I think, i am in the near of the solution of my problem. The search of a user is very fast (<1sec): ldbsearch -H /var/lib/samba/private/sam.ldb cn=Administrator
But the search of a record is very slow (~3sec): ldbsearch -H /var/lib/samba/private/sam.ldb -b DC=mb.intern,CN=MicrosoftDNS,CN=System,dc=mb,dc=intern dc=mbdom2 There are missing indexes in the ldb database?? Where can i can the index, or add some?? thanks! -------- Original-Nachricht -------- > Datum: Fri, 23 Nov 2012 14:32:31 -0800 > Von: Matthieu Patou <[email protected]> > An: [email protected] > Betreff: Re: [Samba] samba4 binddlz performance > On 11/19/2012 07:11 AM, Thomas Manninger wrote: > > Hello, > > > > i am using samba4rc2. > > > > I have problems with the bind9 dlz module, i get very long response > times from interal queries. > > > > root@s-srv01:~# dig s-srv04.test.local @192.168.0.4 > > > > ; <<>> DiG 9.8.0-P4 <<>> s-srv04.test.local @192.168.0.4 > > ;; global options: +cmd > > ;; Got answer: > > ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 64478 > > ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 1 > > > > ;; QUESTION SECTION: > > ;s-srv04.test.local. IN A > > > > ;; ANSWER SECTION: > > s-srv04.test.local. 900 IN A 192.168.0.4 > > > > ;; AUTHORITY SECTION: > > test.local. 900 IN NS s-srv01.test.local. > > test.local. 900 IN NS s-srv04.test.local. > > > > ;; ADDITIONAL SECTION: > > s-srv01.test.local. 900 IN A 192.168.0.1 > > > > ;; Query time: 1239 msec > > ;; SERVER: 192.168.0.4#53(192.168.0.4) > > ;; WHEN: Mon Nov 19 16:07:59 2012 > > ;; MSG SIZE rcvd: 108 > .local is normally used for mdns (see. > http://en.wikipedia.org/wiki/MDNS#Host_Discovery), can you try with > another kind of tld (ie. use domain test.corp). > > external queries are a little bit faster: > > > > root@s-srv01:~# dig google.com @192.168.0.4 > > > > ; <<>> DiG 9.8.0-P4 <<>> google.com @192.168.0.4 > > ;; global options: +cmd > > ;; Got answer: > > ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 56403 > > ;; flags: qr rd ra; QUERY: 1, ANSWER: 11, AUTHORITY: 13, ADDITIONAL: 6 > > > > ;; QUESTION SECTION: > > ;google.com. IN A > > > > ;; ANSWER SECTION: > > google.com. 300 IN A 173.194.35.135 > > google.com. 300 IN A 173.194.35.136 > > google.com. 300 IN A 173.194.35.137 > > google.com. 300 IN A 173.194.35.142 > > google.com. 300 IN A 173.194.35.128 > > google.com. 300 IN A 173.194.35.129 > > google.com. 300 IN A 173.194.35.130 > > google.com. 300 IN A 173.194.35.131 > > google.com. 300 IN A 173.194.35.132 > > google.com. 300 IN A 173.194.35.133 > > google.com. 300 IN A 173.194.35.134 > > > > ;; AUTHORITY SECTION: > > . 45846 IN NS a.root-servers.net. > > . 45846 IN NS c.root-servers.net. > > . 45846 IN NS b.root-servers.net. > > . 45846 IN NS g.root-servers.net. > > . 45846 IN NS f.root-servers.net. > > . 45846 IN NS j.root-servers.net. > > . 45846 IN NS e.root-servers.net. > > . 45846 IN NS i.root-servers.net. > > . 45846 IN NS l.root-servers.net. > > . 45846 IN NS k.root-servers.net. > > . 45846 IN NS h.root-servers.net. > > . 45846 IN NS d.root-servers.net. > > . 45846 IN NS m.root-servers.net. > > > > ;; ADDITIONAL SECTION: > > a.root-servers.net. 45846 IN A 198.41.0.4 > > b.root-servers.net. 45846 IN A 192.228.79.201 > > c.root-servers.net. 45846 IN A 192.33.4.12 > > d.root-servers.net. 45846 IN A 128.8.10.90 > > e.root-servers.net. 45846 IN A 192.203.230.10 > > f.root-servers.net. 45846 IN A 192.5.5.241 > > > > ;; Query time: 281 msec > > ;; SERVER: 192.168.0.4#53(192.168.0.4) > > ;; WHEN: Mon Nov 19 16:09:06 2012 > > ;; MSG SIZE rcvd: 511 > > > > > > When i change to the samba4 internal dns server, i get response time > about ~1-2ms. > > > > But why is the bind dlz modul so slooow..? > you can use kcachegrind to trace bind in foreground mode in order to see > where the time is spent. > > Matthieu. > > -- > Matthieu Patou > Samba Team > http://samba.org > > -- > To unsubscribe from this list go to the following URL and read the > instructions: https://lists.samba.org/mailman/options/samba -- To unsubscribe from this list go to the following URL and read the instructions: https://lists.samba.org/mailman/options/samba
