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Optimize home/library loading and SQLite query performance

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- Replace home preview N+1 queries with a single window-function batch query
- Cache library previews and series card lists (15s TTL, shared with media cache)
- Tune SQLite: larger page cache, mmap, wal_autocheckpoint, ANALYZE on migrate
- Defer history fetch on library page until last_played sort is selected
- Yield to browser between paginated library loads to keep UI responsive

Co-authored-by: truewhile <truewhile@users.noreply.github.com>
This commit is contained in:
Cursor Agent
2026-09-02 01:39:28 +00:00
parent deca7735a7
commit ba621cfc4a
10 changed files with 286 additions and 17 deletions
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internal/service/media_cache.go
+34
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@@ -34,6 +34,40 @@ func (s *MediaService) mediaListCacheKey(libraryID string, libraryIDs []string,
return "media:list:" + hex.EncodeToString(sum[:])
}
func (s *MediaService) libraryPreviewCacheKey(libraries []model.Library, cardLimit int, filter repository.MediaQueryFilter) string {
libIDs := make([]string, len(libraries))
for i, lib := range libraries {
libIDs[i] = lib.ID
}
sort.Strings(libIDs)
allowed := append([]string(nil), filter.AllowedLibraryIDs...)
hidden := append([]string(nil), filter.HiddenLibraryIDs...)
sort.Strings(allowed)
sort.Strings(hidden)
sum := sha1.Sum([]byte(strings.Join([]string{
"preview",
strings.Join(libIDs, ","),
fmt.Sprintf("%d:%t", cardLimit, filter.IncludeNSFW),
strings.Join(allowed, ","),
strings.Join(hidden, ","),
}, "|")))
return "media:preview:" + hex.EncodeToString(sum[:])
}
func (s *MediaService) seriesCardsCacheKey(libraryID string, visibility MediaVisibility) string {
allowed := append([]string(nil), visibility.AllowedLibraryIDs...)
hidden := append([]string(nil), visibility.HiddenLibraryIDs...)
sort.Strings(allowed)
sort.Strings(hidden)
sum := sha1.Sum([]byte(strings.Join([]string{
libraryID,
fmt.Sprintf("%t", visibility.IncludeNSFW),
strings.Join(allowed, ","),
strings.Join(hidden, ","),
}, "|")))
return "media:series-cards:" + hex.EncodeToString(sum[:])
}
func (s *MediaService) mediaCacheTTLSeconds() int {
if s == nil || s.cfg == nil || s.cfg.Cache.MediaTTLSeconds < 1 {
return 15