[Bucardo-general] "swap" sync took [1962 s] to Insert 1066 records....

Greg Sabino Mullane greg at endpoint.com
Wed Dec 14 15:37:06 UTC 2011

On Wed, Dec 14, 2011 at 11:14:34PM +0800, Yan Chunlu wrote:
> the network latency is 200ms.   I have tried "pushdelta" which is
> quite fast. it could handle millions records within minutes.  but why
> does "swap" so slow? is there any chance to optimize it?

Yes: see Bucardo5. Should be much, much faster.

> could not it just insert or update the record? if the pk is
> duplicated, just ignore it or log it into conflicts.

No, it's not that easy, if you mean upserting the records into 
bucardo_delta. We tried that before, and it slowed down access 
to the triggered table too much.

Greg Sabino Mullane greg at endpoint.com
End Point Corporation
PGP Key: 0x14964AC8
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