chore: tweak concurrency

backend/functions/src/cloud-functions/crawler.ts

@@ -599,8 +599,8 @@ ${suffixMixins.length ? `\n${suffixMixins.join('\n\n')}\n` : ''}`;
             memory: '4GiB',
             cpu: 4,
             timeoutSeconds: 300,
-            concurrency: 32,
-            maxInstances: 312,
+            concurrency: 22,
+            maxInstances: 455,
             minInstances: 1,
         },
         tags: ['Crawler'],

backend/functions/src/cloud-functions/searcher.ts

@@ -67,7 +67,7 @@ export class SearcherHost extends RPCHost {
             cpu: 8,
             memory: '8GiB',
             timeoutSeconds: 300,
-            concurrency: 6,
+            concurrency: 3,
             maxInstances: 200,
             minInstances: 1,
         },