[WBEL-users] PostgreSQL 8.0 ?

Mário Gamito gamito@netual.pt
Tue, 07 Dec 2004 21:51:11 +0000


Dear Lamar,

Thank you so much for the kindness of your answer and for the insightful 
words of experience that will surely be of great help to me.

Warm Regards,
Mário gamito

Lamar Owen wrote:
> On Tuesday 07 December 2004 15:11, Mário Gamito wrote:
> 
>>Now i need PostgreSQL 8.0 even though it's not been realesed as stable
>>yet. I cannot wait. My deadline is around the corner :(
>>I saw on PostgreSQL's FTP they have RHEL's RPMs for 8.0RC1
> 
> 
>>Straight to the point: if i grab them and make a rpm -Uvh to upgrade
>>from 7.3 to 8.0 (on WBEL, remember), will things run smoothly ?
> 
> 
> No, it will not.
> 
> You must dump your data, wipe the PGDATA directory tree, do the rpm upgrade, 
> start it with service postgresql start (NOT service rhdb start), let it do 
> the initdb, then restore your dump.  It may or may not restore cleanly, 
> depending on your customizations.
> 
> There may be other issues. 
> 
> But I seriously question the need to use non-stable software in release 
> candidate stage due to a deadline.  You may get egg in your face due to that; 
> IOW, what feature of 8.0 do you need that you absolutely cannot wait for?
> 
> BTW, I say all this with more than a little experience.  Up until last month I 
> was the RPM maintainer for the PostgreSQL Global Development Group (and had 
> been for five years), so this is an issue over which I have agonized time and 
> time again.  My lack of extra time, particularly in the 8.0 cycle, led me to 
> pass the torch to Devrim Gunduz in Turkey last month.
> 
> PostgreSQL major version upgrades are nearly as hard as kernel major version 
> upgrades (like 2.4.x to 2.6.x), so tread carefully.


-- 
Mário Gamito
Administração de sistemas e desenvolvimento
Netual - Multimédia e Telecomunicações, Lda.
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Tel. +351 234 371 431 / Fax. +351 234 371 438
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