add cpp/go unittests and E2E tests
closes: #36559
Signed-off-by: Yinzuo Jiang <jiangyinzuo@foxmail.com>
Related to #35303
Delta data is not needed when using `RemoteLoad` l0 forward policy. By
skipping load delta data, memory pressure could be eased if l0 segment
size/number is large.
Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
Related to #35303
This PR add metrics for querynode delegator delete buffer information,
which is related to dml quota logic.
Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
Relatedt #36887
DirectFoward streaming delete will cause memory usage explode if the
segments number was large. This PR add batching delete API and using it
for direct forward implementation.
Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
issue: #35576
This pr is to cover those cases when queryHook optimize search params
and make the result size insufficient, add retry search mechanism and
add related metrics for alarming.
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Signed-off-by: chasingegg <chao.gao@zilliz.com>
issue: https://github.com/milvus-io/milvus/issues/36835
currently searching BM25 output field using IP will end up in an error
in segcore which is hard to understand. now returning error in query
node delegator and provide more useful error message
Signed-off-by: Buqian Zheng <zhengbuqian@gmail.com>
Related to #36887
Forward delete to L0 segment will return error and mark l0 segment
offline causing delegator unserviceable
Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
Start position & level info is missing for growing segment loaded in
watch dml channel operation.
Level is important for metrics and start position is crucial for growing
exclude logic.
Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
issue: https://github.com/milvus-io/milvus/issues/35853
* BM25 Function now takes no params, k1, b should be passed via index
params
* support BM25 full text search when metric type is not present in
search request
* add more strict validation with functions at collection creation time
Signed-off-by: Buqian Zheng <zhengbuqian@gmail.com>
This PR splits sealed segment to chunked data to avoid unnecessary
memory copy and save memory usage when loading segments so that loading
can be accelerated.
To support rollback to previous version, we add an option
`multipleChunkedEnable` which is false by default.
Signed-off-by: sunby <sunbingyi1992@gmail.com>
issue: #36464
This PR enable balance on querynode with different mem capacity, for
query node which has more mem capactity will be assigned more records,
and query node with the largest difference between assignedScore and
currentScore will have a higher priority to carry the new segment.
Signed-off-by: Wei Liu <wei.liu@zilliz.com>
Related to #36482
This PR reuses `SealedSegmentIDsRetrieved` field in `RetrieveResults`
struct to store segment id hint.
Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
issue: #36257
during syncTargetVersion, sealed segment should be excluded, to avoid
it's growing segment be conusmed from stream again.
Signed-off-by: Wei Liu <wei.liu@zilliz.com>
Related to #35303
This PR add a param item to support change l0 forward behavior from bf
filtering and forward to remote load.
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Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
