milvus/internal/rootcoord/expire_cache.go

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// 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/commonpb"
"github.com/milvus-io/milvus/internal/proto/proxypb"
"github.com/milvus-io/milvus/pkg/util/commonpbutil"
"github.com/milvus-io/milvus/pkg/util/typeutil"
)
type expireCacheConfig struct {
withDropFlag bool
}
func (c expireCacheConfig) apply(req *proxypb.InvalidateCollMetaCacheRequest) {
if !c.withDropFlag {
return
}
if req.GetBase() == nil {
req.Base = commonpbutil.NewMsgBase()
}
req.Base.MsgType = commonpb.MsgType_DropCollection
}
func defaultExpireCacheConfig() expireCacheConfig {
return expireCacheConfig{withDropFlag: false}
}
type expireCacheOpt func(c *expireCacheConfig)
func expireCacheWithDropFlag() expireCacheOpt {
return func(c *expireCacheConfig) {
c.withDropFlag = true
}
}
// ExpireMetaCache will call invalidate collection meta cache
func (c *Core) ExpireMetaCache(ctx context.Context, collNames []string, collectionID UniqueID, ts typeutil.Timestamp, opts ...expireCacheOpt) error {
// if collectionID is specified, invalidate all the collection meta cache with the specified collectionID and return
if collectionID != InvalidCollectionID {
req := proxypb.InvalidateCollMetaCacheRequest{
Base: commonpbutil.NewMsgBase(
commonpbutil.WithTimeStamp(ts),
commonpbutil.WithSourceID(c.session.ServerID),
),
CollectionID: collectionID,
}
return c.proxyClientManager.InvalidateCollectionMetaCache(ctx, &req, opts...)
}
// if only collNames are specified, invalidate the collection meta cache with the specified collectionName
for _, collName := range collNames {
req := proxypb.InvalidateCollMetaCacheRequest{
Base: commonpbutil.NewMsgBase(
commonpbutil.WithMsgType(0), //TODO, msg type
commonpbutil.WithMsgID(0), //TODO, msg id
commonpbutil.WithTimeStamp(ts),
commonpbutil.WithSourceID(c.session.ServerID),
),
CollectionName: collName,
}
err := c.proxyClientManager.InvalidateCollectionMetaCache(ctx, &req, opts...)
if err != nil {
// TODO: try to expire all or directly return err?
return err
}
}
return nil
}