Search Postgresql Archives

Re: vacuum vs open transactions

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wednesday January 12 2005 11:10, Scott Marlowe wrote:
>
> I believe the problem is occurring if the open transaction is older than
> the tuples that could be vacuumed.  The MVCC system means that as long
> as a transaction that started X hours ago is still open, the tuples that
> have been freed since then can't vacuumed because they need to stay
> visible for that transaction.

Is it possible via SQL query to tell how long a transaction has been open?

Ed


---------------------------(end of broadcast)---------------------------
TIP 5: Have you checked our extensive FAQ?

               http://www.postgresql.org/docs/faqs/FAQ.html

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Postgresql Jobs]     [Postgresql Admin]     [Postgresql Performance]     [Linux Clusters]     [PHP Home]     [PHP on Windows]     [Kernel Newbies]     [PHP Classes]     [PHP Books]     [PHP Databases]     [Postgresql & PHP]     [Yosemite]
  Powered by Linux