Re: How to avoid transaction ID wrap

From: "Mark Woodward" <pgsql(at)mohawksoft(dot)com>
To: "Mark Woodward" <pgsql(at)mohawksoft(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: How to avoid transaction ID wrap
Date: 2006-06-07 03:11:40
Message-ID: 18800.24.91.171.78.1149649900.squirrel@mail.mohawksoft.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

> Mark Woodward wrote:
>> OK, here's my problem, I have a nature study where we have about 10
>> video
>> cameras taking 15 frames per second.
>> For each frame we make a few transactions on a PostgreSQL database.
>
> Maybe if you grouped multiple operations on bigger transactions, the I/O
> savings could be enough to buy you the ability to vacuum once in a
> while. Or consider buffering somehow -- save the data elsewhere, and
> have some sort of daemon to put it into the database. This would allow
> to cope with the I/O increase during vacuum.

The problem is ssufficiently large that any minor modification can easily
hide the problem for a predictble amount of time. My hope was that someone
would have a real "long term" work around.

In response to

Responses

Browse pgsql-hackers by date

  From Date Subject
Next Message Bruce Momjian 2006-06-07 03:22:51 Re: [HACKERS] Win32 sysconfig -> pg_service.conf
Previous Message Mark Woodward 2006-06-07 03:09:08 Re: AGREGATE FUNCTIONS