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From "daan Hoogland" <daan.hoogl...@gmail.com>
Subject Re: Review Request 21773: sysctl improvements regarding nf_conntrack_max, panic and nonlocal_bind
Date Thu, 14 Aug 2014 12:16:41 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/21773/#review50576
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45deade1df171d9ae5562111bf011ee913ff9dc0 on 4.3
c4d1bf7f2426bfddd96ab9415fe793647e67a5a4 on 4.4
c90bf1231f2baabff329f19bc195d1b626f9ce94 on master

- daan Hoogland


On May 26, 2014, 2:34 p.m., Joris van Lieshout wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/21773/
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> 
> (Updated May 26, 2014, 2:34 p.m.)
> 
> 
> Review request for cloudstack, Chiradeep Vittal, daan Hoogland, edison su, Hugo Trippaers,
and Sheng Yang.
> 
> 
> Repository: cloudstack-git
> 
> 
> Description
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> 
> net.ipv4.ip_nonlocal_bind = 1
> For smooth transition on redundant routers in case of a failover
> 
> kernel.panic = 10
> kernel.panic_on_oops = 1
> vm.panic_on_oom = 1
> This way, if the instance oops/ooms, it dies in a way that ACS sees it and can act on
it
> 
> net.nf_conntrack_max = 1000000
> net.netfilter.nf_conntrack_max = 1000000
> also up the limit of nf_conntrack for more performance
> 
> 
> Diffs
> -----
> 
>   systemvm/patches/debian/config/etc/sysctl.conf 586d5bd 
> 
> Diff: https://reviews.apache.org/r/21773/diff/
> 
> 
> Testing
> -------
> 
> we are running these settings in our beta and prod env for months allready, with good
results.
> 
> 
> Thanks,
> 
> Joris van Lieshout
> 
>


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