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Bug 37989 - PDNS SQL high load, CPU load high, already fixed, Patched version needed in portage
Summary: PDNS SQL high load, CPU load high, already fixed, Patched version needed in p...
Status: RESOLVED FIXED
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: New packages (show other bugs)
Hardware: x86 Linux
: High critical (vote)
Assignee: Jared H. Hudson (RETIRED)
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2004-01-12 10:57 UTC by Mark Rawson
Modified: 2004-01-18 23:52 UTC (History)
0 users

See Also:
Package list:
Runtime testing required: ---


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Description Mark Rawson 2004-01-12 10:57:23 UTC
Hi,

A problem has recently occured on all linux systems using PDNS, the CPU load reaches around 2.00 and my MySQL server processed 100,000 within a few minutes the other day due to this bug, this means that PDNS will not work at all so I have had to install bind temporarily, could you please create a new ebuild including a patched version of PDNS. Thanks in advance.

Kind Regards
Mark Rawson

Reproducible: Always
Steps to Reproduce:
1. Install PDNS
2. Install MySQL
3. Setup PDNS
4. Start both programs

Actual Results:  
the CPU usage for one MySQL process reached around 70% and the CPU usage of 
PDNS reached around 30%

Expected Results:  
The software should have allowed the serving of DNS queries without any 
problems instead of many SQL queries and a high system load.

The address to see all the emails concerning this problem is: 
http://mailman.powerdns.com/pipermail/pdns-users/2004-January/date.html

The patch for this problem that needs to be included has been written by the 
software producer and can be found here: 
http://mailman.powerdns.com/pipermail/pdns-users/2004-January/001039.html
Comment 1 Frido Ferdinand 2004-01-17 04:05:16 UTC
No need to patch, 2.9.14 fixed the problem. A simple bump
would suffice:

http://doc.powerdns.com/changelog.html#CHANGELOG-2-9-14
Comment 2 Jared H. Hudson (RETIRED) gentoo-dev 2004-01-18 23:52:52 UTC
fixed under net-dns/pdns-2.9.15, thanks for letting me know.