milvus/internal/datanode/rate_collector.go
bigsheeper f0c616050a
Reduce and improve quota center log (#20058)
Signed-off-by: bigsheeper <yihao.dai@zilliz.com>

Signed-off-by: bigsheeper <yihao.dai@zilliz.com>
2022-10-25 19:39:30 +08:00

74 lines
2.3 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 datanode
import (
"sync"
"github.com/milvus-io/milvus/internal/util/ratelimitutil"
"github.com/milvus-io/milvus/internal/util/typeutil"
)
// rateCollector helps to collect and calculate values (like rate, timeTick and etc...).
type rateCollector struct {
*ratelimitutil.RateCollector
flowGraphTtMu sync.Mutex
flowGraphTt map[string]Timestamp
}
// newRateCollector returns a new rateCollector.
func newRateCollector() (*rateCollector, error) {
rc, err := ratelimitutil.NewRateCollector(ratelimitutil.DefaultWindow, ratelimitutil.DefaultGranularity)
if err != nil {
return nil, err
}
return &rateCollector{
RateCollector: rc,
flowGraphTt: make(map[string]Timestamp),
}, nil
}
// updateFlowGraphTt updates rateCollector's flow graph time tick.
func (r *rateCollector) updateFlowGraphTt(channel string, t Timestamp) {
r.flowGraphTtMu.Lock()
defer r.flowGraphTtMu.Unlock()
r.flowGraphTt[channel] = t
}
// removeFlowGraphChannel removes channel from flowGraphTt.
func (r *rateCollector) removeFlowGraphChannel(channel string) {
r.flowGraphTtMu.Lock()
defer r.flowGraphTtMu.Unlock()
delete(r.flowGraphTt, channel)
}
// getMinFlowGraphTt returns the vchannel and minimal time tick of flow graphs.
func (r *rateCollector) getMinFlowGraphTt() (string, Timestamp) {
r.flowGraphTtMu.Lock()
defer r.flowGraphTtMu.Unlock()
minTt := typeutil.MaxTimestamp
var channel string
for c, t := range r.flowGraphTt {
if minTt > t {
minTt = t
channel = c
}
}
return channel, minTt
}