Improve efficiency of the queue (#3373)

Co-authored-by: Nicolas Dorseuil <nicolas@gitbook.io>

packages/gitbook-v2/openNext/customWorkers/defaultWrangler.jsonc

@@ -122,6 +122,11 @@
             ]
         },
         "production": {
+            "vars": {
+                // This is a bit misleading, but it means that we can have 500 concurrent revalidations
+                // This means that we'll have up to 100 durable objects instance running at the same time
+                "MAX_REVALIDATE_CONCURRENCY": "100"
+            },
             "r2_buckets": [
                 {
                     "binding": "NEXT_INC_CACHE_R2_BUCKET",

packages/gitbook-v2/openNext/customWorkers/doWrangler.jsonc

@@ -98,7 +98,11 @@
         },
         "production": {
             "vars": {
+                // R2 is strongly consistent, so we can disable SQLite
                 "NEXT_CACHE_DO_QUEUE_DISABLE_SQLITE": "true",
+                // We don't want to pollute the memory with broken cache entries
+                // Most of the time, those are fake requests.
+                "NEXT_CACHE_DO_QUEUE_MAX_RETRIES": "1",
                 "STAGE": "production"
             },
             "r2_buckets": [