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[#1367] writecache: Drop bbolt DB

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Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>
This commit is contained in:
Dmitrii Stepanov 2024-09-09 18:37:06 +03:00
parent 66e17f4b8e
commit 5f6c7cbdb1
12 changed files with 82 additions and 415 deletions
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35
pkg/local_object_storage/writecache/state.go
View file

@ -1,29 +1,18 @@
package writecache
import (
"fmt"
"math"
"sync/atomic"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/blobstor/fstree"
"go.etcd.io/bbolt"
)
func (c *cache) estimateCacheSize() (uint64, uint64) {
dbCount := c.objCounters.DB()
fsCount := c.objCounters.FS()
if fsCount > 0 {
fsCount-- // db file
}
dbSize := dbCount * c.smallObjectSize
fsSize := fsCount * c.maxObjectSize
c.metrics.SetEstimateSize(dbSize, fsSize)
c.metrics.SetActualCounters(dbCount, fsCount)
return dbCount + fsCount, dbSize + fsSize
}
func (c *cache) hasEnoughSpaceDB() bool {
return c.hasEnoughSpace(c.smallObjectSize)
c.metrics.SetEstimateSize(0, fsSize)
c.metrics.SetActualCounters(0, fsCount)
return fsCount, fsSize
}
func (c *cache) hasEnoughSpaceFS() bool {
@ -41,11 +30,7 @@ func (c *cache) hasEnoughSpace(objectSize uint64) bool {
var _ fstree.FileCounter = &counters{}
type counters struct {
cDB, cFS atomic.Uint64
}
func (x *counters) DB() uint64 {
return x.cDB.Load()
cFS atomic.Uint64
}
func (x *counters) FS() uint64 {
@ -68,18 +53,6 @@ func (x *counters) Dec() {
}
func (c *cache) initCounters() error {
var inDB uint64
err := c.db.View(func(tx *bbolt.Tx) error {
b := tx.Bucket(defaultBucket)
if b != nil {
inDB = uint64(b.Stats().KeyN)
}
return nil
})
if err != nil {
return fmt.Errorf("could not read write-cache DB counter: %w", err)
}
c.objCounters.cDB.Store(inDB)
c.estimateCacheSize()
return nil
}