Re: concurrent writes

On Tue, 2003-07-29 at 12:42, Shridhar Daithankar wrote:
> On 29 Jul 2003 at 12:33, Andreas Jung wrote:
> > we are running Postgres 7.3.3 successfully on our portal sites
> > under Solaris. For a new project we have the requirement that
> > N processes need to write update/insert within the same time and within
> > the same transaction data in one table.
>
> What does it mean by same transaction data?

should read "update/insert within the same time and within the same
transaction in one table"

>
>
> >More detailed: every process
> > opens its own connection, starts a transaction, updates *different* rows
> > and then commits. According to our postgres adminstrator, Postgres seems
> > to behave differently on Linux and Solaris. Any ideas on that?
>
> How it is different? It should be same, right?

Our experience was that the complete table has been locked (Solaris)
but row-level locking was working with Linux.

-aj