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5038036ece
issue: #32530 when try to match segment bloom filter with pk, we can reuse the hash locations. This PR maintain the max hash Func, and compute hash location once for all segment, reuse hash location can speed up bf access --------- Signed-off-by: Wei Liu <wei.liu@zilliz.com>
101 lines
3.6 KiB
Go
101 lines
3.6 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package segments
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import (
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"context"
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"github.com/milvus-io/milvus-proto/go-api/v2/msgpb"
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"github.com/milvus-io/milvus/internal/proto/datapb"
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"github.com/milvus-io/milvus/internal/proto/querypb"
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"github.com/milvus-io/milvus/internal/proto/segcorepb"
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"github.com/milvus-io/milvus/internal/storage"
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"github.com/milvus-io/milvus/pkg/util/metautil"
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"github.com/milvus-io/milvus/pkg/util/typeutil"
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)
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// ResourceUsage is used to estimate the resource usage of a sealed segment.
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type ResourceUsage struct {
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MemorySize uint64
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DiskSize uint64
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MmapFieldCount int
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}
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// Segment is the interface of a segment implementation.
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// Some methods can not apply to all segment types，such as LoadInfo, ResourceUsageEstimate.
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// Add more interface to represent different segment types is a better implementation.
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type Segment interface {
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// ResourceUsageEstimate() ResourceUsage
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// Properties
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ID() int64
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DatabaseName() string
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ResourceGroup() string
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Collection() int64
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Partition() int64
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Shard() metautil.Channel
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Version() int64
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CASVersion(int64, int64) bool
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StartPosition() *msgpb.MsgPosition
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Type() SegmentType
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Level() datapb.SegmentLevel
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LoadInfo() *querypb.SegmentLoadInfo
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// PinIfNotReleased the segment to prevent it from being released
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PinIfNotReleased() error
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// Unpin the segment to allow it to be released
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Unpin()
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// Stats related
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// InsertCount returns the number of inserted rows, not effected by deletion
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InsertCount() int64
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// RowNum returns the number of rows, it's slow, so DO NOT call it in a loop
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RowNum() int64
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MemSize() int64
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// ResourceUsageEstimate returns the estimated resource usage of the segment
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ResourceUsageEstimate() ResourceUsage
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// Index related
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GetIndex(fieldID int64) *IndexedFieldInfo
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ExistIndex(fieldID int64) bool
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Indexes() []*IndexedFieldInfo
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HasRawData(fieldID int64) bool
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// Modification related
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Insert(ctx context.Context, rowIDs []int64, timestamps []typeutil.Timestamp, record *segcorepb.InsertRecord) error
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Delete(ctx context.Context, primaryKeys []storage.PrimaryKey, timestamps []typeutil.Timestamp) error
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LoadDeltaData(ctx context.Context, deltaData *storage.DeleteData) error
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LastDeltaTimestamp() uint64
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Release(ctx context.Context, opts ...releaseOption)
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// Bloom filter related
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UpdateBloomFilter(pks []storage.PrimaryKey)
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MayPkExist(pk storage.PrimaryKey) bool
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TestLocations(pk storage.PrimaryKey, loc []uint64) bool
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GetHashFuncNum() uint
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// Read operations
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Search(ctx context.Context, searchReq *SearchRequest) (*SearchResult, error)
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Retrieve(ctx context.Context, plan *RetrievePlan) (*segcorepb.RetrieveResults, error)
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RetrieveByOffsets(ctx context.Context, plan *RetrievePlan, offsets []int64) (*segcorepb.RetrieveResults, error)
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IsLazyLoad() bool
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ResetIndexesLazyLoad(lazyState bool)
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// lazy load related
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NeedUpdatedVersion() int64
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RemoveUnusedFieldFiles() error
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}
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