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lib/workingsetcache: do not rotate cache if it is in whole state

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This should reduce the maximum memory usage for the cache in `whole` state
This commit is contained in:
Aliaksandr Valialkin 2022-02-23 15:59:21 +02:00
parent fbac1a9dad
commit d128a5bf99
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GPG key ID: A72BEC6CD3D0DED1
1 changed files with 6 additions and 3 deletions
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9
lib/workingsetcache/cache.go
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@ -172,6 +172,9 @@ func (c *Cache) cacheSizeWatcher() {
return return
case <-t.C: case <-t.C:
} }
if c.loadMode() != split {
continue
}
var cs fastcache.Stats var cs fastcache.Stats
curr := c.curr.Load().(*fastcache.Cache) curr := c.curr.Load().(*fastcache.Cache)
curr.UpdateStats(&cs) curr.UpdateStats(&cs)
@ -188,10 +191,10 @@ func (c *Cache) cacheSizeWatcher() {
// Do this in the following steps: // Do this in the following steps:
// 1) switch to mode=switching // 1) switch to mode=switching
// 2) move curr cache to prev // 2) move curr cache to prev
// 3) create curr with the double size // 3) create curr cache with doubled size
// 4) wait until curr size exceeds maxBytesSize, i.e. it is populated with new data // 4) wait until curr cache size exceeds maxBytesSize, i.e. it is populated with new data
// 5) switch to mode=whole // 5) switch to mode=whole
// 6) drop prev // 6) drop prev cache
c.mu.Lock() c.mu.Lock()
c.setMode(switching) c.setMode(switching)