mirror of
https://github.com/gogrlx/nats-server.git
synced 2026-04-02 11:48:43 -07:00
39 lines
1.1 KiB
Go
39 lines
1.1 KiB
Go
// Copyright 2020-2022 The NATS Authors
|
|
// 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.
|
|
|
|
//go:build !windows && !openbsd && !netbsd && !wasm
|
|
// +build !windows,!openbsd,!netbsd,!wasm
|
|
|
|
package server
|
|
|
|
import (
|
|
"os"
|
|
"syscall"
|
|
)
|
|
|
|
func diskAvailable(storeDir string) int64 {
|
|
var ba int64
|
|
if _, err := os.Stat(storeDir); os.IsNotExist(err) {
|
|
os.MkdirAll(storeDir, defaultDirPerms)
|
|
}
|
|
var fs syscall.Statfs_t
|
|
if err := syscall.Statfs(storeDir, &fs); err == nil {
|
|
// Estimate 75% of available storage.
|
|
ba = int64(uint64(fs.Bavail) * uint64(fs.Bsize) / 4 * 3)
|
|
} else {
|
|
// Used 1TB default as a guess if all else fails.
|
|
ba = JetStreamMaxStoreDefault
|
|
}
|
|
return ba
|
|
}
|