diff --git a/components/gitpod-db/src/typeorm/code-sync-resource-db.ts b/components/gitpod-db/src/typeorm/code-sync-resource-db.ts
index 1d24aeea07e5ce..24c83ed67db948 100644
--- a/components/gitpod-db/src/typeorm/code-sync-resource-db.ts
+++ b/components/gitpod-db/src/typeorm/code-sync-resource-db.ts
@@ -96,6 +96,7 @@ export class CodeSyncResourceDB {
             } else {
                 latest = await this.doGetResource(manager, userId, kind, 'latest');
             }
+            // TODO(hw): why we use `latest?.rev !== params.latestRev` ? what's latestRev?
             if (params?.latestRev && latest?.rev !== params.latestRev) {
                 return undefined;
             }
diff --git a/components/server/src/code-sync/code-sync-service.ts b/components/server/src/code-sync/code-sync-service.ts
index 8dfd02f3da84e6..405ae2f67f7953 100644
--- a/components/server/src/code-sync/code-sync-service.ts
+++ b/components/server/src/code-sync/code-sync-service.ts
@@ -24,7 +24,7 @@ import { Config } from '../config';
 import { CachingBlobServiceClientProvider } from '@gitpod/content-service/lib/sugar';
 
 // By default: 5 kind of resources * 20 revs * 1Mb = 100Mb max in the content service for user data.
-const defaultRevLimit = 20;
+const defaultRevLimit = 2;
 // It should keep it aligned with client_max_body_size for /code-sync location.
 const defaultContentLimit = '1Mb';
 export type CodeSyncConfig = Partial<{