fix-up tsdb-typo (#5954)

Signed-off-by: chentanjun <2799194073@qq.com>

tsdb/CHANGELOG.md

@@ -78,7 +78,7 @@
  - [ENHANCEMENT] When closing the db any running compaction will be cancelled so it doesn't block.
    - `NewLeveledCompactor` takes a context.
  - [CHANGE] `prometheus_tsdb_storage_blocks_bytes_total` is now `prometheus_tsdb_storage_blocks_bytes`.
- - [BUGFIX] Improved Postings Merge performance. Fixes a regression from the the previous release.
+ - [BUGFIX] Improved Postings Merge performance. Fixes a regression from the previous release.
  - [BUGFIX] LiveReader can get into an infinite loop on corrupt WALs.
 
 ## 0.4.0

tsdb/db_test.go

@@ -1112,7 +1112,7 @@ func TestSizeRetention(t *testing.T) {
 	// Test that registered size matches the actual disk size.
 	testutil.Ok(t, db.reload())                                       // Reload the db to register the new db size.
 	testutil.Equals(t, len(blocks), len(db.Blocks()))                 // Ensure all blocks are registered.
-	expSize := int64(prom_testutil.ToFloat64(db.metrics.blocksBytes)) // Use the the actual internal metrics.
+	expSize := int64(prom_testutil.ToFloat64(db.metrics.blocksBytes)) // Use the actual internal metrics.
 	actSize := testutil.DirSize(t, db.Dir())
 	testutil.Equals(t, expSize, actSize, "registered size doesn't match actual disk size")
 

tsdb/querier_test.go

@@ -570,7 +570,7 @@ func TestBaseChunkSeries(t *testing.T) {
 
 	cases := []struct {
 		series []refdSeries
-		// Postings should be in the sorted order of the the series
+		// Postings should be in the sorted order of the series
 		postings []uint64
 
 		expIdxs []int

tsdb/wal.go

@@ -280,7 +280,7 @@ func (w *SegmentWAL) truncate(err error, file int, lastOffset int64) error {
 	return err
 }
 
-// Reader returns a new reader over the the write ahead log data.
+// Reader returns a new reader over the write ahead log data.
 // It must be completely consumed before writing to the WAL.
 func (w *SegmentWAL) Reader() WALReader {
 	return &repairingWALReader{

tsdb/wal/wal.go

@@ -402,7 +402,7 @@ func (w *WAL) Repair(origErr error) error {
 		return errors.Wrap(err, "delete corrupted segment")
 	}
 
-	// Explicitly close the the segment we just repaired to avoid issues with Windows.
+	// Explicitly close the segment we just repaired to avoid issues with Windows.
 	s.Close()
 
 	// We always want to start writing to a new Segment rather than an existing