Mailinglist Archive: zypp-devel (58 mails)

[Jano Kupec <jkupec@xxxxxxx>]

Rashmi Ranjan Mohanty wrote:
> Hi,
>
> I have added delta rpm support to ZMD for code 11 (SLE11, opensuse 11.0 and 
> opensuse 11.1)
> The zmd/rug/zen-upadater packages are available at the opensuse build service 
> repos
>
> http://download.opensuse.org/repositories/systemsmanagement://zlm/SLE_11/
> http://download.opensuse.org/repositories/systemsmanagement://zlm/openSUSE_11.0/
> http://download.opensuse.org/repositories/systemsmanagement://zlm/openSUSE_11.1/
>
> If the agent has registered YUM or NU service and delta rpms are available as 
> updates,
> then ZMD will download the delta rpms in stead of full rpm wherever possible. 
> In case applying
> the delta rpm fails, zmd will download the full rpm and install it

Nice. (I just can't figure out why you posted this here (the zypp-devel
list) :O)

> While doing update for large number of packages, if zmd preference 
> max-downloads is set to more than 1 (default value)
> surprisingly ZMD finishes the update even faster than zypper. Because while 
> zypper will wait to apply 
> the delta before downloading next delta, ZMD would be downloading another 
> delta while applying
> one downloaded delta.

Yes, this is good idea. In fact we want this too, but we won't probably
have it in the upcoming openSUSE release yet.

> Also ZMD installs the all the rpms in one shot after downloading 
> all the deltas. Thus reducing the chance of breaking the system in case of 
> network outage 
> in the middle of download.

We are currently working on this, too.

> I tried updating a opensuse 11.1 system with around 130 
> updates.(max-downloads set to 2)
>
> Time taken by ZMD/rug  : 12m10.285s
> Time taken by zypper      : 15m31.807s

nice

-- 
cheers,
jano


 Ján Kupec
 YaST team
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