Operational Notification: Extremely large zone transfers can result in corrupted journal files or server process termination

Klaus Darilion klaus.mailinglists at pernau.at
Mon Jul 16 09:35:55 UTC 2018

Am 14.07.2018 um 00:38 schrieb Matthew Pounsett:
> On 13 July 2018 at 06:04, Michał Kępień <michal at isc.org> wrote:
>> Hopefully this will shed some light on the matter:
>>     https://gitlab.isc.org/isc-projects/bind9/issues/339#note_12805
>> That is helpful, thanks.  That comment says the issue requires a journal
> entry of over 4G, however the original bug report indicates it was
> triggered by a 1.6GiB IXFR.   But then I suppose there's not a 1:1
> relationship between the size of the zone transfer and the size of the
> journal entry.

The journal increases over time until it reaches "max-journal-size"
which will trigger a journal clean-up. I supsect if the journal is eg.
3G and you have an 1.6 IXFR it may crash your bind.


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