Default pool settings (#2765)

Author: moisses89

config/settings/base.py

@@ -63,7 +63,9 @@
 # DATABASES
 # ------------------------------------------------------------------------------
 # https://docs.djangoproject.com/en/dev/ref/settings/#databases
-DB_STATEMENT_TIMEOUT = env.int("DB_STATEMENT_TIMEOUT", 60_000)
+# DB statements should timeout before Gunicorn, so this value must be less than WEB_WORKER_TIMEOUT on gunicorn.py
+DB_STATEMENT_TIMEOUT = env.int("DB_STATEMENT_TIMEOUT", 50_000)
+
 DATABASES = {
     "default": env.db("DATABASE_URL"),
 }
@@ -77,8 +79,8 @@
         "min_size": env.int("DB_MIN_CONNS", default=4),
         "max_size": env.int("DB_MAX_CONNS", default=100),
         "timeout": env.int("DB_POOL_TIMEOUT", default=10),
-        "max_lifetime": env.int("DB_POOL_MAX_LIFETIME", default=60 * 60),  # 1 hour
-        "max_idle": env.int("DB_POOL_MAX_IDLE", default=60 * 10),  # 10 minutes
+        "max_lifetime": env.int("DB_POOL_MAX_LIFETIME", default=60 * 5),  # 5 minutes
+        "max_idle": env.int("DB_POOL_MAX_IDLE", default=60 * 2),  # 2 minutes
     },
 }