CUMULUS-3890: Address sftp provider multi-part/fastGet concern

CHANGELOG.md

@@ -21,7 +21,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
  does not have the Serverless v2 SSL certifications installed.
 
 ### Changed
-
+- **CUMULUS-3890**
+ - Changed fastGet used in the sftp-client package to have 0 concurrency
 - **CUMULUS-3725**
  - Updated the default parameter group for `cumulus-rds-tf` to set `force_ssl`
  to 0. This setting for the Aurora Serverless v2 database allows non-SSL

packages/sftp-client/src/index.ts

@@ -112,7 +112,9 @@ export class SftpClient {
 
  log.info(`Downloading ${remoteUrl} to ${localPath}`);
 
- await this.sftp.fastGet(remotePath, localPath);
+ await this.sftp.fastGet(remotePath, localPath, {
+ concurrency: 0,
+ });
 
  log.info(`Finished downloading ${remoteUrl} to ${localPath}`);
  }