From 3afe53b04fc2db6fe9ef10fdcb1eec009f388b90 Mon Sep 17 00:00:00 2001
From: Kieran Klukas <me@dunkirk.sh>
Date: Tue, 27 Jan 2026 14:44:11 -0500
Subject: [PATCH] feat: add sqlite options for even faster performance

---
 src/cache.ts | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/src/cache.ts b/src/cache.ts
index 8e30717..df2db5f 100644
--- a/src/cache.ts
+++ b/src/cache.ts
@@ -372,6 +372,9 @@ class Cache {
 		this.defaultExpiration = defaultExpirationHours;
 		this.onEmojiExpired = onEmojiExpired;
 
+		// Optimize SQLite for performance
+		this.optimizeSQLite();
+
 		// Initialize type-safe analytics cache
 		this.typedAnalyticsCache = new AnalyticsCache();
 
@@ -384,6 +387,29 @@ class Cache {
 		this.runMigrations();
 	}
 
+	/**
+	 * Optimizes SQLite performance settings
+	 * @private
+	 */
+	private optimizeSQLite() {
+		// Enable Write-Ahead Logging for better concurrency
+		this.db.run("PRAGMA journal_mode = WAL");
+		
+		// NORMAL synchronous mode is faster and still safe with WAL
+		this.db.run("PRAGMA synchronous = NORMAL");
+		
+		// Increase cache size to 64MB for better query performance
+		this.db.run("PRAGMA cache_size = -64000");
+		
+		// Store temporary tables in memory
+		this.db.run("PRAGMA temp_store = MEMORY");
+		
+		// Enable memory-mapped I/O for faster reads (256MB)
+		this.db.run("PRAGMA mmap_size = 268435456");
+		
+		console.log("SQLite performance optimizations applied");
+	}
+
 	/**
 	 * Initializes prepared statements for hot paths
 	 * @private
-- 
2.51.2