On 14/09/2013 04:31, Jov wrote:
> T
> he log shipping is useful when SR slave can not catch up the master and
> hungry enough to cause replication stop work.For example,when you want
> to stop the slave for a long time or do a large copy from,the
> wal_keep_segments on master reached,SR slave may not catch up the
> master.If log shipping is on,the slave will replay the WAL from
> archives,when catch up,RS will start again.
>     
> 
> Jov
> blog: http:amutu.com/blog <http://amutu.com/blog>
> 
> 
> 2013/9/14 Ray Stell <ste...@vt.edu <mailto:ste...@vt.edu>>
> 
> 
>     On Sep 13, 2013, at 3:51 PM, Raymond O'Donnell wrote:
>     >  [1] and one of the wiki
>     > articles [2] seem to indicate that you need to set up log-shipping as
>     > well as SR, whereas one of the wiki articles [2] indicates that
>     > log-shipping isn't required. I've followed [3] and it seems to
>     work fine
>     > in initial trials; but I'm wondering if I'm missing something, or if I
>     > misunderstood [1] + [2] in the first place.
>     >
> 
>     Streaming replication works fine without log shipping.  The logs are
>     a good idea
>     in case a pitr becomes required.   I don't know why one would ever
>     not write the
>     archives, but I have done so.  I think it was some silly, temporary
>     disk space issue
>     I had to work around.

Thanks to you both for your responses - that clears it up for me.

Ray.


-- 
Raymond O'Donnell :: Galway :: Ireland
r...@iol.ie


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