Backup download fails when the backup file is big

Summary

In some cases when attempting to download the backup of huge instances, the download dies before completion.

Customer Impact

Environment

• We've reproduced this issue with backups of 6GB, 20GB

Steps to Reproduce

1. Generate a backup of a huge instance
2. Try to download it

Expected Results

The download will finish successfully

Actual Results

The download dies before completing. Sometimes it looks like it finished successfully as it doesn't through an error in the browser while downloading but the download file isn't complete.

Application logs:

 msg: java.io.IOException: Broken pipe 
 stack: org.apache.catalina.connector.ClientAbortException: java.io.IOException: Broken pipe at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:396) at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:426) at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:339) at org.apache.catalina.connector.OutputBuffer.writeBytes(OutputBuffer.java:421) at org.apache.catalina.connector.OutputBuffer.write(OutputBuffer.java:409) at org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:97) at com.opensymphony.module.sitemesh.filter.RoutableServletOutputStream.write(RoutableServ

Notes

Workaround

Workaround
Use the Google Chrome browser to perform the download (instead of Internet Explorer or FireFox or whatever else you're using)

Please let us know if the workaround does not work.