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Performance

• About Memory Usage and Capping
• Managing CPU Cycles in a Zone

Cloud Performance Training: What's in the Course

See the Course Calendar for upcoming offerings of this and other Joyent courses.

Text and Video

see also: DTrace

• Brendan Gregg's site
• Systems Performance: Enterprise and the Cloud by Brendan Gregg (covers SmartOS / illumos and Linux)
• Solaris Internals, Solaris Performance and Tools (books and wiki)
• Little Shop of Performance Horrors (video)
• LUN Alignment - An informal talk by Roch Bourbonnais.
• Performance: Experimentation: Brendan Gregg and Roch Bourbonnais share the thought process they use to troubleshoot system performance problems.
• Performance: The "Not a Problem"? Problem: Jim Mauro, Brendan Gregg, and Roch Bourbonnais discuss a type of performance issue that's very difficult to troubleshoot: the problem that isn't actually a problem.
• Performance Instrumentation Counters:  An informal discussion among Roch Bourbonnais, Brendan Gregg, and Jim Mauro.
• Performance: Interrupts: Brendan Gregg, Jim Mauro, Roch Bourbonnais on a common performance issue: interrupts.
• Performance Analysis: new tools and concepts from the cloud: Brendan Gregg, Lead Performance Engineer, Joyent, speaks at SCALE 10x. full slide deck
• Performance Analysis Methodology - Brendan Gregg, USENIX LISA 2012

SmartOS Tools

• Flame Graphs (original article by Brendan Gregg)
  • source on GitHub
  • Flame on: Graphing hot paths through X server code
• The Gregg Performance Series (videos): Tutorial videos about SmartOS performance tools: vmstat, mpstat, uptime.
• vfsstat(8) – Report VFS read and write activity
• ziostat(8) – Report ZFS read I/O activity
• zonestat(1) – report active zone statistics
• zonestatd(8) – zones monitoring daemon