Re: My Postgresql is inaccessible in Windows 8.1 - Mailing list pgsql-general

On 08/03/2016 07:40 AM, Edson F. Lidorio wrote:
> Em 2016-08-03 09:56, Adrian Klaver escreveu:
>> On 08/03/2016 04:40 AM, Edson F. Lidorio wrote:
>>> Good Morning,
>>>
>>> Constantly my Postgresql is inaccessible, recording the following
>>> message in the log.
>>> I'm using Windows 8.1 and PostgreSQL 9.5
>>>
>>>
>>> 2016-08-02 17:05:59 BRT FATAL:  the database system is starting up
>>> 2016-08-02 17:05:59 BRT LOG:  database system was not properly shut
>>> down; automatic recovery in progress
>>> 2016-08-02 17:05:59 BRT LOG:  invalid record length at 0/42C0148
>>> 2016-08-02 17:05:59 BRT LOG:  redo is not required
>>> 2016-08-02 17:05:59 BRT LOG:  MultiXact member wraparound protections
>>> are now enabled
>>> 2016-08-02 17:05:59 BRT LOG:  database system is ready to accept
>>> connections
>>> 2016-08-02 17:06:00 BRT LOG:  autovacuum launcher started
>>>
>>> 2016-08-03 08:18:44 BRT WARNING:  worker took too long to start;
>>> canceled
>>> 2016-08-03 08:19:44 BRT WARNING:  worker took too long to start;
>>> canceled
>>> 2016-08-03 08:20:44 BRT WARNING:  worker took too long to start;
>>> canceled
>>> 2016-08-03 08:21:44 BRT WARNING:  worker took too long to start;
>>> canceled
>>> 2016-08-03 08:22:44 BRT WARNING:  worker took too long to start;
>>> canceled
>>> 2016-08-03 08:23:44 BRT WARNING:  worker took too long to start;
>>> canceled
>>> 2016-08-03 08:24:44 BRT WARNING:  worker took too long to start;
>>> canceled
>>> 2016-08-03 08:26:44 BRT WARNING:  worker took too long to start;
>>> canceled
>>> 2016-08-03 08:28:44 BRT WARNING:  worker took too long to start;
>>> canceled
>>> 2016-08-03 08:30:44 BRT WARNING:  worker took too long to start;
>>> canceled
>>> 2016-08-03 08:31:45 BRT WARNING:  worker took too long to start;
>>> canceled
>>>
>>>
>>> What can be wrong?
>>
>> There is some sort of resource constraint preventing Postgres from
>> handling all its requests.
>>
>> So:
>>
>> Do you have any additional extensions/modules installed in Postgres?
>>
>> What are the hardware specifications for the machine, memory, CPU,
>> storage,etc?
>>
>> What is the work load on the Postgres server?
>>
>> What does the system show for load during this time?
>>
>> What do the system logs show?
>>
>>
>>
>>>
>>>
> There is some sort of resource constraint preventing Postgres from
> handling all its requests.
> I did not find anything strange. This problem also occurs with Windows 7 64
>
> So: Windows 8.1 Pro
>
> Do you have any additional extensions/modules installed in Postgres?
> I have, Default Installation
>
> What are the hardware specifications for the machine, memory, CPU,
> storage,etc?
> Intel Core I5 CPU 3.00 GHZ 8GB memory
>
> What is the work load on the Postgres server?
> The workload for this server is small, only a web application with few
> users.
>
> What does the system show for load during this time?
> Waiting time out to start the server
>
> What do the system logs show?
> 2016-08-03 08:42:39 BRT FATAL:  lock file "postmaster.pid" already exists
> 2016-08-03 08:42:39 BRT TIP: Another postmaster (PID 2968) is running
> under the data directory "C: / Program Files / PostgreSQL / 9.5 / data"?
>

Well this looks like the Postgres log and it is showing that you are
trying to start Postgres when there is already another instance of
Postgres running.

What does the Task Manager show is running?

When I was talking about system logs I meant the OS logs, I was not
clear on that point.


--
Adrian Klaver
adrian.klaver@aklaver.com