Fix

packages/effect-fc/src/QueryClient.ts

@@ -45,7 +45,7 @@ implements QueryClientService {
     }
 
     get run(): Effect.Effect<void> {
-        return Effect.repeat(
+        return this.runSemaphore.withPermits(1)(Effect.repeat(
             Effect.andThen(
                 DateTime.now,
                 now => SubscriptionRef.update(this.cache, HashMap.filter(entry =>
@@ -56,7 +56,7 @@ implements QueryClientService {
                 )),
             ),
             Schedule.spaced("30 second"),
-        )
+        ))
     }
 
     getCacheEntry(key: QueryClientCacheKey): Effect.Effect<Option.Option<QueryClientCacheEntry>> {