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minio/cmd/server-rlimit.go

55 lines
1.5 KiB

/*
* MinIO Cloud Storage, (C) 2017 MinIO, 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 cmd
import (
"runtime/debug"
"github.com/minio/minio/pkg/sys"
)
func setMaxResources() (err error) {
// Set the Go runtime max threads threshold to 90% of kernel setting.
// Do not return when an error when encountered since it is not a crucial task.
sysMaxThreads, mErr := sys.GetMaxThreads()
if mErr == nil {
minioMaxThreads := (sysMaxThreads * 90) / 100
// Only set max threads if it is greater than the default one
if minioMaxThreads > 10000 {
debug.SetMaxThreads(minioMaxThreads)
}
}
var maxLimit uint64
// Set open files limit to maximum.
if _, maxLimit, err = sys.GetMaxOpenFileLimit(); err != nil {
return err
}
if err = sys.SetMaxOpenFileLimit(maxLimit, maxLimit); err != nil {
return err
}
// Set max memory limit as current memory limit.
if _, maxLimit, err = sys.GetMaxMemoryLimit(); err != nil {
return err
}
err = sys.SetMaxMemoryLimit(maxLimit, maxLimit)
return err
}