milvus/internal/flushcommon/syncmgr/key_lock_dispatcher.go
yihao.dai 6130a85444
enhance: Remove bf from streaming node (#35902)
Remove bf from streaming node:
1. When watching vchannels, skip loading bloom filters for segments.
2. Bypass bloom filter checks for delete messages, directly writing to
L0 segments.
3. Remove flushed segments proactively after flush.

issue: https://github.com/milvus-io/milvus/issues/33285,
https://github.com/milvus-io/milvus/issues/34585

---------

Signed-off-by: bigsheeper <yihao.dai@zilliz.com>
2024-09-03 14:17:02 +08:00

48 lines
1.1 KiB
Go

package syncmgr
import (
"context"
"github.com/milvus-io/milvus-proto/go-api/v2/msgpb"
"github.com/milvus-io/milvus/pkg/util/conc"
"github.com/milvus-io/milvus/pkg/util/lock"
)
type Task interface {
SegmentID() int64
Checkpoint() *msgpb.MsgPosition
StartPosition() *msgpb.MsgPosition
ChannelName() string
Run(context.Context) error
HandleError(error)
IsFlush() bool
}
type keyLockDispatcher[K comparable] struct {
keyLock *lock.KeyLock[K]
workerPool *conc.Pool[struct{}]
}
func newKeyLockDispatcher[K comparable](maxParallel int) *keyLockDispatcher[K] {
dispatcher := &keyLockDispatcher[K]{
workerPool: conc.NewPool[struct{}](maxParallel, conc.WithPreAlloc(false)),
keyLock: lock.NewKeyLock[K](),
}
return dispatcher
}
func (d *keyLockDispatcher[K]) Submit(ctx context.Context, key K, t Task, callbacks ...func(error) error) *conc.Future[struct{}] {
d.keyLock.Lock(key)
return d.workerPool.Submit(func() (struct{}, error) {
defer d.keyLock.Unlock(key)
err := t.Run(ctx)
for _, callback := range callbacks {
err = callback(err)
}
return struct{}{}, err
})
}