Disable cache in bind 9.6

Matus UHLAR - fantomas uhlar at fantomas.sk
Wed Jan 21 12:49:24 UTC 2009


> >>> On 20.01.09 12:49, Dmitry Rybin wrote:
> >>>> How to disable cache in bind-9.6? ttl=0 - bad idea.

> >> Matus UHLAR - fantomas wrote:
> >>> if you know that setting TTL to 0 is a bad idea, why do yuo think that
> >>> disabling a cache in BIND is not a bad idea?

> > Dmitry Rybin wrote:
> >> Because under high load cache grows to maximum system size and stop
> >> responding to queues. This is known problem.

> Alan Clegg wrote:
> > This is NOT a "known problem" in 9.6.  Please provide your configuration
> > and logs that show the issue that you are having.

On 21.01.09 12:10, Dmitry Rybin wrote:
> this is known problem of all bind's. Bind grows up to 2Gb, become slowly
> answer to queries and can't restart, only kill -9. FreeBSD 5.x....7.1,
> Linux 2.6.

This is _NOT_ a problem of BIND. This is a problem of its admin who can't
read the docs and set up max-cache-size, which does exactly what is needed
in this case.

-- 
Matus UHLAR - fantomas, uhlar at fantomas.sk ; http://www.fantomas.sk/
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