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<DIV><FONT face=Arial size=2>Ok, I use pdns as the dns for our mail
server,</FONT></DIV>
<DIV><FONT face=Arial size=2>but every time we get hit with spam ( about
1,000,000 ata time ) the pdns server backs right up and slows down to
nothing.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>I've looked at <A
href="http://doc.powerdns.com/performance.html"><FONT face="Times New Roman"
size=3>http://doc.powerdns.com/performance.html</FONT></A></FONT></DIV>
<DIV><FONT face=Arial size=2>and configured my servers are it says to
there.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>I'm using redhat 9.1, with 256 mb ram and a
233p1</FONT><FONT face=Arial size=2>.</FONT></DIV>
<DIV><FONT face=Arial size=2>mysql is the backend, with the pdns recursor
running.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV>Uptime: 1.72 days Queries/second, 1, 5, 10 minute averages: 0.0404, 0.0189,
0.217. Max queries/second: 111<BR>Cache hitrate, 1, 5, 10 minute averages:
0.043%, 6%, 1.4%<BR>Backend query cache hitrate, 1, 5, 10 minute averages: 68%,
61%, 54%<BR>Backend query load, 1, 5, 10 minute averages: 0.0255, 0.0138, 0.194.
Max queries/second: 57<BR>Total queries: 5153460. Question/answer latency:
12.8ms</DIV>
<DIV> </DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>[root@ns1 powerdns]# vmstat 1<BR>
procs
memory
swap
io system
cpu<BR> r b w swpd free
buff cache si so
bi bo in cs us sy
id<BR> 0 0 0 248020 4944
1728 8348 20 61
23 90 242 229 39 7 54<BR> 0
0 0 248020 4944 1728
8348 0 0
0 0 108 25 1 2
97<BR> 0 0 0 248020 4936
1736 8348 0 48
0 72 120 28 1 2
97<BR> 0 0 0 248020 4936
1736 8348 0 48
0 48 110 29 2 1
97<BR> 0 0 0 248020 4936
1736 8348 0
0 0 0
108 18 0 3 97<BR> 0 0 0
248020 4936 1736 8348
0 56 0 56
108 23 1 2 97<BR> 0 0 0
248020 4936 1736 8348
0 0 0 0
107 19 1 2 97<BR> 1 0 0
248020 4936 1736 8348
0 68 0 68
133 27 1 2 97<BR> 1 0 1
248020 4936 1736 8348
0 0 0 0
107 24 2 5 93<BR> 2 0 0
248020 4936 1736 8348
0 36 0 36
107 27 1 2 97<BR> 1 0 0
248020 4936 1736 8348
0 0 0 0
106 21 0 3 97<BR> 0 0 0
248020 4936 1724 8360
0 28 0 28
108 22 3 0 97<BR> 0 0 0
248020 4936 1724 8360
0 0 0 0
139 25 1 2 97<BR> 0 0 0
248020 4936 1712 8372
0 60 0 60
107 24 0 3 97<BR> 0 0 0
248020 4936 1712 8372
0 0 0 0
106 20 0 3 97<BR> 0 0 0
248020 4936 1704 8380
0 40 0 40
109 21 1 2 97<BR> 0 0 0
248020 4936 1704 8380
0 0 0 0
107 22 2 1 97<BR> 0 0 0
248020 4936 1704 8380
0 36 0 36
132 24 1 2 97<BR> 0 0 0
248020 4936 1704 8380
0 0 0 0
107 23 1 2 97<BR> 0 0 0
248020 4936 1704 8380
0 44 0 44
107 22 1 2 97<BR> 0 0 0
248020 4936 1704 8380
0 0 0 0
107 21 1 3 96<BR> 0 0 0
248020 4936 1704 8380
0 40 0 40
109 22 1 2 97<BR> 2 0 0
248020 4932 1704 8380
0 0 0 0
141 141 32 2 66<BR> 0 0 0 248020
4932 1704 8380 0
32 0 32 107 302
66 8 26<BR> 0 0 0 248020 4932
1704 8380 0
0 0 0
108 22 3 0 97<BR> 0 0 0
248020 4932 1704 8380
0 40 0 40
106 21 2 1 97<BR> 0 0 0
248020 4932 1704 8380
0 0 0 0
107 22 3 0 97<BR> 0 0 0
248020 4928 1712 8380
0 36 0 56
127 30 2 1 97<BR> 0 0 0
248020 4928 1712 8380
0 0 0 0
107 22 3 0 97<BR> 0 0 0
248020 4928 1712 8380
0 28 0 28
109 23 2 1 97<BR> 0 0 0
248020 4928 1704 8388
0 52 0 52
108 22 1 2 97<BR> 0 0 0
248020 4928 1704 8388
0 0 0 28
141 22 2 2 96<BR> 0 0 0
248020 4928 1692 8400
0 28 0 28
107 29 1 6 93<BR> 0 0 0
248020 4928 1692 8400
0 0 0 0
108 18 1 2 97<BR> 0 0 0
248020 4928 1680 8412
0 40 0 40
108 26 1 2 97<BR> 1 0 0
248020 4928 1680 8412
0 0 0 0
106 19 0 3 97<BR> 0 0 0
248020 4928 1672 8420
0 56 0 56
138 31 33 13 55<BR> 0 0 0 248020
4928 1672 8420 0
0 0 0
109 20 0 3 97<BR> 0 0 0
248020 4928 1660 8432
0 36 0 36
108 26 1 2 97<BR> 0 0 0
248020 4928 1660 8432
0 0 0 0
107 20 0 3 97<BR> 0 0 0
248020 4928 1656 8436
0 36 0 36
108 25 3 0 97<BR> 0 0 0
248020 4928 1656 8436
0 0 0 0
127 24 2 1 97<BR> 0 0 0
248020 4928 1648 8444
0 40 0 40
108 25 2 1 97<BR> 0 0 0
248020 4928 1648 8444
0 0 0 0
107 20 1 2 97<BR> 0 0 0
248020 4928 1640 8452
0 28 0 28
108 22 1 2 97<BR> 0 0 0
248020 4928 1640 8452
0 0 0 0
107 21 1 2 97<BR> 0 0 0
248020 4928 1640 8452
0 36 0 36
124 24 1 2 97<BR> 1 0 0
248020 4928 1640 8452
0 0 0 0
108 24 0 3 97<BR> 0 0 0
248020 4928 1640 8452
0 32 0 32
107 21 3 0 97<BR> 0 0 0
248020 4928 1640 8452
0 0 0 0
109 22 0 3 97<BR> 0 0 0
248020 4928 1632 8460
0 32 0 32
109 22 1 2 97<BR> 0 0 0
248020 4928 1632 8460
0 0 0 0
133 24 1 2 97</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>can any one suggestions as to what i can
do about this issue?<BR>will there be any performance improvments in the new
release?</FONT></DIV>
<DIV>12.8ms is just way too much latency, I mean i old dns server was just
windows port of Bind</DIV>
<DIV>running on an old NT4 box. I find it hard to imagin that is a better setup
then pdns.</DIV>
<DIV> </DIV>
<DIV><FONT face=Arial size=2>thanks in advance for your time!</FONT></DIV>
<DIV><FONT face=Arial size=2>Ken</FONT></DIV></BODY></HTML>