From 0747768fc6826c55855646f2d19a3779ffa1e23d Mon Sep 17 00:00:00 2001
From: Jake Howard <git@theorangeone.net>
Date: Fri, 18 Oct 2024 18:37:37 +0100
Subject: [PATCH] Tweak SQLite config

---
 .gitignore                   |  2 ++
 yamdl_playground/settings.py | 28 ++++++++++++++++++++++------
 2 files changed, 24 insertions(+), 6 deletions(-)

diff --git a/.gitignore b/.gitignore
index cb3f739..55942ba 100644
--- a/.gitignore
+++ b/.gitignore
@@ -63,6 +63,8 @@ cover/
 *.log
 local_settings.py
 db.sqlite3
+db.sqlite3-shm
+db.sqlite3-wal
 db.sqlite3-journal
 
 # Flask stuff:
diff --git a/yamdl_playground/settings.py b/yamdl_playground/settings.py
index 1c1052e..4b32cf8 100644
--- a/yamdl_playground/settings.py
+++ b/yamdl_playground/settings.py
@@ -75,13 +75,26 @@ WSGI_APPLICATION = 'yamdl_playground.wsgi.application'
 # Database
 # https://docs.djangoproject.com/en/5.0/ref/settings/#databases
 
-db_init_command = """
-PRAGMA journal_mode=OFF;
-PRAGMA synchronous=OFF;
-PRAGMA mmap_size = 134217728;
-PRAGMA cache_size=4000;
+db_init_command = f"""
+PRAGMA journal_mode=WAL;
+PRAGMA synchronous=NORMAL;
 PRAGMA temp_store=MEMORY;
 PRAGMA auto_vacuum=INCREMENTAL;
+PRAGMA busy_timeout=10000;
+PRAGMA threads={os.cpu_count()};
+PRAGMA secure_delete=OFF;
+PRAGMA mmap_size=50000000;
+PRAGMA cache_size=-262144;
+"""
+
+memory_db_init_command = f"""
+PRAGMA journal_mode=OFF;
+PRAGMA synchronous=OFF;
+PRAGMA temp_store=MEMORY;
+PRAGMA auto_vacuum=INCREMENTAL;
+PRAGMA busy_timeout=10000;
+PRAGMA threads={os.cpu_count()};
+PRAGMA secure_delete=OFF;
 """
 
 DATABASES = {
@@ -89,13 +102,16 @@ DATABASES = {
         'ENGINE': 'django.db.backends.sqlite3',
         'NAME': BASE_DIR / "db.sqlite3",
         "CONN_MAX_AGE": 600,
+        "OPTIONS": {
+            "init_command": db_init_command
+        }
     },
     'yamdl': {
         'ENGINE': 'django.db.backends.sqlite3',
         'NAME': 'file:yamdl-db?mode=memory&cache=shared',
         "CONN_MAX_AGE": 600,
         "OPTIONS": {
-            "init_command": db_init_command
+            "init_command": memory_db_init_command
         }
     }
 }