mirror of https://github.com/milvus-io/milvus.git
82 lines
2.3 KiB
Go
82 lines
2.3 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package segments
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import (
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"context"
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"fmt"
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"time"
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"go.uber.org/atomic"
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"go.uber.org/zap"
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"github.com/milvus-io/milvus/internal/util/segcore"
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"github.com/milvus-io/milvus/pkg/v2/log"
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"github.com/milvus-io/milvus/pkg/v2/metrics"
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"github.com/milvus-io/milvus/pkg/v2/util/paramtable"
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)
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type diskUsageFetcher struct {
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ctx context.Context
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path string
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usage *atomic.Int64
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err *atomic.Error
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}
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func NewDiskUsageFetcher(ctx context.Context) *diskUsageFetcher {
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return &diskUsageFetcher{
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ctx: ctx,
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path: paramtable.Get().LocalStorageCfg.Path.GetValue(),
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usage: atomic.NewInt64(0),
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err: atomic.NewError(nil),
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}
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}
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func (d *diskUsageFetcher) GetDiskUsage() (int64, error) {
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return d.usage.Load(), d.err.Load()
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}
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func (d *diskUsageFetcher) fetch() {
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diskUsage, err := segcore.GetLocalUsedSize(d.path)
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if err != nil {
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log.Warn("failed to get disk usage", zap.Error(err))
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d.err.Store(err)
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return
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}
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d.usage.Store(diskUsage)
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d.err.Store(nil)
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metrics.QueryNodeDiskUsedSize.WithLabelValues(fmt.Sprint(paramtable.GetNodeID())).Set(float64(diskUsage) / 1024 / 1024) // in MB
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log.Ctx(d.ctx).WithRateGroup("diskUsageFetcher", 1, 300).
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RatedInfo(300, "querynode disk usage", zap.Int64("size", diskUsage), zap.Int64("nodeID", paramtable.GetNodeID()))
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}
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func (d *diskUsageFetcher) Start() {
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d.fetch() // Synchronously fetch once before starting.
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interval := paramtable.Get().QueryNodeCfg.DiskSizeFetchInterval.GetAsDuration(time.Second)
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ticker := time.NewTicker(interval)
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defer ticker.Stop()
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for {
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select {
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case <-d.ctx.Done():
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return
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case <-ticker.C:
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d.fetch()
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}
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}
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}
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