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lib/storage: reorder mergeBlockStreams() args in order to make them more consistent

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This commit is contained in:
Aliaksandr Valialkin 2020-07-22 21:57:44 +03:00
parent e4303d3d21
commit 228d137936
4 changed files with 9 additions and 9 deletions
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10
lib/storage/merge.go
View file

@ -14,13 +14,13 @@ import (
// mergeBlockStreams returns immediately if stopCh is closed.
//
// rowsMerged is atomically updated with the number of merged rows during the merge.
func mergeBlockStreams(ph *partHeader, bsw *blockStreamWriter, bsrs []*blockStreamReader, stopCh <-chan struct{}, rowsMerged *uint64,
deletedMetricIDs *uint64set.Set, rowsDeleted *uint64) error {
func mergeBlockStreams(ph *partHeader, bsw *blockStreamWriter, bsrs []*blockStreamReader, stopCh <-chan struct{},
deletedMetricIDs *uint64set.Set, rowsMerged, rowsDeleted *uint64) error {
ph.Reset()
bsm := bsmPool.Get().(*blockStreamMerger)
bsm.Init(bsrs)
err := mergeBlockStreamsInternal(ph, bsw, bsm, stopCh, rowsMerged, deletedMetricIDs, rowsDeleted)
err := mergeBlockStreamsInternal(ph, bsw, bsm, stopCh, deletedMetricIDs, rowsMerged, rowsDeleted)
bsm.reset()
bsmPool.Put(bsm)
bsw.MustClose()
@ -41,8 +41,8 @@ var bsmPool = &sync.Pool{
var errForciblyStopped = fmt.Errorf("forcibly stopped")
func mergeBlockStreamsInternal(ph *partHeader, bsw *blockStreamWriter, bsm *blockStreamMerger, stopCh <-chan struct{}, rowsMerged *uint64,
deletedMetricIDs *uint64set.Set, rowsDeleted *uint64) error {
func mergeBlockStreamsInternal(ph *partHeader, bsw *blockStreamWriter, bsm *blockStreamMerger, stopCh <-chan struct{},
deletedMetricIDs *uint64set.Set, rowsMerged, rowsDeleted *uint64) error {
// Search for the first block to merge
var pendingBlock *Block
for bsm.NextBlock() {

4
lib/storage/merge_test.go
View file

@ -364,7 +364,7 @@ func TestMergeForciblyStop(t *testing.T) {
ch := make(chan struct{})
var rowsMerged, rowsDeleted uint64
close(ch)
if err := mergeBlockStreams(&mp.ph, &bsw, bsrs, ch, &rowsMerged, nil, &rowsDeleted); err != errForciblyStopped {
if err := mergeBlockStreams(&mp.ph, &bsw, bsrs, ch, nil, &rowsMerged, &rowsDeleted); err != errForciblyStopped {
t.Fatalf("unexpected error in mergeBlockStreams: got %v; want %v", err, errForciblyStopped)
}
if rowsMerged != 0 {
@ -384,7 +384,7 @@ func testMergeBlockStreams(t *testing.T, bsrs []*blockStreamReader, expectedBloc
bsw.InitFromInmemoryPart(&mp)
var rowsMerged, rowsDeleted uint64
if err := mergeBlockStreams(&mp.ph, &bsw, bsrs, nil, &rowsMerged, nil, &rowsDeleted); err != nil {
if err := mergeBlockStreams(&mp.ph, &bsw, bsrs, nil, nil, &rowsMerged, &rowsDeleted); err != nil {
t.Fatalf("unexpected error in mergeBlockStreams: %s", err)
}

2
lib/storage/merge_timing_test.go
View file

@ -41,7 +41,7 @@ func benchmarkMergeBlockStreams(b *testing.B, mps []*inmemoryPart, rowsPerLoop i
}
mpOut.Reset()
bsw.InitFromInmemoryPart(&mpOut)
if err := mergeBlockStreams(&mpOut.ph, &bsw, bsrs, nil, &rowsMerged, nil, &rowsDeleted); err != nil {
if err := mergeBlockStreams(&mpOut.ph, &bsw, bsrs, nil, nil, &rowsMerged, &rowsDeleted); err != nil {
panic(fmt.Errorf("cannot merge block streams: %w", err))
}
}

2
lib/storage/partition.go
View file

@ -1066,7 +1066,7 @@ func (pt *partition) mergeParts(pws []*partWrapper, stopCh <-chan struct{}) erro
rowsDeleted = &pt.bigRowsDeleted
}
dmis := pt.getDeletedMetricIDs()
err := mergeBlockStreams(&ph, bsw, bsrs, stopCh, rowsMerged, dmis, rowsDeleted)
err := mergeBlockStreams(&ph, bsw, bsrs, stopCh, dmis, rowsMerged, rowsDeleted)
putBlockStreamWriter(bsw)
if err != nil {
if err == errForciblyStopped {