ср, 6 янв. 2021 г. в 20:25, Matthias G. Eckermann <[email protected]>:
> On 2021-01-06 T 20:15 +0300 Matwey V. Kornilov wrote: > > > On 2021-01-06 T 18:56 +0300 Matwey V. Kornilov wrote: > > > > > > Some historic background on the SUSE Linux Enterprise side (from > > > around 2016): one of the reasons to use btrfs for microSD cards > > > for SLES on RPi3 was that, combined with compression on the > > > filesystem level, the number of IOPS needed is reduced, and > > > booting (and other IO related activities) speeds up, as the cost > > > of (de)compression is lower than the IO latency. > > > > As far as I understand, you have to mount btrfs with `compress' > > option to force the compression by default. From what I see in > > openSUSE JeOS, there is no `compress' in /etc/fstab by default. > > Oops, I did not know. The images we are shipping for the Raspberrys > for SUSE Linux Enterprise Server 12 and 15 do have this enabled, and > it works nicely (and saves some space, ...). > You are right. The compression was enabled one year ago. Probably the system I checked was deployed before that. > > So long - > MgE > > > -- > Matthias G. Eckermann, Director Product Management Linux Platforms > SUSE Software Solutions Germany GmbH - Maxfeldstr. 5 - 90409 Nürnberg > (HRB 36809, AG Nürnberg) Geschäftsführer: Felix Imendörffer > -- With best regards, Matwey V. Kornilov
