On Wed, Apr 20, 2005 at 11:09:19AM -0700, Josh Berkus wrote:
> At OSDL we're seeing a wierd performance crash on 8.1cvs. What's wierd
> about
> it is that it doesn't happen all the time -- about 1 out of 4 test runs.
> What it looks like happens sometimes is that performance drops dramatically
> at the first checkpoint, and never comes back. But there's oprofiles and
> things to make a more insightful analysis:
What is the "wait" line in the Processor Utilization graphic? Does it
have anything to do with spinlocks? Was it so high in 8.0 tests?
--
Alvaro Herrera (<[EMAIL PROTECTED]>)
Jude: I wish humans laid eggs
Ringlord: Why would you want humans to lay eggs?
Jude: So I can eat them
---------------------------(end of broadcast)---------------------------
TIP 9: the planner will ignore your desire to choose an index scan if your
joining column's datatypes do not match
