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perf: add concurrency and pipeline mode for redis cache

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Signed-off-by: rfyiamcool <rfyiamcool@163.com>
This commit is contained in:
rfyiamcool 2023-11-04 22:52:19 +08:00
parent 62e9980f3c
commit b9c18a601e
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GPG Key ID: EBA61C4D83B4DC5C
1 changed files with 133 additions and 50 deletions
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183
pkg/common/db/cache/msg.go vendored
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@ -21,6 +21,7 @@ import (
"time"
"github.com/dtm-labs/rockscache"
"golang.org/x/sync/errgroup"
unrelationtb "github.com/openimsdk/open-im-server/v3/pkg/common/db/table/unrelation"
@ -62,6 +63,8 @@ const (
uidPidToken = "UID_PID_TOKEN_STATUS:"
)
var concurrentLimit = 3
type SeqCache interface {
SetMaxSeq(ctx context.Context, conversationID string, maxSeq int64) error
GetMaxSeqs(ctx context.Context, conversationIDs []string) (map[string]int64, error)
@ -345,85 +348,165 @@ func (c *msgCache) allMessageCacheKey(conversationID string) string {
}
func (c *msgCache) GetMessagesBySeq(ctx context.Context, conversationID string, seqs []int64) (seqMsgs []*sdkws.MsgData, failedSeqs []int64, err error) {
if config.Config.Redis.EnablePipeline {
return c.PipeGetMessagesBySeq(ctx, conversationID, seqs)
}
return c.ParallelGetMessagesBySeq(ctx, conversationID, seqs)
}
func (c *msgCache) PipeGetMessagesBySeq(ctx context.Context, conversationID string, seqs []int64) (seqMsgs []*sdkws.MsgData, failedSeqs []int64, err error) {
pipe := c.rdb.Pipeline()
results := []*redis.StringCmd{}
for _, seq := range seqs {
res, err := c.rdb.Get(ctx, c.getMessageCacheKey(conversationID, seq)).Result()
if err != nil {
log.ZError(ctx, "GetMessagesBySeq failed", err, "conversationID", conversationID, "seq", seq)
results = append(results, pipe.Get(ctx, c.getMessageCacheKey(conversationID, seq)))
}
_, err = pipe.Exec(ctx)
if err != nil && err != redis.Nil {
return seqMsgs, failedSeqs, errs.Wrap(err, "pipe.get")
}
for idx, res := range results {
seq := seqs[idx]
if res.Err() != nil {
log.ZError(ctx, "GetMessagesBySeq failed", err, "conversationID", conversationID, "seq", seq, "err", res.Err())
failedSeqs = append(failedSeqs, seq)
continue
}
msg := sdkws.MsgData{}
if err = msgprocessor.String2Pb(res, &msg); err != nil {
if err = msgprocessor.String2Pb(res.Val(), &msg); err != nil {
log.ZError(ctx, "GetMessagesBySeq Unmarshal failed", err, "res", res, "conversationID", conversationID, "seq", seq)
failedSeqs = append(failedSeqs, seq)
continue
}
if msg.Status == constant.MsgDeleted {
failedSeqs = append(failedSeqs, seq)
continue
}
seqMsgs = append(seqMsgs, &msg)
}
return
//pipe := c.rdb.Pipeline()
//for _, v := range seqs {
// // MESSAGE_CACHE:169.254.225.224_reliability1653387820_0_1
// key := c.getMessageCacheKey(conversationID, v)
// if err := pipe.Get(ctx, key).Err(); err != nil && err != redis.Nil {
// return nil, nil, err
// }
//}
//result, err := pipe.Exec(ctx)
//for i, v := range result {
// cmd := v.(*redis.StringCmd)
// if cmd.Err() != nil {
// failedSeqs = append(failedSeqs, seqs[i])
// } else {
// msg := sdkws.MsgData{}
// err = msgprocessor.String2Pb(cmd.Val(), &msg)
// if err == nil {
// if msg.Status != constant.MsgDeleted {
// seqMsgs = append(seqMsgs, &msg)
// continue
// }
// } else {
// log.ZWarn(ctx, "UnmarshalString failed", err, "conversationID", conversationID, "seq", seqs[i], "msg", cmd.Val())
// }
// failedSeqs = append(failedSeqs, seqs[i])
// }
//}
//return seqMsgs, failedSeqs, err
}
func (c *msgCache) ParallelGetMessagesBySeq(ctx context.Context, conversationID string, seqs []int64) (seqMsgs []*sdkws.MsgData, failedSeqs []int64, err error) {
type entry struct {
err error
msg *sdkws.MsgData
}
wg := errgroup.Group{}
wg.SetLimit(concurrentLimit)
results := make([]entry, len(seqs)) // set slice len/cap to length of seqs.
for idx, seq := range seqs {
// closure safe var
idx := idx
seq := seq
wg.Go(func() error {
res, err := c.rdb.Get(ctx, c.getMessageCacheKey(conversationID, seq)).Result()
if err != nil {
log.ZError(ctx, "GetMessagesBySeq failed", err, "conversationID", conversationID, "seq", seq)
results[idx] = entry{err: err}
return nil
}
msg := sdkws.MsgData{}
if err = msgprocessor.String2Pb(res, &msg); err != nil {
log.ZError(ctx, "GetMessagesBySeq Unmarshal failed", err, "res", res, "conversationID", conversationID, "seq", seq)
results[idx] = entry{err: err}
return nil
}
if msg.Status == constant.MsgDeleted {
results[idx] = entry{err: err}
return nil
}
results[idx] = entry{msg: &msg}
return nil
})
}
_ = wg.Wait()
for idx, res := range results {
if res.err != nil {
failedSeqs = append(failedSeqs, seqs[idx])
continue
}
seqMsgs = append(seqMsgs, res.msg)
}
return
}
func (c *msgCache) SetMessageToCache(ctx context.Context, conversationID string, msgs []*sdkws.MsgData) (int, error) {
if config.Config.Redis.EnablePipeline {
return c.PipeSetMessageToCache(ctx, conversationID, msgs)
}
return c.ParallelSetMessageToCache(ctx, conversationID, msgs)
}
func (c *msgCache) PipeSetMessageToCache(ctx context.Context, conversationID string, msgs []*sdkws.MsgData) (int, error) {
pipe := c.rdb.Pipeline()
for _, msg := range msgs {
s, err := msgprocessor.Pb2String(msg)
if err != nil {
return 0, errs.Wrap(err)
return 0, errs.Wrap(err, "pb.marshal")
}
key := c.getMessageCacheKey(conversationID, msg.Seq)
if err := c.rdb.Set(ctx, key, s, time.Duration(config.Config.MsgCacheTimeout)*time.Second).Err(); err != nil {
_ = pipe.Set(ctx, key, s, time.Duration(config.Config.MsgCacheTimeout)*time.Second)
}
results, err := pipe.Exec(ctx)
if err != nil {
return 0, errs.Wrap(err, "pipe.set")
}
for _, res := range results {
if res.Err() != nil {
return 0, errs.Wrap(err)
}
}
return len(msgs), nil
}
func (c *msgCache) ParallelSetMessageToCache(ctx context.Context, conversationID string, msgs []*sdkws.MsgData) (int, error) {
wg := errgroup.Group{}
wg.SetLimit(concurrentLimit)
for _, msg := range msgs {
msg := msg // closure safe var
wg.Go(func() error {
s, err := msgprocessor.Pb2String(msg)
if err != nil {
return errs.Wrap(err)
}
key := c.getMessageCacheKey(conversationID, msg.Seq)
if err := c.rdb.Set(ctx, key, s, time.Duration(config.Config.MsgCacheTimeout)*time.Second).Err(); err != nil {
return errs.Wrap(err)
}
return nil
})
}
err := wg.Wait()
if err != nil {
return 0, err
}
return len(msgs), nil
//pipe := c.rdb.Pipeline()
//var failedMsgs []*sdkws.MsgData
//for _, msg := range msgs {
// key := c.getMessageCacheKey(conversationID, msg.Seq)
// s, err := msgprocessor.Pb2String(msg)
// if err != nil {
// return 0, errs.Wrap(err)
// }
// err = pipe.Set(ctx, key, s, time.Duration(config.Config.MsgCacheTimeout)*time.Second).Err()
// if err != nil {
// failedMsgs = append(failedMsgs, msg)
// log.ZWarn(ctx, "set msg 2 cache failed", err, "msg", failedMsgs)
// }
//}
//_, err := pipe.Exec(ctx)
//return len(failedMsgs), err
}
func (c *msgCache) getMessageDelUserListKey(conversationID string, seq int64) string {