[MESOS-3046] Stout's UUID re-seeds a new random generator during each call to UUID::random.

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.24.2, 0.25.0
• Component/s: stout
• Labels: newbie twitter
• Target Version/s: 0.25.0
• Story Points: 3
• Assignee: Klaus Ma
• Reporter: Benjamin Mahler
• Shepherd: Benjamin Mahler
• Created: 14/Jul/15 21:59
• Updated: 27/Feb/16 00:45
• Resolved: 18/Sep/15 16:24

Description

Per StephanErb and kevints's observations on MESOS-2940, stout's UUID abstraction is re-seeding the random generator during each call to UUID::random(), which is really expensive.

This is confirmed in the perf graph from MESOS-2940.