milvus/internal/rootcoord/create_db_task.go
SimFG f1dd55e0c0
enhance: improve rootcoord task scheduling policy (#37352)
- issue: #30301

Signed-off-by: SimFG <bang.fu@zilliz.com>
2024-11-06 14:48:26 +08:00

60 lines
1.9 KiB
Go

// Licensed to the LF AI & Data foundation under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you 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 rootcoord
import (
"context"
"github.com/milvus-io/milvus-proto/go-api/v2/milvuspb"
"github.com/milvus-io/milvus/internal/metastore/model"
"github.com/milvus-io/milvus/internal/proto/etcdpb"
"github.com/milvus-io/milvus/pkg/util/merr"
)
type createDatabaseTask struct {
baseTask
Req *milvuspb.CreateDatabaseRequest
dbID UniqueID
}
func (t *createDatabaseTask) Prepare(ctx context.Context) error {
dbs, err := t.core.meta.ListDatabases(ctx, t.GetTs())
if err != nil {
return err
}
cfgMaxDatabaseNum := Params.RootCoordCfg.MaxDatabaseNum.GetAsInt()
if len(dbs) > cfgMaxDatabaseNum {
return merr.WrapErrDatabaseNumLimitExceeded(cfgMaxDatabaseNum)
}
t.dbID, err = t.core.idAllocator.AllocOne()
if err != nil {
return err
}
return nil
}
func (t *createDatabaseTask) Execute(ctx context.Context) error {
db := model.NewDatabase(t.dbID, t.Req.GetDbName(), etcdpb.DatabaseState_DatabaseCreated, t.Req.GetProperties())
return t.core.meta.CreateDatabase(ctx, db, t.GetTs())
}
func (t *createDatabaseTask) GetLockerKey() LockerKey {
return NewLockerKeyChain(NewClusterLockerKey(true))
}