Re: [Ksummit-discuss] [CORE TOPIC] [TECH TOPIC] live kernel patching

[Andy Lutomirski <luto@amacapital.net>]

On Mon, May 5, 2014 at 7:00 AM, Chris Mason <clm@fb.com> wrote:
> On 05/02/2014 03:42 PM, Jiri Kosina wrote:
>>
>> Runtime/live kernel patching is becoming a topic these days. There are
>> several parallel implementations currently evolving in parallel (kpatch,
>> kgraft, criu-based solution, ksplice to some extent), all of them having
>> their pros and cons.
>>
>> It's clear that what is going to get merged at the end of the day would
>> have to be some super-position of the currently existing solutions.
>>
>> Finding a reasonable compromise might be challenging. Having discussion
>> between the groups working on those solutions (tech topic) and with
>> "general maintainer audience" to face the flame^W^W^Wobtain feedback
>> (core topic) would be very valuable step in converging to unified
>> solution.
>>
>> Suggested participants: see the list of "competing" projects above
>>
>
> Tons of interest in this topic here, mostly for the in-memory database
> workloads.

Would in-memory databases be happier if there were a way to kexec
without losing your data?

--Andy