mirror of
https://github.com/prometheus/prometheus.git
synced 2024-09-21 00:07:36 -07:00
104 lines
3.2 KiB
Go
104 lines
3.2 KiB
Go
// Copyright 2014 Prometheus Team
|
|
// Licensed 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 local
|
|
|
|
import (
|
|
clientmodel "github.com/prometheus/client_golang/model"
|
|
)
|
|
|
|
// memorySeriesPreloader is a Preloader for the memorySeriesStorage.
|
|
type memorySeriesPreloader struct {
|
|
storage *memorySeriesStorage
|
|
pinnedChunkDescs chunkDescs
|
|
}
|
|
|
|
// PreloadRange implements Preloader.
|
|
func (p *memorySeriesPreloader) PreloadRange(fp clientmodel.Fingerprint, from clientmodel.Timestamp, through clientmodel.Timestamp) error {
|
|
cds, err := p.storage.preloadChunksForRange(fp, from, through)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
p.pinnedChunkDescs = append(p.pinnedChunkDescs, cds...)
|
|
return nil
|
|
}
|
|
|
|
/*
|
|
// GetMetricAtTime implements Preloader.
|
|
func (p *memorySeriesPreloader) GetMetricAtTime(fp clientmodel.Fingerprint, t clientmodel.Timestamp) error {
|
|
cds, err := p.storage.preloadChunks(fp, &timeSelector{
|
|
from: t,
|
|
through: t,
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
p.pinnedChunkDescs = append(p.pinnedChunkDescs, cds...)
|
|
return nil
|
|
}
|
|
|
|
// GetMetricAtInterval implements Preloader.
|
|
func (p *memorySeriesPreloader) GetMetricAtInterval(fp clientmodel.Fingerprint, from, through clientmodel.Timestamp, interval time.Duration) error {
|
|
cds, err := p.storage.preloadChunks(fp, &timeSelector{
|
|
from: from,
|
|
through: through,
|
|
interval: interval,
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
p.pinnedChunkDescs = append(p.pinnedChunkDescs, cds...)
|
|
return
|
|
}
|
|
|
|
// GetMetricRange implements Preloader.
|
|
func (p *memorySeriesPreloader) GetMetricRange(fp clientmodel.Fingerprint, t clientmodel.Timestamp, rangeDuration time.Duration) error {
|
|
cds, err := p.storage.preloadChunks(fp, &timeSelector{
|
|
from: t,
|
|
through: t,
|
|
rangeDuration: through.Sub(from),
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
p.pinnedChunkDescs = append(p.pinnedChunkDescs, cds...)
|
|
return
|
|
}
|
|
|
|
// GetMetricRangeAtInterval implements Preloader.
|
|
func (p *memorySeriesPreloader) GetMetricRangeAtInterval(fp clientmodel.Fingerprint, from, through clientmodel.Timestamp, interval, rangeDuration time.Duration) error {
|
|
cds, err := p.storage.preloadChunks(fp, &timeSelector{
|
|
from: from,
|
|
through: through,
|
|
interval: interval,
|
|
rangeDuration: rangeDuration,
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
p.pinnedChunkDescs = append(p.pinnedChunkDescs, cds...)
|
|
return
|
|
}
|
|
*/
|
|
|
|
// Close implements Preloader.
|
|
func (p *memorySeriesPreloader) Close() {
|
|
for _, cd := range p.pinnedChunkDescs {
|
|
// TODO: unpinning may synchronously cause closing of chunks if they have
|
|
// been marked to be evicted. This could interfere with other parts of the
|
|
// storage that check whether a chunk is swapped in or not. Is it a good
|
|
// idea / sufficient to take the storage lock here?
|
|
cd.unpin()
|
|
}
|
|
}
|