func (t *BleveDestPartition) applyBatchLOCKED() error {
err := cbgt.Timer(func() error {
// At this point, there should be no other concurrent batch
// activity on this BleveDestPartition (BDP) by design, since
// a BDP represents a single vbucket. Since we don't want to
// block stats gathering or readers trying to read
// seqMax/seqMaxBatch/lastUUID, we unlock before entering the
// (perhaps time consuming) t.bindex.Batch() operation. By
// clearing the t.batch to nil, we can also detect concurrent
// mutations that break this design assumption by seeing any
// crashes that try to access a nil t.batch.
batch := t.batch
t.batch = nil
t.m.Unlock()
err := t.bindex.Batch(batch)
t.m.Lock()
return err
}, t.bdest.stats.TimerBatchStore)
if err != nil {
return err
}
t.seqMaxBatch = t.seqMax
for t.cwrQueue.Len() > 0 &&
t.cwrQueue[0].ConsistencySeq <= t.seqMaxBatch {
cwr := heap.Pop(&t.cwrQueue).(*cbgt.ConsistencyWaitReq)
if cwr != nil && cwr.DoneCh != nil {
close(cwr.DoneCh)
}
}
// TODO: Would be good to reuse batch's memory; but, would need
// some public Reset() kind of method on bleve.Batch?
t.batch = t.bindex.NewBatch()
return nil
}
func (t *BleveDestPartition) applyBatchUnlocked() error {
err := cbgt.Timer(func() error {
return t.bindex.Batch(t.batch)
}, t.bdest.stats.TimerBatchStore)
if err != nil {
return err
}
t.seqMaxBatch = t.seqMax
for t.cwrQueue.Len() > 0 &&
t.cwrQueue[0].ConsistencySeq <= t.seqMaxBatch {
cwr := heap.Pop(&t.cwrQueue).(*cbgt.ConsistencyWaitReq)
if cwr != nil && cwr.DoneCh != nil {
close(cwr.DoneCh)
}
}
// TODO: Would be good to reuse batch's memory; but, would need
// some public Reset() kind of method on bleve.Batch?
t.batch = t.bindex.NewBatch()
return nil
}