mirrors/gotosocial
1
0
Fork 0
mirror of https://github.com/superseriousbusiness/gotosocial.git synced 2025-10-29 13:12:25 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

[feature] simpler cache size configuration (#2051)

Browse source 
* add automatic cache max size generation based on ratios of a singular fixed memory target

Signed-off-by: kim <grufwub@gmail.com>

* remove now-unused cache max-size config variables

Signed-off-by: kim <grufwub@gmail.com>

* slight ratio tweak

Signed-off-by: kim <grufwub@gmail.com>

* remove unused visibility config var

Signed-off-by: kim <grufwub@gmail.com>

* add secret little ratio config trick

Signed-off-by: kim <grufwub@gmail.com>

* fixed a word

Signed-off-by: kim <grufwub@gmail.com>

* update cache library to remove use of TTL in result caches + slice cache

Signed-off-by: kim <grufwub@gmail.com>

* update other cache usages to use correct interface

Signed-off-by: kim <grufwub@gmail.com>

* update example config to explain the cache memory target

Signed-off-by: kim <grufwub@gmail.com>

* update env parsing test with new config values

Signed-off-by: kim <grufwub@gmail.com>

* do some ratio twiddling

Signed-off-by: kim <grufwub@gmail.com>

* add missing header

* update envparsing with latest defaults

Signed-off-by: kim <grufwub@gmail.com>

* update size calculations to take into account result cache, simple cache and extra map overheads

Signed-off-by: kim <grufwub@gmail.com>

* tweak the ratios some more

Signed-off-by: kim <grufwub@gmail.com>

* more nan rampaging

Signed-off-by: kim <grufwub@gmail.com>

* fix envparsing script

Signed-off-by: kim <grufwub@gmail.com>

* update cache library, add sweep function to keep caches trim

Signed-off-by: kim <grufwub@gmail.com>

* sweep caches once a minute

Signed-off-by: kim <grufwub@gmail.com>

* add a regular job to sweep caches and keep under 80% utilisation

Signed-off-by: kim <grufwub@gmail.com>

* remove dead code

Signed-off-by: kim <grufwub@gmail.com>

* add new size library used to libraries section of readme

Signed-off-by: kim <grufwub@gmail.com>

* add better explanations for the mem-ratio numbers

Signed-off-by: kim <grufwub@gmail.com>

* update go-cache

Signed-off-by: kim <grufwub@gmail.com>

* library version bump

Signed-off-by: kim <grufwub@gmail.com>

* update cache.result{} size model estimation

Signed-off-by: kim <grufwub@gmail.com>

---------

Signed-off-by: kim <grufwub@gmail.com>
This commit is contained in:
kim 2023-08-03 10:34:35 +01:00 • committed by GitHub
commit 00adf18c24
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
32 changed files with 2115 additions and 2330 deletions
Download patch file Download diff file Expand all files Collapse all files

33
internal/cache/cache.go vendored
View file

@ -204,3 +204,36 @@ func (c *Caches) setuphooks() {
c.Visibility.Invalidate("RequesterID", user.AccountID)
})
}
// Sweep will sweep all the available caches to ensure none
// are above threshold percent full to their total capacity.
//
// This helps with cache performance, as a full cache will
// require an eviction on every single write, which adds
// significant overhead to all cache writes.
func (c *Caches) Sweep(threshold float64) {
c.GTS.Account().Trim(threshold)
c.GTS.AccountNote().Trim(threshold)
c.GTS.Block().Trim(threshold)
c.GTS.BlockIDs().Trim(threshold)
c.GTS.Emoji().Trim(threshold)
c.GTS.EmojiCategory().Trim(threshold)
c.GTS.Follow().Trim(threshold)
c.GTS.FollowIDs().Trim(threshold)
c.GTS.FollowRequest().Trim(threshold)
c.GTS.FollowRequestIDs().Trim(threshold)
c.GTS.Instance().Trim(threshold)
c.GTS.List().Trim(threshold)
c.GTS.ListEntry().Trim(threshold)
c.GTS.Marker().Trim(threshold)
c.GTS.Media().Trim(threshold)
c.GTS.Mention().Trim(threshold)
c.GTS.Notification().Trim(threshold)
c.GTS.Report().Trim(threshold)
c.GTS.Status().Trim(threshold)
c.GTS.StatusFave().Trim(threshold)
c.GTS.Tag().Trim(threshold)
c.GTS.Tombstone().Trim(threshold)
c.GTS.User().Trim(threshold)
c.Visibility.Trim(threshold)
}