core dumps onto ZFS

[Mikhail T.]

No, most certainly not. In fact, it is hardly used at all... Only about 15% of the 9TB... Maybe, the log-device filled up - not sure.

Could core-dumping be bypassing something, thus triggering what normal writing would not?
-- 
Sent from mobile device, please, pardon shorthand.

25 лип. 2018 р. о 18:59 Kirk McKusick <mckusick at mckusick.com> пише:

> Is there any chance that your filesystem was more than 90% full?
> 
> Once ZFS gets past 90% full its performance drops precipitously.
> As it approaches completely full it locks up for minutes per write
> doing huge numbers of writes to its pool in an attempt to consolodate
> what little free space it has left into something big enough for
> it to use (which it sounds like is happening to you).
> 
>    Kirk McKusick