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refactor: rename file checkpoint extension. #76

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Merged
auula merged 1 commit into from
Nov 29, 2025
Merged

refactor: rename file checkpoint extension. #76

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11 changes: 6 additions & 5 deletions vfs/lfs.go
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Original file line number Diff line number Diff line change
Expand Up @@ -61,6 +61,7 @@ var (
shard = 10
transformer = NewTransformer()
fileExtension = ".db"
ckptExtension = ".ckpt"
indexFileName = "index.db"
dataFileMetadata = []byte{0xDB, 0x00, 0x01, 0x01}
)
Expand Down Expand Up @@ -554,7 +555,7 @@ func (lfs *LogStructuredFS) scanAndRecoverIndexs() error {
}

// 只有数据文件大于 2 并且有检查点文件才加快启动恢复
ckpts, _ := filepath.Glob(filepath.Join(lfs.directory, "*.ids"))
ckpts, _ := filepath.Glob(filepath.Join(lfs.directory, ckptExtension))
if len(lfs.regions) >= 2 && len(ckpts) > 0 {
return scanAndRecoverCheckpoint(ckpts, lfs.regions, lfs.indexs)
}
Expand Down Expand Up @@ -655,8 +656,8 @@ func (lfs *LogStructuredFS) RunCheckpoint(second uint32) {
continue
}

// 使用 strings.TrimSuffix 去掉 .tmp 后缀，然后加上 .ids 后缀
newckpt := strings.TrimSuffix(ckpt, ".tmp") + ".ids"
// 使用 strings.TrimSuffix 去掉 .tmp 后缀，然后加上 .ckpt 后缀
newckpt := strings.TrimSuffix(ckpt, ".tmp") + ckptExtension
err = os.Rename(filepath.Join(lfs.directory, ckpt), filepath.Join(lfs.directory, newckpt))
if err != nil {
clog.Errorf("failed to rename checkpoint temp file: %v", err)
Expand Down Expand Up @@ -1207,7 +1208,7 @@ func formatDataFileName(number int64) string {
}

func checkpointFileName(regionID int64) string {
return fmt.Sprintf("ckpt.%d.%d.tmp", time.Now().Unix(), regionID)
return fmt.Sprintf("mem.%d.%d.tmp", time.Now().Unix(), regionID)
}

// serializedIndex serializes the index to a recoverable file snapshot record format:
Expand Down Expand Up @@ -1493,7 +1494,7 @@ func appendToActiveRegion(fd *os.File, bytes []byte) error {
}

func cleanupDirtyCheckpoint(directory, newCheckpoint string) error {
files, err := filepath.Glob(filepath.Join(directory, "*.ids"))
files, err := filepath.Glob(filepath.Join(directory, ckptExtension))
if err != nil {
return err
}
Expand Down