[CRIU] [PATCH] fdstore: Print detailed error when queue is exhausted

Cyrill Gorcunov gorcunov at gmail.com
Mon Jun 25 20:40:36 MSK 2018


On Mon, Jun 25, 2018 at 10:20:18AM -0700, Andrey Vagin wrote:
> On Fri, Jun 22, 2018 at 02:48:26PM +0300, Cyrill Gorcunov wrote:
> > We use fdstore intensively for example when handling
> > bindmounted sockets and ghost dgram sockets. The system
> > limit for per-socket queue may not be enough if someone
> > generate lots of ghost sockets (150 and more as been
> > detected on default fedora 27).
> > 
> > We can't just increase system limits since thery are
> > global but instead lets print an error with list
> > of parameters to adjust. This will give a node
> > admin a way to process restore.
> 
> Do you understand that, in this case, we can't use fdstore to restore
> unix sockets?

An admin may increase the system limits, and thats all


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