mirror of
https://github.com/prometheus/prometheus.git
synced 2024-09-20 07:47:31 -07:00
b319b14431
To avoid potential chunk corruption read, which I am not sure why is happening. Closes #9561. Signed-off-by: Mateusz Gozdek <mgozdekof@gmail.com>
23 lines
1 KiB
Go
23 lines
1 KiB
Go
// Copyright 2020 The Prometheus 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
|
|
// +build !windows
|
|
|
|
package chunks
|
|
|
|
// HeadChunkFilePreallocationSize is the size to which the m-map file should be preallocated when a new file is cut.
|
|
// Windows needs pre-allocations while the other OS does not. But we observed that a 0 pre-allocation causes unit tests to flake.
|
|
// This small allocation for non-Windows OSes removes the flake.
|
|
var HeadChunkFilePreallocationSize int64 = MinWriteBufferSize * 2
|