Re: Arm-Koji buildsystem will be down for maintenance

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On Fri, 2012-11-16 at 13:41 -0500, Jon Masters wrote:
> So, can you perhaps provide a bit more detail? We know you've been
> looking at options around the tables, but...more info?

Long story short: db dump & reload for storage packing, with an LVM
snapshot as a safety net; should be done in about 20 minutes. Tests on a
parallel machine show a 500x performance improvement.

(Investigations into PostgreSQL being insanely brain-dead continue.
Example: query strategy for "SELECT COUNT(*) FROM FOO;" involves a
"Sequential scan over 1496312 records." Srsly?)

-Chris

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