Hi All,
After PostgreSQL freeze some times, I am moving from
7.3.4 to 7.4.1, trying to solve this problem.
When the daemon get frozen, I can't even use psql to
browse a database (as if the database was down for
some reason, or the daemon is not running).
In these cases, a "pg_ctl -D /var/db stop" followed by
a "pg_ctl -D /var/db start" fix the problem.
I was not saving the logs in a file, so I can't show
you the messages. Now I am saving it.
Do you know some bug on this version (7.3.4)???
I will try 7.4.1 and seek for bugs!
Regards,
Marcelo
_______________ _______________ _______________ _______________ __________
Yahoo! GeoCities: a maneira mais fácil de criar seu web site grátis! http://br.geocities.yahoo.com/
---------------------------(end of broadcast)---------------------------
TIP 4: Don't 'kill -9' the postmaster 10  2017 
On Wed, 28 Jan 2004, MaRCeLO PeReiRA wrote: Hi All,
After PostgreSQL freeze some times, I am moving from
7.3.4 to 7.4.1, trying to solve this problem.
When the daemon get frozen, I can't even use psql to
browse a database (as if the database was down for
some reason, or the daemon is not running).
In these cases, a "pg_ctl -D /var/db stop" followed by
a "pg_ctl -D /var/db start" fix the problem.
I was not saving the logs in a file, so I can't show
you the messages. Now I am saving it.
Do you know some bug on this version (7.3.4)???
I will try 7.4.1 and seek for bugs!
Is the machine becoming unresponsive? I.e. is it taking several seconds
for things like ls to run?
What does top show for postgresql memory and cpu usage?
Is postgresql really freezing, or just running REALLY slow? I.e.
sometimes if you wait long enough you can get in to what seems to be a
frozen database
---------------------------(end of broadcast)---------------------------
TIP 5: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faqs/FAQ.html
Hi, Is the machine becoming unresponsive? I.e. is it
taking several seconds
for things like ls to run?
It isn't the case! I can do everything without
problem, and without losing performance. The main
problem is the postmaster daemon, that die. (really
;-)
What does top show for postgresql memory and cpu
usage?
The top output is something like this:
top - 16:44:24 up 2 days, 6:15, 10 users, load
average: 1.24, 1.16, 1.05
Tasks: 123 total, 4 running, 119 sleeping, 0
stopped, 0 zombie
Cpu(s): 96.0% user, 4.0% system, 0.0% nice,
0.0% idle
Mem: 256292k total, 243696k used, 12596k free,
14024k buffers
Swap: 530104k total, 82568k used, 447536k free,
114312k cached
Is postgresql really freezing, or just running
REALLY slow? I.e.
sometimes if you wait long enough you can get in to
what seems to be a
frozen database
No way! It really die!! :(
Regards,
Marcelo
_______________ _______________ _______________ _______________ __________
Yahoo! GeoCities: a maneira mais fácil de criar seu web site grátis! http://br.geocities.yahoo.com/
---------------------------(end of broadcast)---------------------------
TIP 6: Have you searched our list archives? http://archives.postgresql.org
On Wed, 28 Jan 2004, MaRCeLO PeReiRA wrote: Hi,
Is the machine becoming unresponsive? I.e. is it
taking several seconds
for things like ls to run?
It isn't the case! I can do everything without
problem, and without losing performance. The main
problem is the postmaster daemon, that die. (really
;-)
What does top show for postgresql memory and cpu
usage?
The top output is something like this:
top - 16:44:24 up 2 days, 6:15, 10 users, load
average: 1.24, 1.16, 1.05
Tasks: 123 total, 4 running, 119 sleeping, 0
stopped, 0 zombie
Cpu(s): 96.0% user, 4.0% system, 0.0% nice,
0.0% idle
Mem: 256292k total, 243696k used, 12596k free,
14024k buffers
Swap: 530104k total, 82568k used, 447536k free,
114312k cached
Is postgresql really freezing, or just running
REALLY slow? I.e.
sometimes if you wait long enough you can get in to
what seems to be a
frozen database
No way! It really die!! :(
Dang. When you run top, what do the postgres owned processes show?
---------------------------(end of broadcast)---------------------------
TIP 1: subscribe and unsubscribe commands go to ma*******@postg resql.org
=?iso-8859-1?q?MaRCeLO=20P eReiRA?= <ga********@yah oo.com.br> writes: It isn't the case! I can do everything without
problem, and without losing performance. The main
problem is the postmaster daemon, that die. (really
;-)
That's pretty hard to believe (we've not had a postmaster-crashing bug
in a long time), and it's even harder to believe that the symptoms would
be as you describe if it did. if the postmaster wasn't there, psql
connection attempts would fail immediately with "connection refused" or
similar messages.
regards, tom lane
---------------------------(end of broadcast)---------------------------
TIP 5: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faqs/FAQ.html
Hi Tom,
I have just moved to 7.4.1. I hope to fix that
problem.
And, yes, I was receiving "connection refused" in the
cases when the postmaster was gone!
It has been exactly 36min the new version is running.
Let us see the postmaster's behavior on the next few
days!
Thanks in advance and
Regards,
Marcelo
--- Tom Lane <tg*@sss.pgh.pa .us> escreveu: >
=?iso-8859-1?q?MaRCeLO=20P eReiRA?= <ga********@yah oo.com.br> writes: It isn't the case! I can do everything without
problem, and without losing performance. The main
problem is the postmaster daemon, that die.
(really ;-)
That's pretty hard to believe (we've not had a
postmaster-crashing bug
in a long time), and it's even harder to believe
that the symptoms would
be as you describe if it did. if the postmaster
wasn't there, psql
connection attempts would fail immediately with
"connection refused" or
similar messages.
regards, tom lane
_______________ _______________ _______________ _______________ __________
Yahoo! GeoCities: a maneira mais fácil de criar seu web site grátis! http://br.geocities.yahoo.com/
---------------------------(end of broadcast)---------------------------
TIP 8: explain analyze is your friend
On Wed, 28 Jan 2004, Tom Lane wrote: =?iso-8859-1?q?MaRCeLO=20P eReiRA?= <ga********@yah oo.com.br> writes: It isn't the case! I can do everything without
problem, and without losing performance. The main
problem is the postmaster daemon, that die. (really
;-)
That's pretty hard to believe (we've not had a postmaster-crashing bug
in a long time), and it's even harder to believe that the symptoms would
be as you describe if it did. if the postmaster wasn't there, psql
connection attempts would fail immediately with "connection refused" or
similar messages.
I'm pretty sure, from his first message, what he means is that the
postmaster process is going into some kind of loop (100% CPU) and not
responding, not necessarily dying. I'm reasonably certain English is not
Marcelo's first language, so it's understandable he'd miss the mark on the
meaning of a few words here and there.
---------------------------(end of broadcast)---------------------------
TIP 8: explain analyze is your friend
Hi Tom and Scott,
Thanks for your support. I hope the upgrade fix the
problem.
And, Scott, you are right, english isn't my first
language, I'm a brazilian and I know brazilian
portuguese. When I try to write english in a fast way,
and without doing gramatical correction, I use to go
into lots of mistakes. ;-) Thou I am really trying to
improve my english.
Well, once again, thanks for your support.
Regards,
Marcelo Pereira
Campinas' University - Brazil
Math Depth
--- "scott.marl owe" <sc***********@ ihs.com> escreveu: On Wed, 28 Jan 2004, Tom Lane wrote:
=?iso-8859-1?q?MaRCeLO=20P eReiRA?=
<ga********@yah oo.com.br> writes: It isn't the case! I can do everything without
problem, and without losing performance. The main problem is the postmaster daemon, that die. (really ;-)
That's pretty hard to believe (we've not had a
postmaster-crashing bug in a long time), and it's even harder to believe
that the symptoms would be as you describe if it did. if the postmaster
wasn't there, psql connection attempts would fail immediately with
"connection refused" or similar messages.
I'm pretty sure, from his first message, what he
means is that the
postmaster process is going into some kind of loop
(100% CPU) and not
responding, not necessarily dying. I'm reasonably
certain English is not
Marcelo's first language, so it's understandable
he'd miss the mark on the
meaning of a few words here and there.
_______________ _______________ _______________ _______________ __________
Yahoo! GeoCities: a maneira mais fácil de criar seu web site grátis! http://br.geocities.yahoo.com/
---------------------------(end of broadcast)---------------------------
TIP 4: Don't 'kill -9' the postmaster
On Wed, 28 Jan 2004, MaRCeLO PeReiRA wrote: Hi,
Is the machine becoming unresponsive? I.e. is it
taking several seconds
for things like ls to run?
It isn't the case! I can do everything without
problem, and without losing performance. The main
problem is the postmaster daemon, that die. (really
;-)
What does top show for postgresql memory and cpu
usage?
The top output is something like this:
top - 16:44:24 up 2 days, 6:15, 10 users, load
average: 1.24, 1.16, 1.05
Tasks: 123 total, 4 running, 119 sleeping, 0
stopped, 0 zombie
Cpu(s): 96.0% user, 4.0% system, 0.0% nice,
0.0% idle
Mem: 256292k total, 243696k used, 12596k free,
14024k buffers
Swap: 530104k total, 82568k used, 447536k free,
114312k cached
Is postgresql really freezing, or just running
REALLY slow? I.e.
sometimes if you wait long enough you can get in to
what seems to be a
frozen database
No way! It really die!! :(
Can you perhaps build it with debugging symbols and run it until it crashs
again and then send us the core file? You should check that the core file will
be generated first, by checking things like the ulimit for core files that the
postgresql server runs with.
--
Nigel Andrews
---------------------------(end of broadcast)---------------------------
TIP 3: if posting/reading through Usenet, please send an appropriate
subscribe-nomail command to ma*******@postg resql.org so that your
message can get through to the mailing list cleanly
=?iso-8859-1?q?MaRCeLO=20P eReiRA?= <ga********@yah oo.com.br> writes: And, yes, I was receiving "connection refused" in the
cases when the postmaster was gone!
You didn't say that, you said it froze. Please be more accurate about
your bug reports in future. A minimum requirement is that you give the
exact text of any error messages you get.
It does sound like you were seeing a postmaster crash. As Nigel
suggested, it would be very useful to see a debugger stack trace
from such a crash.
regards, tom lane
---------------------------(end of broadcast)---------------------------
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