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use pipeline to save some time

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This commit is contained in:
Chris Lu 2021-10-06 20:40:16 -07:00
parent 7584f758b8
commit 2336a397dc
2 changed files with 31 additions and 10 deletions
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25
weed/filer/redis3/ItemList.go
View file

@ -66,6 +66,24 @@ There are multiple cases after finding the name for greater or equal node
return
*/
func (nl *ItemList) canAddMember(node *skiplist.SkipListElementReference, name string) (alreadyContains bool, nodeSize int, err error) {
ctx := context.Background()
pipe := nl.client.TxPipeline()
key := fmt.Sprintf("%s%dm", nl.prefix, node.ElementPointer)
countOperation := pipe.ZLexCount(ctx, key, "-", "+")
scoreOperationt := pipe.ZScore(ctx, key, name)
if _, err = pipe.Exec(ctx); err != nil && err != redis.Nil{
return false, 0, err
}
if err == redis.Nil {
err = nil
}
alreadyContains = scoreOperationt.Err() == nil
nodeSize = int(countOperation.Val())
return
}
func (nl *ItemList) WriteName(name string) error {
lookupKey := []byte(name)
@ -93,13 +111,16 @@ func (nl *ItemList) WriteName(name string) error {
}
if prevNode != nil {
alreadyContains, nodeSize, err := nl.canAddMember(prevNode.Reference(), name)
if err != nil {
return err
}
if alreadyContains {
// case 2.1
if nl.NodeContainsItem(prevNode.Reference(), name) {
return nil
}
// case 2.2
nodeSize := nl.NodeSize(prevNode.Reference())
if nodeSize < nl.batchSize {
return nl.NodeAddMember(prevNode.Reference(), name)
}

14
weed/filer/redis3/kv_directory_children_test.go
View file

@ -58,14 +58,14 @@ func TestNameList(t *testing.T) {
nameList.WriteName(name)
nameList.ListNames("", func(name string) bool {
// println(name)
println(name)
return true
})
if nameList.HasChanges() {
data = nameList.ToBytes()
}
// println()
println()
}
nameList := LoadItemList(data, "/yyy/bin", client, store, maxNameBatchSizeLimit)
@ -76,7 +76,7 @@ func TestNameList(t *testing.T) {
}
func xBenchmarkNameList(b *testing.B) {
func BenchmarkNameList(b *testing.B) {
server, err := tempredis.Start(tempredis.Config{})
if err != nil {
@ -102,7 +102,7 @@ func xBenchmarkNameList(b *testing.B) {
}
}
func xBenchmarkRedis(b *testing.B) {
func BenchmarkRedis(b *testing.B) {
server, err := tempredis.Start(tempredis.Config{})
if err != nil {
@ -120,7 +120,7 @@ func xBenchmarkRedis(b *testing.B) {
}
}
func TestNameListAdd(t *testing.T) {
func xTestNameListAdd(t *testing.T) {
server, err := tempredis.Start(tempredis.Config{})
if err != nil {
@ -169,7 +169,7 @@ func TestNameListAdd(t *testing.T) {
*/
}
func BenchmarkNameList(b *testing.B) {
func xBenchmarkNameList(b *testing.B) {
server, err := tempredis.Start(tempredis.Config{})
if err != nil {
@ -196,7 +196,7 @@ func BenchmarkNameList(b *testing.B) {
}
}
func BenchmarkRedis(b *testing.B) {
func xBenchmarkRedis(b *testing.B) {
client := redis.NewClient(&redis.Options{
Addr: "localhost:6379",