Greg Smith wrote:
> On 04/03/2011 02:18 PM, Joshua Berkus wrote:
> > * Transaction-controlled Synch Rep
> > I would like to have volunteers from the advocacy list commit to taking on one of each of these features.  For each one we need:
> >
> > a) a two-line explanation of what the feature is and why it's valuable (for the release notes, etc.)
> > b) a wiki page with a more detailed explaination and examples oriented towards the beginning-to-intermediate PostgreSQL user.
> >    
> 
> We already have http://wiki.postgresql.org/wiki/Synchronous_replication 
> for sync rep, and I just started changing that around so that it 
> reflects the code committed into 9.1.  I got my first set of questions 
> today suggesting our internal work on documenting this from the ground 
> up is moving along.  Over the next month we'll have at least two people 
> chugging away at making that targeted more toward beginners (or split 
> into something that is).
> 
> I've been doing the elevator pitch for sync rep for a while now; here's 
> a first draft description for the release notes:
> 
> Transaction-controlled Synchronous Replication:  When replicating to 
> multiple nodes, customize every database transaction for its individual 
> speed and durability needs.  Options range from only committing to 
> memory on the master up to the new synchronous standby mode, where data 
> must be stored on multiple servers to be considered safe.

...

> PostgreSQL 9.1 lets you pick exactly the level of commit guarantee your 
> data requires.  Whether you want unlogged tables optimized only for 
> speed, or you need durable synchronous replication to multiple servers, 
> you're covered--all in one database.

I think the "users get control" montra could be a theme for this
release;  I think it would apply to all of these:

    * Unlogged tables to better handle some NoSQL workloads
    * Synchronous replication for greater reliability
    * SQL/MED (Management of External Data) (flat files, other databases)
    * Per-column collation support
    * Security Label, including SE-Linux integration
    * True serializable isolation with predicate locking (already had snapshot isolation)

> Need to take a shower to wash the stench of marketing off now.

LOL

-- 
  Bruce Momjian  <bruce(at)momjian(dot)us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

  + It's impossible for everything to be true. +

In response to

• Re: Major features for 9.1 at 2011-04-30 07:33:36 from Greg Smith

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