mirror of
https://github.com/gogrlx/nats-server.git
synced 2026-04-02 03:38:42 -07:00
39 lines
1.1 KiB
Go
39 lines
1.1 KiB
Go
// Copyright 2020 The NATS Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//go:build !windows && !openbsd && !wasm
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// +build !windows,!openbsd,!wasm
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package server
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import (
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"os"
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"syscall"
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)
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func diskAvailable(storeDir string) int64 {
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var ba int64
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if _, err := os.Stat(storeDir); os.IsNotExist(err) {
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os.MkdirAll(storeDir, defaultDirPerms)
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}
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var fs syscall.Statfs_t
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if err := syscall.Statfs(storeDir, &fs); err == nil {
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// Estimate 75% of available storage.
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ba = int64(uint64(fs.Bavail) * uint64(fs.Bsize) / 4 * 3)
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} else {
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// Used 1TB default as a guess if all else fails.
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ba = JetStreamMaxStoreDefault
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}
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return ba
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}
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