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[#1296] writecache: Add count limit

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Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>
This commit is contained in:
Dmitrii Stepanov 2024-08-06 15:09:12 +03:00 • committed by Evgenii Stratonikov
parent 36efccd862
commit 08b1f18bca
10 changed files with 65 additions and 20 deletions
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20
pkg/local_object_storage/writecache/state.go
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@ -9,7 +9,7 @@ import (
"go.etcd.io/bbolt"
)
func (c *cache) estimateCacheSize() uint64 {
func (c *cache) estimateCacheSize() (uint64, uint64) {
dbCount := c.objCounters.DB()
fsCount := c.objCounters.FS()
if fsCount > 0 {
@ -19,15 +19,23 @@ func (c *cache) estimateCacheSize() uint64 {
fsSize := fsCount * c.maxObjectSize
c.metrics.SetEstimateSize(dbSize, fsSize)
c.metrics.SetActualCounters(dbCount, fsCount)
return dbSize + fsSize
return dbCount + fsCount, dbSize + fsSize
}
func (c *cache) incSizeDB(sz uint64) uint64 {
return sz + c.smallObjectSize
func (c *cache) hasEnoughSpaceDB() bool {
return c.hasEnoughSpace(c.smallObjectSize)
}
func (c *cache) incSizeFS(sz uint64) uint64 {
return sz + c.maxObjectSize
func (c *cache) hasEnoughSpaceFS() bool {
return c.hasEnoughSpace(c.maxObjectSize)
}
func (c *cache) hasEnoughSpace(objectSize uint64) bool {
count, size := c.estimateCacheSize()
if c.maxCacheCount > 0 && count+1 > c.maxCacheCount {
return false
}
return c.maxCacheSize >= size+objectSize
}
var _ fstree.FileCounter = &counters{}