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From Patrick Hunt <ph...@apache.org>
Subject Re: Running 3.4 branch ZooKeeper on Linux with iptables
Date Sat, 27 Aug 2016 01:22:36 GMT
I've not seen this but I remember Kishore mentioning they had run with
iptable based testing at some point, Kishore any insight?

Patrick

On Thu, Aug 25, 2016 at 8:10 AM, Guy Laden <guy.laden@gmail.com> wrote:

> Is anybody running 3.4 branch ZooKeeper on Linux with iptables?
>
> We are running 3.4.6 and have run into conntrack silently expiring the
> leader election connections after they are idle for 5 days.
> (/proc/sys/net/netfilter/nf_conntrack_tcp_timeout_established)
> We then see leader election on some machines sometimes gets stuck for 15
> minutes or so, until the TCP socket times-out.
>
> This JIRA seems to fix this but only in 3.5 branch
> https://issues.apache.org/jira/browse/ZOOKEEPER-1748
>
> Does 3.4.8 make a difference to this issue?
>
> If not then this scenario does not seem rare - perhaps it is something to
> add to the wiki? (Will be happy to do it)
>

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