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From Mika Linnanoja <mika.linnan...@rovio.com>
Subject Re: Unavailable partitions after upgrade to kafka 1.0.0
Date Tue, 24 Apr 2018 06:32:49 GMT
Morning, group.

On Mon, Apr 23, 2018 at 11:19 AM, Mika Linnanoja <mika.linnanoja@rovio.com>
> If nothing else, let this incident of ours serve as a warning to do
> exactly as the book (upgrade guide) says, not sort of wing it. Thanks for
> fast replies, lively mailing list!
> Mika

So yeah last night further 94 partitions became unavailable in the cluster.
Fix was the same as before.

Was checking the logs, looks like at least one broker ran out of heap
memory, i.e. the 1.0 bug.

We shall be upgrading to 1.0.1. That doesn't seem to have any special
instructions, so 1.0 -> 1.0.1 completely safe, no log/message/binary
version magics required, right?

Btw is there any way to force `unclean.leader.election.enable=true` on all
brokers globally, like in a config file default? Setting it up via the
add-config for all of our ~200 topics is a bit annoying. How about new


*Mika Linnanoja*
Senior Cloud Engineer
Games Technology
Rovio Entertainment Corp
Keilaranta 7, FIN - 02150 Espoo, Finland
Mobile: + 358 (0)50 487 3211

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