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61 lines
2.0 KiB
Go
61 lines
2.0 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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"strconv"
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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/proto/schemapb"
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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.BuildIndexRequest) (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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errMsg := "the field to build index must be a vector field"
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log.Error(errMsg)
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return 0, errors.New(errMsg)
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}
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