RepoMirrors/prometheus
1
0
Fork 0
mirror of https://github.com/prometheus/prometheus synced 2024-12-26 00:23:18 +00:00
Code Issues Packages Projects Releases Wiki Activity

Preallocate m-map file only for Windows (#7306)

Browse Source 
Signed-off-by: Ganesh Vernekar <cs15btech11018@iith.ac.in>
This commit is contained in:
Ganesh Vernekar 2020-05-28 20:24:19 +05:30 committed by GitHub
parent 3932a7149f
commit 83619aa9ac
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 44 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
tsdb/chunks/head_chunks.go
View File

@ -188,7 +188,7 @@ func (cdm *ChunkDiskMapper) openMMapFiles() (returnErr error) {
for seq, fn := range files {
f, err := fileutil.OpenMmapFile(fn)
if err != nil {
return errors.Wrap(err, "mmap files")
return errors.Wrapf(err, "mmap files, file: %s", fn)
}
cdm.closers[seq] = f
cdm.mmappedChunkFiles[seq] = &mmappedChunkFile{byteSlice: realByteSlice(f.Bytes())}
@ -337,7 +337,7 @@ func (cdm *ChunkDiskMapper) cut(mint int64) (returnErr error) {
return err
}
n, newFile, seq, err := cutSegmentFile(cdm.dir, MagicHeadChunks, headChunksFormatV1, int64(MaxHeadChunkFileSize))
n, newFile, seq, err := cutSegmentFile(cdm.dir, MagicHeadChunks, headChunksFormatV1, HeadChunkFilePreallocationSize)
if err != nil {
return err
}

22
tsdb/chunks/head_chunks_other.go Normal file
View File

@ -0,0 +1,22 @@
// 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.
// +build !windows
package chunks
var (
// 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.
HeadChunkFilePreallocationSize int64
)

20
tsdb/chunks/head_chunks_windows.go Normal file
View File

@ -0,0 +1,20 @@
// 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.
package chunks
var (
// HeadChunkFilePreallocationSize is the size to which the m-map file should be preallocated when a new file is cut.
// Windows needs pre-allocation to m-map the file.
HeadChunkFilePreallocationSize int64 = MaxHeadChunkFileSize
)