tidb optimize_trace 源码
tidb optimize_trace 代码
文件路径：/domain/optimize_trace.go
// Copyright 2021 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package domain
import (
"os"
"path/filepath"
"strconv"
)
// GetOptimizerTraceDirName returns optimizer trace directory path.
// The path is related to the process id.
func GetOptimizerTraceDirName() string {
return filepath.Join(os.TempDir(), "optimizer_trace", strconv.Itoa(os.Getpid()))
}
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