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fix: remove pre-2.21 tmp blocks on start (#8353)

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* fix: remove pre-2.21 tmp blocks on start

Signed-off-by: Nguyen Le Vu Long <vulongvn98@gmail.com>

* fix: commenting

Signed-off-by: Nguyen Le Vu Long <vulongvn98@gmail.com>
This commit is contained in:
Nguyen Le Vu Long 2021-01-09 16:02:26 +07:00 committed by GitHub
parent fd022965c0
commit fbe960f2c1
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 10 additions and 3 deletions
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4
tsdb/db.go
View File

@ -56,6 +56,8 @@ const (
// about removing those too on start to save space. Currently only blocks tmp dirs are removed.
tmpForDeletionBlockDirSuffix = ".tmp-for-deletion"
tmpForCreationBlockDirSuffix = ".tmp-for-creation"
// Pre-2.21 tmp dir suffix, used in clean-up functions.
tmpLegacy = ".tmp"
)
var (
@ -1570,7 +1572,7 @@ func isTmpBlockDir(fi os.FileInfo) bool {
fn := fi.Name()
ext := filepath.Ext(fn)
if ext == tmpForDeletionBlockDirSuffix || ext == tmpForCreationBlockDirSuffix {
if ext == tmpForDeletionBlockDirSuffix || ext == tmpForCreationBlockDirSuffix || ext == tmpLegacy {
if _, err := ulid.ParseStrict(fn[:len(fn)-len(ext)]); err == nil {
return true
}

9
tsdb/db_test.go
View File

@ -2795,15 +2795,20 @@ func TestOpen_VariousBlockStates(t *testing.T) {
require.NoError(t, os.Remove(filepath.Join(dir, metaFilename)))
}
{
// Tmp blocks during creation & deletion; those should be removed on start.
// Tmp blocks during creation; those should be removed on start.
dir := createBlock(t, tmpDir, genSeries(10, 2, 30, 40))
require.NoError(t, fileutil.Replace(dir, dir+tmpForCreationBlockDirSuffix))
expectedRemovedDirs[dir+tmpForCreationBlockDirSuffix] = struct{}{}
// Tmp blocks during creation & deletion; those should be removed on start.
// Tmp blocks during deletion; those should be removed on start.
dir = createBlock(t, tmpDir, genSeries(10, 2, 40, 50))
require.NoError(t, fileutil.Replace(dir, dir+tmpForDeletionBlockDirSuffix))
expectedRemovedDirs[dir+tmpForDeletionBlockDirSuffix] = struct{}{}
// Pre-2.21 tmp blocks; those should be removed on start.
dir = createBlock(t, tmpDir, genSeries(10, 2, 50, 60))
require.NoError(t, fileutil.Replace(dir, dir+tmpLegacy))
expectedRemovedDirs[dir+tmpLegacy] = struct{}{}
}
{
// One ok block; but two should be replaced.