[IMPALA-8802] Switch to pgrep for graceful_shutdown_backends.sh

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: Impala 3.3.0
• Fix Version/s: Impala 3.3.0
• Component/s: Infrastructure
• Epic Color: ghx-label-4
• Assignee: Lars Volker
• Reporter: Lars Volker
• Created: 29/Jul/19 16:28
• Updated: 29/Aug/19 19:58
• Resolved: 29/Aug/19 19:58

Description

IMPALA-8798 added a script with a call to pidof. However, pgrep seems generally preferred (https://mywiki.wooledge.org/BadUtils) and we should switch to it.