On 05/08/10 17:56, Richard wrote:
> I am sorry, my English is poor.
> I was confused by what you said.
> What do you mean by saying   "that'd break it"!

Replacing CHECKPOINT_WAIT with CHECKPOINT_IMMEDIATE broke it. Don't do that.

If you want to change the behavior of pg_start_backup() to perform the
checkpoint immediately, change "CHECKPOINT_WAIT" to "CHECKPOINT_WAIT |
CHECKPOINT_IMMEDIATE".

The usual work-around though is not to hack the source code, but perform
a manual CHECKPOINT just before calling pg_start_backuo(). That makes
the checkpoint performed by pg_start_backup() finish quickly.

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

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