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rpl optimize

This commit is contained in:
siddontang 2014-11-18 17:50:22 +08:00
parent 8ab0b84cc2
commit b7cabcbb5f
3 changed files with 6 additions and 7 deletions
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4
ledis/batch.go
View File

@ -104,10 +104,6 @@ func (l *Ledis) handleCommit(g commitDataGetter, c commiter) error {
var err error var err error
if l.r != nil { if l.r != nil {
if b, _ := l.r.CommitIDBehind(); b {
return ErrWriteInROnly
}
var rl *rpl.Log var rl *rpl.Log
if rl, err = l.r.Log(g.Data()); err != nil { if rl, err = l.r.Log(g.Data()); err != nil {
log.Fatal("write wal error %s", err.Error()) log.Fatal("write wal error %s", err.Error())

2
rpl/rpl.go
View File

@ -124,6 +124,8 @@ func (r *Replication) Log(data []byte) (*Log, error) {
commitId := r.commitID commitId := r.commitID
if lastID < commitId { if lastID < commitId {
lastID = commitId lastID = commitId
} else if lastID > commitId {
return nil, ErrCommitIDBehind
} }
l := new(Log) l := new(Log)

7
rpl/store.go
View File

@ -9,9 +9,10 @@ const (
) )
var ( var (
ErrLogNotFound = errors.New("log not found") ErrLogNotFound = errors.New("log not found")
ErrStoreLogID = errors.New("log id is less") ErrStoreLogID = errors.New("log id is less")
ErrNoBehindLog = errors.New("no behind commit log") ErrNoBehindLog = errors.New("no behind commit log")
ErrCommitIDBehind = errors.New("commit id is behind last log id")
) )
type LogStore interface { type LogStore interface {