Re: [BUG] Checkpointer on hot standby runs without looking checkpoint_segments

On Tue, Apr 17, 2012 at 11:50 PM, Kyotaro HORIGUCHI
<horiguchi.kyotaro@lab.ntt.co.jp> wrote:
> Hmm. StandbyMode is a local variable which cannot be accessed in
> checkpointer. But WalRcvInProgress() which shows if wal receiver
> is running seems to be usable to ENABLE governing progress by
> checkpoint_segments.

Even when walreceiver is not running and WAL files are read from the archive,
checkpoint_segments can trigger a restartpoint. In this case, ISTM a
restartpoint
should be scheduled according to checkpoint_segments, so I don't think that
checking WalRcvInProgress() for that purpose is right thing. Instead, what about
sharing StandbyMode flag among processes via shared memory like XLogCtl?

Regards,

-- 
Fujii Masao