storj.io/minio@v0.0.0-20230509071714-0cbc90f649b1/cmd/server-rlimit.go (about)

     1  /*
     2   * MinIO Cloud Storage, (C) 2017 MinIO, Inc.
     3   *
     4   * Licensed under the Apache License, Version 2.0 (the "License");
     5   * you may not use this file except in compliance with the License.
     6   * You may obtain a copy of the License at
     7   *
     8   *     http://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   */
    16  
    17  package cmd
    18  
    19  import (
    20  	"runtime/debug"
    21  
    22  	"storj.io/minio/pkg/sys"
    23  )
    24  
    25  func setMaxResources() (err error) {
    26  	// Set the Go runtime max threads threshold to 90% of kernel setting.
    27  	sysMaxThreads, mErr := sys.GetMaxThreads()
    28  	if mErr == nil {
    29  		minioMaxThreads := (sysMaxThreads * 90) / 100
    30  		// Only set max threads if it is greater than the default one
    31  		if minioMaxThreads > 10000 {
    32  			debug.SetMaxThreads(minioMaxThreads)
    33  		}
    34  	}
    35  
    36  	var maxLimit uint64
    37  
    38  	// Set open files limit to maximum.
    39  	if _, maxLimit, err = sys.GetMaxOpenFileLimit(); err != nil {
    40  		return err
    41  	}
    42  
    43  	if err = sys.SetMaxOpenFileLimit(maxLimit, maxLimit); err != nil {
    44  		return err
    45  	}
    46  
    47  	// Set max memory limit as current memory limit.
    48  	if _, maxLimit, err = sys.GetMaxMemoryLimit(); err != nil {
    49  		return err
    50  	}
    51  
    52  	err = sys.SetMaxMemoryLimit(maxLimit, maxLimit)
    53  	return err
    54  }