Paul Robert,

This sounds on the face of it like an interesting possibility.   On the other 
hand, I looked at the page you linked to.  There I see many technical points 
that require an understanding of database configuration and administration that 
I certainly don't possess at this point in time.   I think it's asking a bit 
much of a non-DBA to come up to speed to tackle such a task to get better 
performance out of Spacewalk.

It would be more beneficial for someone who has already done partitioning to 
offer a description of the steps they went through including any calculations 
they had to make with their own Spacewalk database so that someone else could 
replicate the process.

Robert Boyd
Sr. Systems Engineer 
PeopleFluent
p. 919-645-2972 | c. 919-306-4681
e. [email protected]


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-----Original Message-----
From: [email protected] 
[mailto:[email protected]] On Behalf Of Paul Robert Marino
Sent: Wednesday, November 19, 2014 10:51 AM
To: [email protected]
Subject: Re: [Spacewalk-list] Migration from pgsql to oracle

Have you considered using a less drastic approach like partitioning some of the 
tables and tuning the ram.
I some how doubt the single CPU core per query it the problem because 
PostgreSQL is very good at handling bulk queries as opposed to lots of queries 
for tiny data sets.

Here is something you can check if  a directory named 
/var/lib/pgsql/data/pg_tmp exist on your system then your queries are exceeding 
the allowed rem for a single query and PostgreSQL is using that directory to 
essentially create swap files for queries if that is happening you need more 
ram or you need to tune your PostgreSQL server.

Here is a good place to start reading about table partitions 
https://wiki.postgresql.org/wiki/Table_partitioning that with constraint 
exclusion enabled in the config can help a lot with large data sets.










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