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https://gitee.com/milvus-io/milvus.git
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a773836b89
issue: #35549,#35611,#35633 - remove milvus_segcore milvus_indexbuilder..., add libmilvus_core - core building only link once - move opendal compilation into cmake - fix odr --------- Signed-off-by: chyezh <chyezh@outlook.com>
102 lines
3.5 KiB
Go
102 lines
3.5 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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/*
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#cgo pkg-config: milvus_core
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#include "segcore/load_index_c.h"
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*/
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import "C"
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import (
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"fmt"
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"unsafe"
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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/pkg/common"
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"github.com/milvus-io/milvus/pkg/util/conc"
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"github.com/milvus-io/milvus/pkg/util/funcutil"
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"github.com/milvus-io/milvus/pkg/util/indexparamcheck"
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"github.com/milvus-io/milvus/pkg/util/typeutil"
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)
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var indexAttrCache = NewIndexAttrCache()
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// getIndexAttrCache use a singleton to store index meta cache.
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func getIndexAttrCache() *IndexAttrCache {
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return indexAttrCache
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}
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// IndexAttrCache index meta cache stores calculated attribute.
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type IndexAttrCache struct {
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loadWithDisk *typeutil.ConcurrentMap[typeutil.Pair[string, int32], bool]
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sf conc.Singleflight[bool]
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}
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func NewIndexAttrCache() *IndexAttrCache {
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return &IndexAttrCache{
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loadWithDisk: typeutil.NewConcurrentMap[typeutil.Pair[string, int32], bool](),
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}
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}
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func (c *IndexAttrCache) GetIndexResourceUsage(indexInfo *querypb.FieldIndexInfo, memoryIndexLoadPredictMemoryUsageFactor float64, fieldBinlog *datapb.FieldBinlog) (memory uint64, disk uint64, err error) {
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indexType, err := funcutil.GetAttrByKeyFromRepeatedKV(common.IndexTypeKey, indexInfo.IndexParams)
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if err != nil {
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return 0, 0, fmt.Errorf("index type not exist in index params")
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}
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if indexType == indexparamcheck.IndexDISKANN {
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neededMemSize := indexInfo.IndexSize / UsedDiskMemoryRatio
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neededDiskSize := indexInfo.IndexSize - neededMemSize
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return uint64(neededMemSize), uint64(neededDiskSize), nil
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}
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if indexType == indexparamcheck.IndexINVERTED {
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neededMemSize := 0
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// we will mmap the binlog if the index type is inverted index.
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neededDiskSize := indexInfo.IndexSize + getBinlogDataDiskSize(fieldBinlog)
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return uint64(neededMemSize), uint64(neededDiskSize), nil
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}
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engineVersion := indexInfo.GetCurrentIndexVersion()
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isLoadWithDisk, has := c.loadWithDisk.Get(typeutil.NewPair(indexType, engineVersion))
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if !has {
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isLoadWithDisk, _, _ = c.sf.Do(fmt.Sprintf("%s_%d", indexType, engineVersion), func() (bool, error) {
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var result bool
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GetDynamicPool().Submit(func() (any, error) {
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cIndexType := C.CString(indexType)
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defer C.free(unsafe.Pointer(cIndexType))
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cEngineVersion := C.int32_t(indexInfo.GetCurrentIndexVersion())
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result = bool(C.IsLoadWithDisk(cIndexType, cEngineVersion))
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return nil, nil
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}).Await()
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c.loadWithDisk.Insert(typeutil.NewPair(indexType, engineVersion), result)
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return result, nil
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})
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}
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factor := float64(1)
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diskUsage := uint64(0)
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if !isLoadWithDisk {
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factor = memoryIndexLoadPredictMemoryUsageFactor
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} else {
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diskUsage = uint64(indexInfo.IndexSize)
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}
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return uint64(float64(indexInfo.IndexSize) * factor), diskUsage, nil
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}
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