Hi All - I am reposting my earlier message. I saw someone had the same
problem that I had, but I could not see the resolution. Please let me
know if you have more info on this.
Here is the thread that talks about the same problem.
>You haven't really provided us with much detail here, but it kind of
>sounds like your system is overloaded.
Thank you for your kindness.
Following modules are used
What kind of information shall, I geve you in addtion to the list
> Date: Mon, 18 Jan 2010 15:33:02 -0500
> Subject: Re: [BUGS] BUG #5284: Postgres CPU 100% and worker took too long to start; cancelled... Systemdown
> From: robertmhaas(at)gmail(dot)com
> To: azuneko(at)hotmail(dot)com
> CC: pgsql-bugs(at)postgresql(dot)org
> On Mon, Jan 18, 2010 at 12:43 AM, azuneko<azuneko(at)hotmail(dot)com> wrote:
> > The following bug has been logged online:
> > Bug reference: 5284
> > Logged by: azuneko
> > Email address: azuneko(at)hotmail(dot)com
> > PostgreSQL version: 8.3.3
> > Operating system: FreeBSD7.0.2
> > Description: Postgres CPU 100% and worker took too long to start;
> > cancelled... Systemdown
> > Details:
> > Hello,
> > I have the following 2 problems.
> > It would be appreciated if you give me some information such as the way to
> > avoid them.(Or if those problems are already known and fixed, could you
> > please tell me what version I should apply.)
> > 1,CPU utilization of postgres reaches 100%.
> > I excuted "top" command and sometimes found that CPU utilization of postgres
> > process reached 100% or almost 100%. (This is similar to the problem that
> > was posted at
> > http://archives.free.net.ph/message/20081104.074244.6e0dbcde.ja.html.)
> > What might be the cause?
> > 2. The following warning can be seen in the postgres log.
> > WARNING: worker took too long to start; cancelled
> > After this warning firstly appears in the log, the same warining message
> > seems to be repeated. And if you leave this state as it is, the OS freezes
> > before long. I guess this event happens because the daemons related to
> > postgres (such as vacuum and autovacuum) won't release the shared memory and
> > exclusively keep using it. Am I correct?
> > Those 2 problems are confirmed to happen at least under the following
> > conditions;
> > Software
> > -OS : FreeBSD 7.0.2
> > -Postgres version : 8.3.3
> > Hardware
> > -Disk configuration : RAID5 (MegaCLI)
> > -CPU : Xeon2.4
> > Thank you.
> You haven't really provided us with much detail here, but it kind of
> sounds like your system is overloaded.
On 5/4/2011 2:55 PM, Dinesh Bhandary wrote:
> Hi All -
> I am getting the following error while starting postgres 9.0.3. And
> when it happens I could not establish new connections and the
> following error messages keeps on coming up.
> Are you guys aware of this problem? Is it a bug? It has happened to me
> twice already. We are running this on red hat 5.6.
> "worker took too long to start; cancelled"
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