Hi Guys, Thank you for taking the time to look into the issue.I checked "pdns_control version" command and it returns that the version is 2.9.21
*BH*, I have attached the config file, let me know if you have any problems accessing it, since I am not sure how this mailing list works. Our error log file is 17K lines so I have just attached the last 1000 results since the types of errors are pretty much identical.
When I ran the command "pdns_control list" it gives me: corrupt-packets=0,deferred-cache-inserts=20,deferred-cache-lookup=11,latency=0,packetcache-hit=3254,packetcache-miss=7039,packetcache-size=903,qsize-q=1,query-cache-hit=17260,query-cache-miss=14247,recursing-answers=0,recursing-questions=0,servfail-packets=0,tcp-answers=0,tcp-queries=0,timedout-packets=838,udp-answers=9417,udp-queries=10294,udp4-answers=9417,udp4-queries=10294,udp6-answers=0,udp6-queries=0,Apart from the basic ones I have not made any additional settings to pdns.conf. I read this http://doc.powerdns.com/upgrades.html and if I have to be honest I was not able to understand a great part of it. I started learning server administration only just recently so I am a newbie. I have a partner who handles that, but he will be unavailable for the next few months for personal reasons, so I am currently trying to deal with it.
*Stefan*, you are right about this: I left max-cache-entries and cache-ttl, negquery-cache-ttl, query-cache-ttl and recursive-cache-ttl unconfigured (BTW I do not see max-cache-entries is that its exact name or shall I add a new line with it in pdns.conf?). Could you please give me an idea of what values should I put there and how would that affect performance? There are quite a few combinations and I am not sure if I will be able to tweak them accordingly. "The same goes for MySQL as well of course." - Sorry I don't understand that, could you please clarify? What do I need to set to MySQL?
*Nils*, sorry about not confirming the packages at the very beginning. It was installed as part of another product we bought some time ago and only when we had to move servers recently did we realize that we are actually using PowerDNS. As mentioned above I confirm that the package is version 2.9.21 by running the command *pdns_control version* I think it was installed from a binary image, but again I am not 100% sure on that either. BTW when I ran: root@cu [~]# rpm -q pdns-server it gives me an error message: package pdns-server is not installed. And when I ran rpm -qa pdns-server it did not return anything.
Hope to hear from you soon. Best regards, Preslav BH wrote:
Hi Preslav, I run over 120,000 domains from a mySQL database and my memory usage averages about 200mb. Are you able to paste your config (redact the sensitive parts such as database details)? It would help to see the exact config thats running. Have you had a look at the syslogs to see if any errors are being reported there? Are you able to also paste the output of "pdns_control list"? It might be worth upgrading to the latest release (version 3) now too if thats possible. Regards On 17/10/2011 11:40 PM,ad...@cu.cc wrote:Hello, I am not sure is this is the right email to contact, but here is my issue: We are using power dns 2.9.21 (We had that installed for us, so I am not 100% sure if this is really the exact version, is there a way to check?). The installation is myslq backended running on centos-5-x86_64 VPS. We are offering a free domain registration and have more that 20 000 domains for which provide free DNS services. The problem is that in the last few weeks when the server is started its ram would constantly increase until it reached 10GB and our VPS crashed. Once we run the command /etc/init.d/pdns restart the ram of the VPS gets back to normal levels of 700-1000 MB. This was happening every 2-3 hours yesterday and we were forced to set a cronjob that would restart pdns every hour to avoid server downtime, but it is not a permanent resolution. I have read in forums people discussing that this is a bug which is caused by failed MySQL connections that are not completely closed and gather with the time and little by little consume the whole server memory. This was mainly noticed on configurations with less traffic. The difference with us however is that we have around 10K visitors per day on our main site only, so I am not sure if the problem is identical. Please advise how to resolve this issue. Best regards, Preslav _______________________________________________ Pdns-users mailing list Pdns-users@mailman.powerdns.com http://mailman.powerdns.com/mailman/listinfo/pdns-users_______________________________________________ Pdns-users mailing list Pdns-users@mailman.powerdns.com http://mailman.powerdns.com/mailman/listinfo/pdns-users
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