Re: Big 7.4 items - Mailing list pgsql-hackers

From Bruce Momjian
Subject Re: Big 7.4 items
Date
Msg-id 200212132119.gBDLJWf07970@candle.pha.pa.us
Whole thread Raw
In response to Re: Big 7.4 items  (<darren@up.hrcoxmail.com>)
List pgsql-hackers
darren@up.hrcoxmail.com wrote:
> > It is asynchronous without the need of 2 phase commit. It is group
> > communication based and requires the group communication system to
> > guarantee total order. The tricky part is, that the local transaction
> > must be on hold until the own commit message comes back without a prior
> 
> No, It holds until it's own Writeset comes back.  Commits 
> and then send a commit message on the simple channel, so
> commits don't wait for ordered writesets.  

Darren, can you clarify this?  Why does it send that message?  How does
it allow commits not to wait for ordered writesets?

--  Bruce Momjian                        |  http://candle.pha.pa.us pgman@candle.pha.pa.us               |  (610)
359-1001+  If your life is a hard drive,     |  13 Roberts Road +  Christ can be your backup.        |  Newtown Square,
Pennsylvania19073
 


pgsql-hackers by date:

Previous
From:
Date:
Subject: Re: Big 7.4 items
Next
From:
Date:
Subject: Re: Big 7.4 items