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Signed-off-by: Krasi Georgiev <kgeorgie@redhat.com>
This commit is contained in:
Krasi Georgiev 2019-01-30 11:40:55 +02:00
parent 315de4c782
commit 6c34eb8b63
2 changed files with 11 additions and 12 deletions
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17
compact_test.go
View File

@ -765,21 +765,21 @@ func TestDeleteCompactionBlockAfterFailedReload(t *testing.T) {
testutil.Ok(t, err)
testutil.Ok(t, app.Commit())
return 1
return 0
},
"Test Block Compaction": func(db *DB) int {
expBlocks := []*BlockMeta{
blocks := []*BlockMeta{
{MinTime: 0, MaxTime: 100},
{MinTime: 100, MaxTime: 150},
{MinTime: 150, MaxTime: 200},
}
for _, m := range expBlocks {
for _, m := range blocks {
createBlock(t, db.Dir(), genSeries(1, 1, m.MinTime, m.MaxTime))
}
testutil.Ok(t, db.reload())
testutil.Equals(t, len(expBlocks), len(db.Blocks()), "unexpected block count after a reload")
testutil.Equals(t, len(blocks), len(db.Blocks()), "unexpected block count after a reload")
return len(expBlocks) + 1
return len(blocks)
},
}
@ -801,15 +801,14 @@ func TestDeleteCompactionBlockAfterFailedReload(t *testing.T) {
lastBlockIndex := path.Join(blockPath, indexFilename)
actBlocks, err := blockDirs(db.Dir())
testutil.Ok(t, err)
testutil.Equals(t, expBlocks, len(actBlocks))
testutil.Equals(t, expBlocks, len(actBlocks)-1) // -1 to exclude the corrupted block.
testutil.Ok(t, os.RemoveAll(lastBlockIndex)) // Corrupt the block by removing the index file.
testutil.Equals(t, 0.0, prom_testutil.ToFloat64(db.metrics.reloadsFailed), "initial 'failed db reload' count metrics mismatch")
testutil.Equals(t, 0.0, prom_testutil.ToFloat64(db.compactor.(*LeveledCompactor).metrics.ran), "initial `compactions` count metric mismatch")
// Do the compaction and check the metrics.
// Since the most recent block is not included in the compaction,
// the compaction should succeed, but the reload should fail and
// Compaction should succeed, but the reload should fail and
// the new block created from the compaction should be deleted.
db.EnableCompactions()
testutil.NotOk(t, db.compact())
@ -817,7 +816,7 @@ func TestDeleteCompactionBlockAfterFailedReload(t *testing.T) {
testutil.Equals(t, 1.0, prom_testutil.ToFloat64(db.compactor.(*LeveledCompactor).metrics.ran), "`compaction` count metric mismatch")
actBlocks, err = blockDirs(db.Dir())
testutil.Ok(t, err)
testutil.Equals(t, expBlocks, len(actBlocks))
testutil.Equals(t, expBlocks, len(actBlocks)-1, "block count should be the same as before the compaction") // -1 to exclude the corrupted block.
})
}
}

4
db.go
View File

@ -426,7 +426,7 @@ func (db *DB) compact() (err error) {
if err := db.reload(); err != nil {
if err := os.RemoveAll(filepath.Join(db.dir, uid.String())); err != nil {
return errors.Wrapf(err, "delete persisted head block after unsuccessful db reload:%s", uid)
return errors.Wrapf(err, "delete persisted head block after failed db reload:%s", uid)
}
return errors.Wrap(err, "reload blocks")
}
@ -465,7 +465,7 @@ func (db *DB) compact() (err error) {
if err := db.reload(); err != nil {
if err := os.RemoveAll(filepath.Join(db.dir, uid.String())); err != nil {
return errors.Wrapf(err, "delete compacted block after unsuccessful db reload:%s", uid)
return errors.Wrapf(err, "delete compacted block after failed db reload:%s", uid)
}
return errors.Wrap(err, "reload blocks")
}