server: Attempt to increase max open files. (#1328)

master
Harshavardhana 9 years ago committed by Anand Babu (AB) Periasamy
parent ff9a6b00cc
commit 6bc17a3aea
  1. 5
      server-main.go
  2. 44
      server-rlimit-nix.go
  3. 26
      server-rlimit-win.go

@ -149,6 +149,11 @@ func initServerConfig(c *cli.Context) {
SecretAccessKey: secretKey,
})
}
// Set maxOpenFiles, This is necessary since default operating
// system limits of 1024, 2048 are not enough for Minio server.
setMaxOpenFiles()
// Do not fail if this is not allowed, lower limits are fine as well.
}
// Check server arguments.

@ -0,0 +1,44 @@
// +build !windows,!plan9
/*
* Minio Cloud Storage, (C) 2016 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 main
import "syscall"
// For all unixes we need to bump allowed number of open files to a
// higher value than its usual default of '1024'. The reasoning is
// that this value is too small for a server.
func setMaxOpenFiles() error {
var rLimit syscall.Rlimit
err := syscall.Getrlimit(syscall.RLIMIT_NOFILE, &rLimit)
if err != nil {
return err
}
// Safe limit to be set on all platforms.
rLimit.Max = 4000
rLimit.Cur = 4000
err = syscall.Setrlimit(syscall.RLIMIT_NOFILE, &rLimit)
if err != nil {
return err
}
err = syscall.Getrlimit(syscall.RLIMIT_NOFILE, &rLimit)
if err != nil {
return err
}
return nil
}

@ -0,0 +1,26 @@
// +build windows
/*
* Minio Cloud Storage, (C) 2016 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 main
func setMaxOpenFiles() error {
// Golang uses Win32 file API (CreateFile, WriteFile, ReadFile,
// CloseHandle, etc.), then you don't have a limit on open files
// (well, you do but it is based on your resources like memory).
return nil
}
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