My experience with the official release of Sculpt TC

Guido Witmond guido at
Fri Jun 22 19:03:44 CEST 2018

On 06/22/2018 11:14 AM, Norman Feske wrote:
> Hi Guido,
>> 1. I noticed that the debian iso-download on this 06-21 image was
>> jittery, stopping the now-counter for a second every few MBs. Is that an
>> effect of these patches?
> I don't think so. I suppose you were testing this with the RAM fs? If
> yes, the jittery effect may be caused by the successive expansion of the
> RAM file system. Each time it runs out of RAM quota, it blocks until the
> sculpt manager explicitly increases the quota. The current quota is
> displayed as capacity value of the 'ram' storage item. When it stops for
> a moment, you'll most likely see the value increase shortly afterward,
> before the download continues.

I haven't seen the jitter with the RAM-fs, although I saw it expanding.

I noticed it with the freshly expanded GENODE partition on my usb-2 
stick. (the previously 'bad' one).

Perhaps it's too much people watching netflix...

>> 2. With the old (sculpt-tc) image, the debian download sometimes hang
>> with what looked like a filesystem lockup. 
> No. We rarely (I have seen it only twice in the last two months) observe
> instabilities of the rump-based file-system server. Once this happens,
> you may try closing the inspect window (by disabling all 'inspect'
> buttons), and then opening the inspect window for the ram fs (which
> should not be affected). Then you can inspect the '/report/log' for
> file-system-related error messages.
> It would be cool to secure the log should encounter the problem again.

I'll try to replicate it. Wish me luck.

Cheers, Guido.

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