Multiple customers are seeing zombie (defunct) Git processes after an upgrade to 7.x (earliest affected version reported is 7.2.4). The parent process, as expected, is Bitbucket Server so the processes are cleaned only once Bitbucket Server is restarted.
Upgrade Bitbucket Server from a pre-7.x version to 7.x.
No zombie processes are seen, as they should be reaped by parent Bitbucket Server process on completion of the related Git operation/command.
Following type of processes are seen:
Only known workaround is to terminate the parent process. Hence, a restart of Bitbucket Server instance cleans up the zombie processes.