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replay.go
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replay.go
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// Copyright 2021 Matrix Origin
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package store
import (
"github.com/matrixorigin/matrixone/pkg/vm/engine/tae/logstore/driver/entry"
)
func (w *StoreImpl) Replay(h ApplyHandle) error {
err := w.driver.Replay(func(e *entry.Entry) {
err := w.replayEntry(e, h)
if err != nil {
panic(err)
}
})
if err != nil {
panic(err)
}
lsn, err := w.driver.GetTruncated()
if err != nil {
panic(err)
}
w.StoreInfo.onCheckpoint()
w.driverCheckpointed = lsn
w.driverCheckpointing.Store(lsn)
for g, lsn := range w.syncing {
w.walCurrentLsn[g] = lsn
w.synced[g] = lsn
}
for g, ckped := range w.checkpointed {
if w.walCurrentLsn[g] == 0 {
w.walCurrentLsn[g] = ckped
w.synced[g] = ckped
}
if w.minLsn[g] <= w.driverCheckpointed {
minLsn := w.minLsn[g]
for ; minLsn <= ckped+1; minLsn++ {
drLsn, err := w.getDriverLsn(g, minLsn)
if err == nil && drLsn > w.driverCheckpointed {
break
}
}
w.minLsn[g] = minLsn
}
}
return nil
}
func (w *StoreImpl) onReplayLsn(g uint32, lsn uint64) {
_, ok := w.minLsn[g]
if !ok {
w.minLsn[g] = lsn
}
}
func (w *StoreImpl) replayEntry(e *entry.Entry, h ApplyHandle) error {
walEntry := e.Entry
info := e.Info
switch info.Group {
case GroupInternal:
w.unmarshalPostCommitEntry(walEntry.GetPayload())
w.checkpointed[GroupCKP] = info.TargetLsn
return nil
case GroupCKP:
w.logCheckpointInfo(info)
}
w.logDriverLsn(e)
w.onReplayLsn(info.Group, info.GroupLSN)
h(info.Group, info.GroupLSN, walEntry.GetPayload(), walEntry.GetType(), walEntry.GetInfo())
return nil
}