Re: [Pdns-users] Performance issues

2018-09-13 Thread James Cloos
I did a quite test vs postgres of that query. This instance has 40 zones and about 2.25k records. Explain analyze reports: QUERY PLAN Limit (cost=105.26..105.27 rows=1 width=72) (actual time=0.542..0.542 rows=1 loops=1) -> Sort (cost=105.26..105.46 rows=78 width=72) (actual time=0.541..0.5

Re: [Pdns-users] Performance issues

2018-09-13 Thread Martijn Reening
Hello, This is an update in our attempts to debug the performance issues on our nameservers. We have found the main source of the timeouts: it was caused by a somewhat larger zone (12699 records, 4236 unique names). The zone was secured using DNSSEC. Let's Encrypt certificates are automatically r

Re: [Pdns-users] Performance issues

2018-07-30 Thread Klaus Darilion
Am 24.07.2018 um 13:54 schrieb Martijn Reening: > Hello everyone, > > We are seeing very vague issues with our PowerDNS setup where certain > sequences of requests can cause full queues and dropped queries. Under > normal circumstances, the server can handle more than 10 kqueries/sec, > but when

Re: [Pdns-users] Performance issues

2018-07-24 Thread Martijn Reening
> You do around 441 DNS queries/second. A single database connection > would therefore not be able to support your needs (given DNSSEC). We are currently running with 3 receiver-threads and 3 distributor-threads. We have tried every combination of 1, 3 and 4 of each of these parameters without muc

Re: [Pdns-users] Performance issues

2018-07-24 Thread bert hubert
On Tue, Jul 24, 2018 at 02:22:08PM +0200, Martijn Reening wrote: > We are running PowerDNS 4.1.3 and have tested against MySQL 5.1.73 en > PostgreSQL 10.4. It runs on CentOS 6.9, tested with both kernel versions > `2.6.32-696.20.1.el6.x86_64` and `4.15.13-x86_64-linode106`. Thanks! >1.32192 mi

Re: [Pdns-users] Performance issues

2018-07-24 Thread Martijn Reening
Hello Bert, We are running PowerDNS 4.1.3 and have tested against MySQL 5.1.73 en PostgreSQL 10.4. It runs on CentOS 6.9, tested with both kernel versions `2.6.32-696.20.1.el6.x86_64` and `4.15.13-x86_64-linode106`. Running bench-db for all domains reports: 1.32192 millisecond/lookup Retri

Re: [Pdns-users] Performance issues

2018-07-24 Thread bert hubert
On Tue, Jul 24, 2018 at 01:54:53PM +0200, Martijn Reening wrote: > We have run out of ideas where to look and what to tune. Perhaps anyone > here could help us further? could you tell us what database you run, what version of PowerDNS, what the output is of 'pdnsutil bench-db', what operating syst