Re: [HACKERS] checkpointer code behaving strangely on postmaster -T

2012-05-11 Thread Tom Lane
Alvaro Herrera writes: > Excerpts from Tom Lane's message of vie may 11 16:50:01 -0400 2012: >> I'm confused about what you did here and whether this isn't just pilot >> error. > The sequence of events is: > postmaster -T > crash a backend > SIGINT postmaster > SIGCONT all child processes > My e

Re: [HACKERS] checkpointer code behaving strangely on postmaster -T

2012-05-11 Thread Alvaro Herrera
Excerpts from Tom Lane's message of vie may 11 16:50:01 -0400 2012: > > Yep, it's still there as far as I can tell. A backtrace from the > > checkpointer shows it's waiting on the latch. > > I'm confused about what you did here and whether this isn't just pilot > error. If you run with -T then

Re: [HACKERS] checkpointer code behaving strangely on postmaster -T

2012-05-11 Thread Tom Lane
Alvaro Herrera writes: > Excerpts from Tom Lane's message of jue may 10 02:27:32 -0400 2012: >> Alvaro Herrera writes: >>> I noticed while doing some tests that the checkpointer process does not >>> recover very nicely after a backend crashes under postmaster -T (after >>> all processes have been

Re: [HACKERS] checkpointer code behaving strangely on postmaster -T

2012-05-11 Thread Simon Riggs
On 10 May 2012 16:14, Tom Lane wrote: > Alvaro Herrera writes: >> Excerpts from Tom Lane's message of jue may 10 02:27:32 -0400 2012: >>> Alvaro Herrera writes: >> I noticed while doing some tests that the checkpointer process does not >> recover very nicely after a backend crashes under postmas

Re: [HACKERS] checkpointer code behaving strangely on postmaster -T

2012-05-10 Thread Tom Lane
Alvaro Herrera writes: > Excerpts from Tom Lane's message of jue may 10 02:27:32 -0400 2012: >> Alvaro Herrera writes: > I noticed while doing some tests that the checkpointer process does not > recover very nicely after a backend crashes under postmaster -T > It seems to me that the bug is in t

Re: [HACKERS] checkpointer code behaving strangely on postmaster -T

2012-05-10 Thread Alvaro Herrera
Excerpts from Tom Lane's message of jue may 10 02:27:32 -0400 2012: > Alvaro Herrera writes: > > I noticed while doing some tests that the checkpointer process does not > > recover very nicely after a backend crashes under postmaster -T (after > > all processes have been kill -CONTd, of course, a

Re: [HACKERS] checkpointer code behaving strangely on postmaster -T

2012-05-09 Thread Tom Lane
Alvaro Herrera writes: > I noticed while doing some tests that the checkpointer process does not > recover very nicely after a backend crashes under postmaster -T (after > all processes have been kill -CONTd, of course, and postmaster told to > shutdown via Ctrl-C on its console). For some reason

[HACKERS] checkpointer code behaving strangely on postmaster -T

2012-03-30 Thread Alvaro Herrera
I noticed while doing some tests that the checkpointer process does not recover very nicely after a backend crashes under postmaster -T (after all processes have been kill -CONTd, of course, and postmaster told to shutdown via Ctrl-C on its console). For some reason it seems to get stuck on a loo