Re: [Xen-devel] [PATCH v3] tools/xenconsoled: Increase file descriptor limit

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Tue, Feb 17, 2015 at 05:55:52PM +0000, Andrew Cooper wrote:
> XenServer's VM density testing uncovered a regression when moving from
> sysvinit to systemd where the file descriptor limit dropped from 4096 to
> 1024. (XenServer had previously inserted a ulimit statement into its
> initscripts.)
> 
> One solution is to use LimitNOFILE=4096 in xenconsoled.service to match the
> lost ulimit, but that is only a stopgap solution.
> 
> As Xenconsoled genuinely needs a large number of file descriptors if a large
> number of domains are running, and is well behaved with its descriptors,
> attempt to up the limit to the system maximum.
> 
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> CC: Ian Campbell <Ian.Campbell@xxxxxxxxxx>
> CC: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
> CC: Wei Liu <wei.liu2@xxxxxxxxxx>

Acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>

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