gotosocial/internal/cache/gts.go
kim 00adf18c24
[feature] simpler cache size configuration (#2051)
* 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>
2023-08-03 11:34:35 +02:00

736 lines
19 KiB
Go

// GoToSocial
// Copyright (C) GoToSocial Authors admin@gotosocial.org
// SPDX-License-Identifier: AGPL-3.0-or-later
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package cache
import (
"time"
"codeberg.org/gruf/go-cache/v3/result"
"codeberg.org/gruf/go-cache/v3/simple"
"codeberg.org/gruf/go-cache/v3/ttl"
"github.com/superseriousbusiness/gotosocial/internal/cache/domain"
"github.com/superseriousbusiness/gotosocial/internal/config"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/log"
)
type GTSCaches struct {
account *result.Cache[*gtsmodel.Account]
accountNote *result.Cache[*gtsmodel.AccountNote]
block *result.Cache[*gtsmodel.Block]
blockIDs *SliceCache[string]
domainBlock *domain.BlockCache
emoji *result.Cache[*gtsmodel.Emoji]
emojiCategory *result.Cache[*gtsmodel.EmojiCategory]
follow *result.Cache[*gtsmodel.Follow]
followIDs *SliceCache[string]
followRequest *result.Cache[*gtsmodel.FollowRequest]
followRequestIDs *SliceCache[string]
instance *result.Cache[*gtsmodel.Instance]
list *result.Cache[*gtsmodel.List]
listEntry *result.Cache[*gtsmodel.ListEntry]
marker *result.Cache[*gtsmodel.Marker]
media *result.Cache[*gtsmodel.MediaAttachment]
mention *result.Cache[*gtsmodel.Mention]
notification *result.Cache[*gtsmodel.Notification]
report *result.Cache[*gtsmodel.Report]
status *result.Cache[*gtsmodel.Status]
statusFave *result.Cache[*gtsmodel.StatusFave]
tag *result.Cache[*gtsmodel.Tag]
tombstone *result.Cache[*gtsmodel.Tombstone]
user *result.Cache[*gtsmodel.User]
// TODO: move out of GTS caches since unrelated to DB.
webfinger *ttl.Cache[string, string] // TTL=24hr, sweep=5min
}
// Init will initialize all the gtsmodel caches in this collection.
// NOTE: the cache MUST NOT be in use anywhere, this is not thread-safe.
func (c *GTSCaches) Init() {
c.initAccount()
c.initAccountNote()
c.initBlock()
c.initBlockIDs()
c.initDomainBlock()
c.initEmoji()
c.initEmojiCategory()
c.initFollow()
c.initFollowIDs()
c.initFollowRequest()
c.initFollowRequestIDs()
c.initInstance()
c.initList()
c.initListEntry()
c.initMarker()
c.initMedia()
c.initMention()
c.initNotification()
c.initReport()
c.initStatus()
c.initStatusFave()
c.initTag()
c.initTombstone()
c.initUser()
c.initWebfinger()
}
// Start will attempt to start all of the gtsmodel caches, or panic.
func (c *GTSCaches) Start() {
tryUntil("starting *gtsmodel.Webfinger cache", 5, func() bool {
return c.webfinger.Start(5 * time.Minute)
})
}
// Stop will attempt to stop all of the gtsmodel caches, or panic.
func (c *GTSCaches) Stop() {
tryUntil("stopping *gtsmodel.Webfinger cache", 5, c.webfinger.Stop)
}
// Account provides access to the gtsmodel Account database cache.
func (c *GTSCaches) Account() *result.Cache[*gtsmodel.Account] {
return c.account
}
// AccountNote provides access to the gtsmodel Note database cache.
func (c *GTSCaches) AccountNote() *result.Cache[*gtsmodel.AccountNote] {
return c.accountNote
}
// Block provides access to the gtsmodel Block (account) database cache.
func (c *GTSCaches) Block() *result.Cache[*gtsmodel.Block] {
return c.block
}
// FollowIDs provides access to the block IDs database cache.
func (c *GTSCaches) BlockIDs() *SliceCache[string] {
return c.blockIDs
}
// DomainBlock provides access to the domain block database cache.
func (c *GTSCaches) DomainBlock() *domain.BlockCache {
return c.domainBlock
}
// Emoji provides access to the gtsmodel Emoji database cache.
func (c *GTSCaches) Emoji() *result.Cache[*gtsmodel.Emoji] {
return c.emoji
}
// EmojiCategory provides access to the gtsmodel EmojiCategory database cache.
func (c *GTSCaches) EmojiCategory() *result.Cache[*gtsmodel.EmojiCategory] {
return c.emojiCategory
}
// Follow provides access to the gtsmodel Follow database cache.
func (c *GTSCaches) Follow() *result.Cache[*gtsmodel.Follow] {
return c.follow
}
// FollowIDs provides access to the follower / following IDs database cache.
// THIS CACHE IS KEYED AS THE FOLLOWING {prefix}{accountID} WHERE PREFIX IS:
// - '>' for following IDs
// - 'l>' for local following IDs
// - '<' for follower IDs
// - 'l<' for local follower IDs
func (c *GTSCaches) FollowIDs() *SliceCache[string] {
return c.followIDs
}
// FollowRequest provides access to the gtsmodel FollowRequest database cache.
func (c *GTSCaches) FollowRequest() *result.Cache[*gtsmodel.FollowRequest] {
return c.followRequest
}
// FollowRequestIDs provides access to the follow requester / requesting IDs database
// cache. THIS CACHE IS KEYED AS THE FOLLOWING {prefix}{accountID} WHERE PREFIX IS:
// - '>' for following IDs
// - '<' for follower IDs
func (c *GTSCaches) FollowRequestIDs() *SliceCache[string] {
return c.followRequestIDs
}
// Instance provides access to the gtsmodel Instance database cache.
func (c *GTSCaches) Instance() *result.Cache[*gtsmodel.Instance] {
return c.instance
}
// List provides access to the gtsmodel List database cache.
func (c *GTSCaches) List() *result.Cache[*gtsmodel.List] {
return c.list
}
// ListEntry provides access to the gtsmodel ListEntry database cache.
func (c *GTSCaches) ListEntry() *result.Cache[*gtsmodel.ListEntry] {
return c.listEntry
}
// Marker provides access to the gtsmodel Marker database cache.
func (c *GTSCaches) Marker() *result.Cache[*gtsmodel.Marker] {
return c.marker
}
// Media provides access to the gtsmodel Media database cache.
func (c *GTSCaches) Media() *result.Cache[*gtsmodel.MediaAttachment] {
return c.media
}
// Mention provides access to the gtsmodel Mention database cache.
func (c *GTSCaches) Mention() *result.Cache[*gtsmodel.Mention] {
return c.mention
}
// Notification provides access to the gtsmodel Notification database cache.
func (c *GTSCaches) Notification() *result.Cache[*gtsmodel.Notification] {
return c.notification
}
// Report provides access to the gtsmodel Report database cache.
func (c *GTSCaches) Report() *result.Cache[*gtsmodel.Report] {
return c.report
}
// Status provides access to the gtsmodel Status database cache.
func (c *GTSCaches) Status() *result.Cache[*gtsmodel.Status] {
return c.status
}
// StatusFave provides access to the gtsmodel StatusFave database cache.
func (c *GTSCaches) StatusFave() *result.Cache[*gtsmodel.StatusFave] {
return c.statusFave
}
// Tag provides access to the gtsmodel Tag database cache.
func (c *GTSCaches) Tag() *result.Cache[*gtsmodel.Tag] {
return c.tag
}
// Tombstone provides access to the gtsmodel Tombstone database cache.
func (c *GTSCaches) Tombstone() *result.Cache[*gtsmodel.Tombstone] {
return c.tombstone
}
// User provides access to the gtsmodel User database cache.
func (c *GTSCaches) User() *result.Cache[*gtsmodel.User] {
return c.user
}
// Webfinger provides access to the webfinger URL cache.
func (c *GTSCaches) Webfinger() *ttl.Cache[string, string] {
return c.webfinger
}
func (c *GTSCaches) initAccount() {
// Calculate maximum cache size.
cap := calculateResultCacheMax(
sizeofAccount(), // model in-mem size.
config.GetCacheAccountMemRatio(),
)
log.Infof(nil, "Account cache size = %d", cap)
c.account = result.New([]result.Lookup{
{Name: "ID"},
{Name: "URI"},
{Name: "URL"},
{Name: "Username.Domain"},
{Name: "PublicKeyURI"},
{Name: "InboxURI"},
{Name: "OutboxURI"},
{Name: "FollowersURI"},
{Name: "FollowingURI"},
}, func(a1 *gtsmodel.Account) *gtsmodel.Account {
a2 := new(gtsmodel.Account)
*a2 = *a1
return a2
}, cap)
c.account.IgnoreErrors(ignoreErrors)
}
func (c *GTSCaches) initAccountNote() {
// Calculate maximum cache size.
cap := calculateResultCacheMax(
sizeofAccountNote(), // model in-mem size.
config.GetCacheAccountNoteMemRatio(),
)
log.Infof(nil, "AccountNote cache size = %d", cap)
c.accountNote = result.New([]result.Lookup{
{Name: "ID"},
{Name: "AccountID.TargetAccountID"},
}, func(n1 *gtsmodel.AccountNote) *gtsmodel.AccountNote {
n2 := new(gtsmodel.AccountNote)
*n2 = *n1
return n2
}, cap)
c.accountNote.IgnoreErrors(ignoreErrors)
}
func (c *GTSCaches) initBlock() {
// Calculate maximum cache size.
cap := calculateResultCacheMax(
sizeofBlock(), // model in-mem size.
config.GetCacheBlockMemRatio(),
)
log.Infof(nil, "Block cache size = %d", cap)
c.block = result.New([]result.Lookup{
{Name: "ID"},
{Name: "URI"},
{Name: "AccountID.TargetAccountID"},
{Name: "AccountID", Multi: true},
{Name: "TargetAccountID", Multi: true},
}, func(b1 *gtsmodel.Block) *gtsmodel.Block {
b2 := new(gtsmodel.Block)
*b2 = *b1
return b2
}, cap)
c.block.IgnoreErrors(ignoreErrors)
}
func (c *GTSCaches) initBlockIDs() {
// Calculate maximum cache size.
cap := calculateSliceCacheMax(
config.GetCacheBlockIDsMemRatio(),
)
log.Infof(nil, "Block IDs cache size = %d", cap)
c.blockIDs = &SliceCache[string]{Cache: simple.New[string, []string](
0,
cap,
)}
}
func (c *GTSCaches) initDomainBlock() {
c.domainBlock = new(domain.BlockCache)
}
func (c *GTSCaches) initEmoji() {
// Calculate maximum cache size.
cap := calculateResultCacheMax(
sizeofEmoji(), // model in-mem size.
config.GetCacheEmojiMemRatio(),
)
log.Infof(nil, "Emoji cache size = %d", cap)
c.emoji = result.New([]result.Lookup{
{Name: "ID"},
{Name: "URI"},
{Name: "Shortcode.Domain"},
{Name: "ImageStaticURL"},
{Name: "CategoryID", Multi: true},
}, func(e1 *gtsmodel.Emoji) *gtsmodel.Emoji {
e2 := new(gtsmodel.Emoji)
*e2 = *e1
return e2
}, cap)
c.emoji.IgnoreErrors(ignoreErrors)
}
func (c *GTSCaches) initEmojiCategory() {
// Calculate maximum cache size.
cap := calculateResultCacheMax(
sizeofEmojiCategory(), // model in-mem size.
config.GetCacheEmojiCategoryMemRatio(),
)
log.Infof(nil, "EmojiCategory cache size = %d", cap)
c.emojiCategory = result.New([]result.Lookup{
{Name: "ID"},
{Name: "Name"},
}, func(c1 *gtsmodel.EmojiCategory) *gtsmodel.EmojiCategory {
c2 := new(gtsmodel.EmojiCategory)
*c2 = *c1
return c2
}, cap)
c.emojiCategory.IgnoreErrors(ignoreErrors)
}
func (c *GTSCaches) initFollow() {
// Calculate maximum cache size.
cap := calculateResultCacheMax(
sizeofFollow(), // model in-mem size.
config.GetCacheFollowMemRatio(),
)
log.Infof(nil, "Follow cache size = %d", cap)
c.follow = result.New([]result.Lookup{
{Name: "ID"},
{Name: "URI"},
{Name: "AccountID.TargetAccountID"},
{Name: "AccountID", Multi: true},
{Name: "TargetAccountID", Multi: true},
}, func(f1 *gtsmodel.Follow) *gtsmodel.Follow {
f2 := new(gtsmodel.Follow)
*f2 = *f1
return f2
}, cap)
c.follow.IgnoreErrors(ignoreErrors)
}
func (c *GTSCaches) initFollowIDs() {
// Calculate maximum cache size.
cap := calculateSliceCacheMax(
config.GetCacheFollowIDsMemRatio(),
)
log.Infof(nil, "Follow IDs cache size = %d", cap)
c.followIDs = &SliceCache[string]{Cache: simple.New[string, []string](
0,
cap,
)}
}
func (c *GTSCaches) initFollowRequest() {
// Calculate maximum cache size.
cap := calculateResultCacheMax(
sizeofFollowRequest(), // model in-mem size.
config.GetCacheFollowRequestMemRatio(),
)
log.Infof(nil, "FollowRequest cache size = %d", cap)
c.followRequest = result.New([]result.Lookup{
{Name: "ID"},
{Name: "URI"},
{Name: "AccountID.TargetAccountID"},
{Name: "AccountID", Multi: true},
{Name: "TargetAccountID", Multi: true},
}, func(f1 *gtsmodel.FollowRequest) *gtsmodel.FollowRequest {
f2 := new(gtsmodel.FollowRequest)
*f2 = *f1
return f2
}, cap)
c.followRequest.IgnoreErrors(ignoreErrors)
}
func (c *GTSCaches) initFollowRequestIDs() {
// Calculate maximum cache size.
cap := calculateSliceCacheMax(
config.GetCacheFollowRequestIDsMemRatio(),
)
log.Infof(nil, "Follow Request IDs cache size = %d", cap)
c.followRequestIDs = &SliceCache[string]{Cache: simple.New[string, []string](
0,
cap,
)}
}
func (c *GTSCaches) initInstance() {
// Calculate maximum cache size.
cap := calculateResultCacheMax(
sizeofInstance(), // model in-mem size.
config.GetCacheInstanceMemRatio(),
)
log.Infof(nil, "Instance cache size = %d", cap)
c.instance = result.New([]result.Lookup{
{Name: "ID"},
{Name: "Domain"},
}, func(i1 *gtsmodel.Instance) *gtsmodel.Instance {
i2 := new(gtsmodel.Instance)
*i2 = *i1
return i1
}, cap)
c.instance.IgnoreErrors(ignoreErrors)
}
func (c *GTSCaches) initList() {
// Calculate maximum cache size.
cap := calculateResultCacheMax(
sizeofList(), // model in-mem size.
config.GetCacheListMemRatio(),
)
log.Infof(nil, "List cache size = %d", cap)
c.list = result.New([]result.Lookup{
{Name: "ID"},
}, func(l1 *gtsmodel.List) *gtsmodel.List {
l2 := new(gtsmodel.List)
*l2 = *l1
return l2
}, cap)
c.list.IgnoreErrors(ignoreErrors)
}
func (c *GTSCaches) initListEntry() {
// Calculate maximum cache size.
cap := calculateResultCacheMax(
sizeofListEntry(), // model in-mem size.
config.GetCacheListEntryMemRatio(),
)
log.Infof(nil, "ListEntry cache size = %d", cap)
c.listEntry = result.New([]result.Lookup{
{Name: "ID"},
{Name: "ListID", Multi: true},
{Name: "FollowID", Multi: true},
}, func(l1 *gtsmodel.ListEntry) *gtsmodel.ListEntry {
l2 := new(gtsmodel.ListEntry)
*l2 = *l1
return l2
}, cap)
c.listEntry.IgnoreErrors(ignoreErrors)
}
func (c *GTSCaches) initMarker() {
// Calculate maximum cache size.
cap := calculateResultCacheMax(
sizeofMarker(), // model in-mem size.
config.GetCacheMarkerMemRatio(),
)
log.Infof(nil, "Marker cache size = %d", cap)
c.marker = result.New([]result.Lookup{
{Name: "AccountID.Name"},
}, func(m1 *gtsmodel.Marker) *gtsmodel.Marker {
m2 := new(gtsmodel.Marker)
*m2 = *m1
return m2
}, cap)
c.marker.IgnoreErrors(ignoreErrors)
}
func (c *GTSCaches) initMedia() {
// Calculate maximum cache size.
cap := calculateResultCacheMax(
sizeofMedia(), // model in-mem size.
config.GetCacheMediaMemRatio(),
)
log.Infof(nil, "Media cache size = %d", cap)
c.media = result.New([]result.Lookup{
{Name: "ID"},
}, func(m1 *gtsmodel.MediaAttachment) *gtsmodel.MediaAttachment {
m2 := new(gtsmodel.MediaAttachment)
*m2 = *m1
return m2
}, cap)
c.media.IgnoreErrors(ignoreErrors)
}
func (c *GTSCaches) initMention() {
// Calculate maximum cache size.
cap := calculateResultCacheMax(
sizeofMention(), // model in-mem size.
config.GetCacheMentionMemRatio(),
)
log.Infof(nil, "Mention cache size = %d", cap)
c.mention = result.New([]result.Lookup{
{Name: "ID"},
}, func(m1 *gtsmodel.Mention) *gtsmodel.Mention {
m2 := new(gtsmodel.Mention)
*m2 = *m1
return m2
}, cap)
c.mention.IgnoreErrors(ignoreErrors)
}
func (c *GTSCaches) initNotification() {
// Calculate maximum cache size.
cap := calculateResultCacheMax(
sizeofNotification(), // model in-mem size.
config.GetCacheNotificationMemRatio(),
)
log.Infof(nil, "Notification cache size = %d", cap)
c.notification = result.New([]result.Lookup{
{Name: "ID"},
{Name: "NotificationType.TargetAccountID.OriginAccountID.StatusID"},
}, func(n1 *gtsmodel.Notification) *gtsmodel.Notification {
n2 := new(gtsmodel.Notification)
*n2 = *n1
return n2
}, cap)
c.notification.IgnoreErrors(ignoreErrors)
}
func (c *GTSCaches) initReport() {
// Calculate maximum cache size.
cap := calculateResultCacheMax(
sizeofReport(), // model in-mem size.
config.GetCacheReportMemRatio(),
)
log.Infof(nil, "Report cache size = %d", cap)
c.report = result.New([]result.Lookup{
{Name: "ID"},
}, func(r1 *gtsmodel.Report) *gtsmodel.Report {
r2 := new(gtsmodel.Report)
*r2 = *r1
return r2
}, cap)
c.report.IgnoreErrors(ignoreErrors)
}
func (c *GTSCaches) initStatus() {
// Calculate maximum cache size.
cap := calculateResultCacheMax(
sizeofStatus(), // model in-mem size.
config.GetCacheStatusMemRatio(),
)
log.Infof(nil, "Status cache size = %d", cap)
c.status = result.New([]result.Lookup{
{Name: "ID"},
{Name: "URI"},
{Name: "URL"},
}, func(s1 *gtsmodel.Status) *gtsmodel.Status {
s2 := new(gtsmodel.Status)
*s2 = *s1
return s2
}, cap)
c.status.IgnoreErrors(ignoreErrors)
}
func (c *GTSCaches) initStatusFave() {
// Calculate maximum cache size.
cap := calculateResultCacheMax(
sizeofStatusFave(), // model in-mem size.
config.GetCacheStatusFaveMemRatio(),
)
log.Infof(nil, "StatusFave cache size = %d", cap)
c.statusFave = result.New([]result.Lookup{
{Name: "ID"},
{Name: "AccountID.StatusID"},
}, func(f1 *gtsmodel.StatusFave) *gtsmodel.StatusFave {
f2 := new(gtsmodel.StatusFave)
*f2 = *f1
return f2
}, cap)
c.statusFave.IgnoreErrors(ignoreErrors)
}
func (c *GTSCaches) initTag() {
// Calculate maximum cache size.
cap := calculateResultCacheMax(
sizeofTag(), // model in-mem size.
config.GetCacheTagMemRatio(),
)
log.Infof(nil, "Tag cache size = %d", cap)
c.tag = result.New([]result.Lookup{
{Name: "ID"},
{Name: "Name"},
}, func(m1 *gtsmodel.Tag) *gtsmodel.Tag {
m2 := new(gtsmodel.Tag)
*m2 = *m1
return m2
}, cap)
c.tag.IgnoreErrors(ignoreErrors)
}
func (c *GTSCaches) initTombstone() {
// Calculate maximum cache size.
cap := calculateResultCacheMax(
sizeofTombstone(), // model in-mem size.
config.GetCacheTombstoneMemRatio(),
)
log.Infof(nil, "Tombstone cache size = %d", cap)
c.tombstone = result.New([]result.Lookup{
{Name: "ID"},
{Name: "URI"},
}, func(t1 *gtsmodel.Tombstone) *gtsmodel.Tombstone {
t2 := new(gtsmodel.Tombstone)
*t2 = *t1
return t2
}, cap)
c.tombstone.IgnoreErrors(ignoreErrors)
}
func (c *GTSCaches) initUser() {
// Calculate maximum cache size.
cap := calculateResultCacheMax(
sizeofUser(), // model in-mem size.
config.GetCacheUserMemRatio(),
)
log.Infof(nil, "User cache size = %d", cap)
c.user = result.New([]result.Lookup{
{Name: "ID"},
{Name: "AccountID"},
{Name: "Email"},
{Name: "ConfirmationToken"},
{Name: "ExternalID"},
}, func(u1 *gtsmodel.User) *gtsmodel.User {
u2 := new(gtsmodel.User)
*u2 = *u1
return u2
}, cap)
c.user.IgnoreErrors(ignoreErrors)
}
func (c *GTSCaches) initWebfinger() {
// Calculate maximum cache size.
cap := calculateCacheMax(
sizeofURIStr, sizeofURIStr,
config.GetCacheWebfingerMemRatio(),
)
log.Infof(nil, "Webfinger cache size = %d", cap)
c.webfinger = ttl.New[string, string](
0,
cap,
24*time.Hour,
)
}