BIND-9.16.1 memory leak?

sthaug at sthaug at
Fri Apr 17 15:25:17 UTC 2020

>> We have what appears to be a significant memory leak in BIND-9.16.1.
> I seem to remember we got 'bitten' by large memory use when moving
> from a previous version of bind - do you have 'max-cache-size' set in
> your config?

Yes. Set to 1G. In reality it shouldn't need a cache at all, since
this is a purely authoritative server (recursion no).

So this doesn't appear to be the problem. But thanks for the

Steinar Haug, Nethelp consulting, sthaug at

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