[pve-devel] [PATCH v4 1/3] migrate: collect migration tunnel child process

Alexandre DERUMIER aderumier at odiso.com
Fri Jun 3 05:59:58 CEST 2016


>>I just notice that qemu dev are planning to add tls support to livemigration 

Seem that it's already commited for qemu 2.7

http://git.qemu.org/?p=qemu.git;a=commit;h=e122636562218b3d442cd2cd18fbc188dd9ce709

----- Mail original -----
De: "aderumier" <aderumier at odiso.com>
À: "dietmar" <dietmar at proxmox.com>, "pve-devel" <pve-devel at pve.proxmox.com>
Cc: "Thomas Lamprecht" <t.lamprecht at proxmox.com>
Envoyé: Vendredi 3 Juin 2016 05:55:38
Objet: Re: [pve-devel] [PATCH v4 1/3] migrate: collect migration tunnel child process

Hi, 

My 2 cents, but I just notice that qemu dev are planning to add tls support to livemigration 

https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg04644.html 


I think in the long term, it could be better than using ssh tunnel (which limit migration performance because of lack of multithreading) 



----- Mail original ----- 
De: "dietmar" <dietmar at proxmox.com> 
À: "Thomas Lamprecht" <t.lamprecht at proxmox.com>, "pve-devel" <pve-devel at pve.proxmox.com> 
Envoyé: Jeudi 2 Juin 2016 19:53:02 
Objet: Re: [pve-devel] [PATCH v4 1/3] migrate: collect migration tunnel child process 

And please note that waitpid is a particularly painful syscall when 
combined with perl. I a still not sure if the code is correct - what 
about EINTR and other errors? 


> > Oh, and thanks for the solution in the other answer, that seems nice. 
> > (And while I see your point I would not call mine serious drawback as it 
> > was only used once and hardcoded to 30, just drawback :) ) 
> 
> It was 20 in the first version, 30 in the second version, ... 
> 
> But the real problem is that I need to review all those patches. This may 
> look easy, but it is really time consuming task (as you see) if 
> patches contain too many changes at once ... 
> 
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