server: reduce size of in-memory caches

Author: bloom

pkg/services/certmanager/certmanager.go

@@ -57,7 +57,7 @@ func NewCertManager(ctx context.Context, db db.DB, kms *kms.Kms,
 	autocertDomains.Insert(httpConfig.WebsitesRootDomain)
 
 	certsCache := memorycache.New(
-		memorycache.WithCapacity[string, *tls.Certificate](10_000),
+		memorycache.WithCapacity[string, *tls.Certificate](1_000),
 		memorycache.WithTTL[string, *tls.Certificate](1*time.Hour),
 	)
 

pkg/services/site/service/service.go

@@ -123,38 +123,38 @@ func NewSiteService(conf config.Config, db db.DB, queue queue.Queue, mailer mail
 
 	pagesHtmlCache := memorycache.New(
 		memorycache.WithTTL[string, []byte](48*time.Hour),
-		memorycache.WithCapacity[string, []byte](20_000),
+		memorycache.WithCapacity[string, []byte](1_000),
 		memorycache.WithInsertHook(zstdCompressInsertHook),
 		memorycache.WithGetHook(zstdDecompressGetHook),
 	)
 
 	assetsCache := memorycache.New(
 		memorycache.WithTTL[string, []byte](48*time.Hour),
-		memorycache.WithCapacity[string, []byte](500),
+		memorycache.WithCapacity[string, []byte](50),
 	)
 
 	pagesBodyHtmlCache := memorycache.New(
 		memorycache.WithTTL[string, []byte](48*time.Hour),
-		memorycache.WithCapacity[string, []byte](20_000),
+		memorycache.WithCapacity[string, []byte](1_000),
 		memorycache.WithInsertHook(zstdCompressInsertHook),
 		memorycache.WithGetHook(zstdDecompressGetHook),
 	)
 
 	pagesCache := memorycache.New(
 		memorycache.WithTTL[string, site.Page](48*time.Hour),
-		memorycache.WithCapacity[string, site.Page](20_000),
+		memorycache.WithCapacity[string, site.Page](1_000),
 	)
 
 	feedsCache := memorycache.New(
 		memorycache.WithTTL[string, []byte](48*time.Hour),
-		memorycache.WithCapacity[string, []byte](20_000),
+		memorycache.WithCapacity[string, []byte](1_000),
 		memorycache.WithInsertHook(zstdCompressInsertHook),
 		memorycache.WithGetHook(zstdDecompressGetHook),
 	)
 
 	sitemapsCache := memorycache.New(
 		memorycache.WithTTL[string, []byte](48*time.Hour),
-		memorycache.WithCapacity[string, []byte](20_000),
+		memorycache.WithCapacity[string, []byte](1_000),
 		memorycache.WithInsertHook(zstdCompressInsertHook),
 		memorycache.WithGetHook(zstdDecompressGetHook),
 	)