diff --git a/packages/model/src/migration.ts b/packages/model/src/migration.ts
index d59e3b2035..d38add6d8e 100644
--- a/packages/model/src/migration.ts
+++ b/packages/model/src/migration.ts
@@ -99,7 +99,12 @@ export interface MigrationClient {
   ) => Promise<void>
 
   // Move documents per domain
-  move: <T extends Doc>(sourceDomain: Domain, query: DocumentQuery<T>, targetDomain: Domain) => Promise<void>
+  move: <T extends Doc>(
+    sourceDomain: Domain,
+    query: DocumentQuery<T>,
+    targetDomain: Domain,
+    size?: number
+  ) => Promise<void>
 
   create: <T extends Doc>(domain: Domain, doc: T | T[]) => Promise<void>
   delete: <T extends Doc>(domain: Domain, _id: Ref<T>) => Promise<void>
diff --git a/server/tool/src/upgrade.ts b/server/tool/src/upgrade.ts
index 0a178650c4..84365296af 100644
--- a/server/tool/src/upgrade.ts
+++ b/server/tool/src/upgrade.ts
@@ -70,11 +70,16 @@ export class MigrateClientImpl implements MigrationClient {
     }
   }
 
-  async move<T extends Doc>(sourceDomain: Domain, query: DocumentQuery<T>, targetDomain: Domain): Promise<void> {
+  async move<T extends Doc>(
+    sourceDomain: Domain,
+    query: DocumentQuery<T>,
+    targetDomain: Domain,
+    size = 500
+  ): Promise<void> {
     const ctx = new MeasureMetricsContext('move', {})
     this.logger.log('move', { sourceDomain, query })
     while (true) {
-      const source = await this.lowLevel.rawFindAll(sourceDomain, query, { limit: 500 })
+      const source = await this.lowLevel.rawFindAll(sourceDomain, query, { limit: size })
       if (source.length === 0) break
       await this.lowLevel.upload(ctx, targetDomain, source)
       await this.lowLevel.clean(
diff --git a/services/github/model-github/src/migration.ts b/services/github/model-github/src/migration.ts
index fb2173b0fe..f0de51684b 100644
--- a/services/github/model-github/src/migration.ts
+++ b/services/github/model-github/src/migration.ts
@@ -332,7 +332,7 @@ export const githubOperationPreTime: MigrateOperation = {
       {
         state: 'migrate-github-sync-domain',
         func: async (client) => {
-          await client.move(DOMAIN_GITHUB, { _class: github.class.DocSyncInfo }, DOMAIN_GITHUB_SYNC)
+          await client.move(DOMAIN_GITHUB, { _class: github.class.DocSyncInfo }, DOMAIN_GITHUB_SYNC, 100)
           await client.move(DOMAIN_GITHUB, { _class: github.class.GithubUserInfo }, DOMAIN_GITHUB_USER)
         }
       }