Re: [Xen-users] RLE Compression

[Minalkumar Patel <patel_mp@xxxxxxxxxxx>]

 

how to import script using xl migrate command? if i want to print "hello world ",how can i able to do that?

do we need to re-complile complete xen code?

On Monday, 17 November 2014 12:06 AM, Minalkumar Patel <patel_mp@xxxxxxxxxxx> wrote:

i want to use Run length encoding for live migration. The importance of it is to avoid repeatedly transmitting same pages so we can
send only differences.

this is already developed in xen 4.2 with xc_compression.c BUT i want to write code in migrate.py (for xend/xm) for run lenght. 
how can this possible? how to understand memory pages structure in xm? may i need to write RPC procedure (in C) for that?

using xen xl migrate with -s option, if i want to write script to import code of memroy compression then how can i achive this?

please suggest in detail

 

On Wednesday, 12 November 2014 3:07 AM, Minalkumar Patel <patel_mp@xxxxxxxxxxx> wrote:

 

On Tuesday, 11 November 2014 5:29 PM, Minalkumar Patel <patel_mp@xxxxxxxxxxx> wrote:

i want to use Run length encoding for live migration. The importance of it is to avoid repeatedly transmitting same pages so we can
use only diffrences.

this is already developed in xen 4.2 with xc_compression.c BUT i want to write code in migrate.py (for xend/xm) for run lenght.
how can this possible? how to understand memory pages structure in xm? may i need to write RPC procedure (in C) for that?

Regards,

 

On Monday, 3 November 2014 10:34 AM, Minalkumar Patel <patel_mp@xxxxxxxxxxx> wrote:

using xen with -s option, if i want to write script to import code of memroy compression then how can i achive this?

please suggest in detail.

On Wednesday, 3 September 2014 2:26 PM, Ian Campbell <Ian.Campbell@xxxxxxxxxx> wrote:

On Tue, 2014-09-02 at 13:47 +0800, Minalkumar Patel wrote:
> 
> how compression are being done during migrartion?

It's not, this isn't currently a feature of xl migrate.

>  how can i merge lz or quicklz c code into xen? is there any other
> option to do compression with xl migrate command?

I'm afraid this is going to involve writing a patch for xl to add this
feature, since there is no such option currently.

You might be able to bodge something using the -s option to provide your
own transprt script wraps the transfer in compression.

Ian.

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