Re: Snapshot synchronization, again...

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От Alvaro Herrera
Тема Re: Snapshot synchronization, again...
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Msg-id 1298163311-sup-3469@alvh.no-ip.org
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Ответ на Re: Snapshot synchronization, again...  (Tom Lane <tgl@sss.pgh.pa.us>)
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Excerpts from Tom Lane's message of sáb feb 19 21:26:42 -0300 2011:

> However ... IIRC, hash_any gives different results on bigendian and
> littleendian machines.  I'm not sure if a predictable cross-platform
> result is important for this use?  If you're hashing data containing
> native integers, this is a problem anyway.

The current feature only lets you synchronize snapshots within a cluster
-- you can't ship them to another machine.  I don't think dependency on
endianness is a problem here.  (But no, the data doesn't contain native
integers -- it's the snapshot's text representation.)

-- 
Álvaro Herrera <alvherre@commandprompt.com>
The PostgreSQL Company - Command Prompt, Inc.
PostgreSQL Replication, Consulting, Custom Development, 24x7 support


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