[KUDU-816] Issue an ERROR on startup if data dirs are in /tmp

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Won't Fix
• Affects Version/s: Private Beta
• Fix Version/s: 0.8.0
• Component/s: supportability
• Labels: newbie
• Target Version/s: 0.9.0
• Assignee: Unassigned
• Reporter: Todd Lipcon
• Created: 10/Jun/15 14:58
• Updated: 12/May/16 21:36
• Resolved: 12/May/16 21:36

Description

It's too easy to use the default data directories, which store data in /tmp. These get cleared out on reboot. We should issue a warning at ERROR level on startup if we see a /tmp/ dir – ERROR is high enough to end up on stderr, not just the log file.