Under normal circumstances, one of my servers handles dns for 180 domains and apache about 100 virtual servers.
Twice recently, once with 8.3 (cooker) and last night with 9.0 life turned sour. On a reboot, named loads zones very slowly - one every 20 to 30 seconds. Apache comes up broken in one way or another, last night it was PHP timing out on name resolution. In both cases cpu load was less than 0.2, memory was 25% of real memory and df never exceeds 50% for any partition. That is, the problem is not resources. Obviously, tasks are waiting for each other. An obvious fix is to put DNS on a separate server. Currently I have the server is doing DNS for its own domains. It shouldn't take too much of a machine to do my DNS. Another would be to get DNS to finish its load before starting other servers dependent on DNS. Is there a fix? Jim Tarvid
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