Robert Haas wrote:
> On Tue, Apr 6, 2010 at 3:09 AM, Heikki Linnakangas
> <heikki.linnakan...@enterprisedb.com> wrote:
>>>     * Add the GUC parameter to specify the maximum number of log file 
>>> segments held in pg_xlog directory to send to the standby server. Which is 
>>> useful to avoid disk full in the primary.
>> Not only to avoid disk full in primary but also to make it feasible to
>> use streaming replication without archiving. It's a small change, we
>> should do it.
> 
> Do we have a working patch?

No.

>>>     * Redefine smart shutdown in standby mode?
>> Drop. Too big a change at this point.
> 
> We have a working patch for this - I want to commit it.  I don't think
> it's a big change, and the current behavior is extremely pathological.

Oh, ok. I didn't look at the latest patch, if it looks good to you, fine
with me.

>>>     * If standby_mode is enabled, and neither primary_conninfo nor 
>>> restore_command are set, the standby would get stuck.
>> It's not really stuck, it will replay any WAL files you drop into
>> pg_xlog. I concur with Robert Haas though that it shouldn't print the
>> message to the log every few seconds. It should print a message the
>> first time it hits the end of WAL, but subsequent messages should be
>> suppressed until some progress has been made.
> 
> Any idea how to implement this?

I'll take a look. It shouldn't be too hard.

-- 
  Heikki Linnakangas
  EnterpriseDB   http://www.enterprisedb.com

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