[cards] make them a smaller burden

server/cards.js

@@ -21,18 +21,19 @@ const modes = ['light', 'dark'];
 (async () => {
     const db = await dbConnection();
     while (true) {
+        await sleep(5000);
+
         const profiles = (await db.all(`
             SELECT profiles.id, profiles.locale, users.username
             FROM profiles
                      LEFT JOIN users on profiles.userId = users.id
             WHERE profiles.card IS NULL
             ORDER BY RANDOM()
-            LIMIT 8
+            LIMIT 6
         `)).filter(({locale}) => !isHighLoadTime(locale));
 
         if (profiles.length === 0) {
             console.log('No profiles in the queue');
-            await sleep(5000);
             continue;
         }
 

server/overload.js

@@ -1,5 +1,5 @@
 const overloadPeriods = {
-    en: [[16, 23]],
+    en: [[15, 24]],
 };
 
 module.exports = (locale, timestamp = new Date) => {