On Jul 16, 2008, at 4:40 PM, Mason Hale wrote:
On Wed, Jul 16, 2008 at 10:26 AM, Mason Hale <[EMAIL PROTECTED]>
wrote:
Here's some of the strace output:
select(0, NULL, NULL, NULL, {0, 10000}) = 0 (Timeout)
If I read the 'select(2)' man page correctly, it appears this
process is waiting indefinitely for a NULL file descriptor.
That looks pretty stuck to me.
No, it's just sleeping. For 10 milliseconds or so.
Should I kill this autovacuum process via pg_cancel_backend?
Or is there a better way to "unstick" it?
Any ideas what may have caused it to get into this condition?
It looks like "read a page, sleep for 80 milliseconds, repeat".
I'd look at your settings for autovacuum_vacuum_cost_limit /
autovacuum_vacuum_cost_delay, and maybe the contents of pg_autovacuum.
Cheers,
Steve
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