mirror of
https://gitee.com/milvus-io/milvus.git
synced 2024-12-01 11:29:48 +08:00
6c4658db22
Signed-off-by: cai.zhang <cai.zhang@zilliz.com> Signed-off-by: cai.zhang <cai.zhang@zilliz.com>
89 lines
2.7 KiB
Go
89 lines
2.7 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 indexcoord
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import (
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"errors"
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"fmt"
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"strconv"
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"strings"
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"github.com/milvus-io/milvus-proto/go-api/commonpb"
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"github.com/milvus-io/milvus-proto/go-api/schemapb"
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"github.com/milvus-io/milvus/internal/log"
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"github.com/milvus-io/milvus/internal/proto/indexpb"
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"github.com/milvus-io/milvus/internal/util"
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)
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// getDimension gets the dimension of data from building index request.
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func getDimension(req *indexpb.CreateIndexRequest) (int64, error) {
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for _, kvPair := range req.GetTypeParams() {
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key, value := kvPair.GetKey(), kvPair.GetValue()
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if key == "dim" {
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dim, err := strconv.ParseInt(value, 10, 64)
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if err != nil {
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errMsg := "dimension is invalid"
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log.Error(errMsg)
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return 0, errors.New(errMsg)
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}
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return dim, nil
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}
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}
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errMsg := "dimension is not in type params"
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log.Error(errMsg)
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return 0, errors.New(errMsg)
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}
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// estimateIndexSize estimates how much memory will be occupied by IndexNode when building an index.
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func estimateIndexSize(dim int64, numRows int64, dataType schemapb.DataType) (uint64, error) {
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if dataType == schemapb.DataType_FloatVector {
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return uint64(dim) * uint64(numRows) * 4, nil
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}
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if dataType == schemapb.DataType_BinaryVector {
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return uint64(dim) / 8 * uint64(numRows), nil
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}
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// TODO: optimize here.
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return 0, nil
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}
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func parseBuildIDFromFilePath(key string) (UniqueID, error) {
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ss := strings.Split(key, "/")
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if strings.HasSuffix(key, "/") {
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return strconv.ParseInt(ss[len(ss)-2], 10, 64)
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}
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return strconv.ParseInt(ss[len(ss)-1], 10, 64)
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}
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func buildHandoffKey(collID, partID, segID UniqueID) string {
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return fmt.Sprintf("%s/%d/%d/%d", util.HandoffSegmentPrefix, collID, partID, segID)
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}
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func getIndexType(indexParams []*commonpb.KeyValuePair) string {
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for _, param := range indexParams {
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if param.Key == "index_type" {
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return param.Value
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}
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}
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return invalidIndex
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}
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func isFlatIndex(indexType string) bool {
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return indexType == flatIndex || indexType == binFlatIndex
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}
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