I have some more information regarding MD5 verification with s3a. It turns out
that s3a does have the MD5 verification. It's just not visible from reading
the s3a code, because the MD5 verification is performed entirely within the AWS
SDK library dependency. If you're interested in more
Has anyone encountered this problem with YARN. It all started after an attempt
to upgrade from CDH 5.4.8 to CDH 5.5.2.
I ran jobs overnight, and they never completed. But, it did take down the YARN
ResourceManager and multiple NodeManagers after 5 or 6 hours. There was one job
that out of 450
