message: Sensible concurrency
diff: @@ -67,7 +67,7 @@ export class Schema implements IDbSchema {
  let migrated = 0;
  const processQueue = new Queue({
  autoStart: true,
  - concurrency: 1000,
  + concurrency: 100,
  });
  for (const user of remoteUsers) {
  const matrixIds = await this.userStore.getMatrixLinks(user.id);
  