Posts by DreDre

1) Questions and Answers : Preferences : Boinc & Rosetta questions (Message 96099)
Posted 5 May 2020 by DreDre
Post:
Every day I am getting requests from Rosetta to increase space - FFS I already have 10GB allocated to BOINC - how much does Rosetta need???
It will tell you in those messages.

That was definetly rhetorical! The question is WHY does it need so much (and WHY is the required amount not indicated anywhere within this software?)

RAM requirements are roughly 1.3GB of RAM for each Task running. With HDD space allow roughly 310MB of HDD space for each Task you have downloaded- so the more Tasks you process at a time, and the larger your cache then the more HDD space you will need.

Great! I want to use 1GB maximum, so 3 tasks should do it. So how do I specify the amount of tasks I download then?


So set a small cache, and you'll reduce (a lot) the amount of HDD space needed.
eg store at least 1 days of work (or less), Store up to an additional 0.02 days of work.



If you're processing with all 6 CPUs and have a 1 Day cache, you'll need around 6GB of HDD space just for Rosetta. Add extra for other projects.
If one of your other projects uses a lot, then you'll need to add a lot more- check the Disk tab on the Manager to see what is using how much.[/quote]


Thankyou Grant - apologies for the late reply (I just found out the email notifications were never enabled!)

Your detail is very helpful as it seems Rosetta/Boinc expose very little about how to manage resources - it is beyond vague!

The annoying thing is that even in my frustration, I have reduced Rosetta to:
10 resource share (or 6.99%, of 4 projects)
50% CPu's (of 16 cores)
50% cpu time
Store at least 0.1 days of work
Store up to an additional 0.1 days of work
Use at most 1GB HD (this is not respected at all)

and after a project reset it downloaded 1 task (at the time I looked) and now has zero running tasks and occupying 1.67GB of storage (~80% of all projects usage), asking for more ("Rosetta needs 427.35MB more disk space. You currently have 1289.27 MB available and it needs 1716.61 MB. 02/05/2020 20:08:22") - ultiumately, the requested storage has not really reduced, and it is storing 1.67GB even when no Rosetta tasks are running)

So going by what you have written Rosetta should not be demanding so much storage, but it is!

Any ideas of how to DIRECTLY dictate to Rosetta what to use? even with number of tasks as above?

Do you know what the exact relationship/calculation between cpus --> tasks--> HDD space usage? (especially based upon my reported settings and number of cores)
It doesn't make sense to me to have to consider technical specifics like cores vs cache when all that is needed is the software takes the target ("use at most n GB storage") and then adjusts its variables to suit. This project is a major step backward in regards to user interface design and usability! (this comment is not for you, of course!)

I'm not sure if I posted this but I currently have a 16 core Ryzen 7 (although this has been an issue for my last few PCs, maybe prior to my first dual core)

I'm getting to the point that deleting the project is the only way I can avoid this as it impacts my other project (e.g. climate predictions never runs and WCG and Seti often lack space due to what Rosetta takes).

Please help!
and thanks again
2) Questions and Answers : Preferences : Boinc & Rosetta questions (Message 92240)
Posted 24 Mar 2020 by DreDre
Post:
Thanks again Sir Celery (and no thanks again Boinc for the non-notification!)

Now that I am forced to stay home I have some time to fix all my niggling issues (and I still need to virtualise my pc which is why I want storage space to minumum to reduce the overall base image size).

I have squished your suggestions into one set of settings (50% cpu and 100% of cpu time with 01./1.0 for work units) and I will tweak towards your suggestions over time.

I also realise that the settings hint toward the relationship:
Boinc --> project
thus there is a kind of master/macro setting for resource allocation (e.g. "2GB for Boinc == no more than 2GB in total across all projects (although the totals don't add up!)) so at least I can (potentially) cap the disk-space usage from the macro level.
project level is still a mess to control but I've taken your advice and will see how it goes. it doesn't help that Climateprediction.net has a default 1 hour delay for communication updates..

Thanks again
3) Questions and Answers : Preferences : Boinc & Rosetta questions (Message 91424)
Posted 2 Dec 2019 by DreDre
Post:
Thanks Much Mr. Celery! That certainly nails part of my question - I have 50/60% cpu/cputime and 0.5/0.5 for work units/additional - I'll look into your settings later and try to calculate the outcome cs my current ones.

I'm guessing from what you say I could set parameters to ensure I use no more than 1GB of disk for Rosetta without missing deadlines?
I wish we could just set the settings more explicitly instead of all these calcs (or at least have the results of our settings displayed as we set them!)

Oh and re: "in the Boinc Manager, under the Options menu, select Computing Preferences ... " these settings are read from the web, and as per my OP I dont see a non-project setting so these must be from one of the projects - do you know the source of the settings which populate the managers computing preferences tab?

Cheers.

DD
4) Questions and Answers : Preferences : Boinc & Rosetta questions (Message 91415)
Posted 29 Nov 2019 by DreDre
Post:
Thanks for your response Meek - apologies int he delay: I didnt receive a notification for this post!

re: web preferences - yes I use and understand that, but I have specific questions about this as per the OP.

re: work units per cpu - where is this defined exactly?

As per the OP - the settings speak of maximum disk space etc and I need to know how to have those settings followed by BOINC - in addition to my other questions.
As it stands disk usage demands do not match what I have specified in settings - maybe the settings aren't written to reflect what they actually do or something else needs to be set (or I don't understand them!)


Any help with specifics on how to achieve what I aim would be appreciated - simply allowing BOINC to 'use as much as it wants' is not a strategy, nor an approach I take with any program - systems are to be managed, not controlled by the applications needs!
5) Questions and Answers : Preferences : Boinc & Rosetta questions (Message 91340)
Posted 7 Nov 2019 by DreDre
Post:
Hi all,
I have been wrangling with dividing & defining my disk space amongst 4 projects (Rosetta, Seti, WCG, Climateprediction).

I have read a few threads on the topic but nothing definitive/that is straightforward.

My first question is, where are the web preferences read from? I have set the disk settings to be the same for all projects, but I suspect WCGs settings are used for the BOINC client - is this so? if so, why?! is there a global setting elsewhere separate from projects?

Noinc disk setting (web prefs, no local prefs used):
https://imgur.com/Xh2bDQA


Secondly, I am struggling to understand how much disk space projects need, especially Rosetta.

Rosetta (along with the other projects) is currently set to use 1GB max (I have read that more is "needed" but I'd rather be precise and have it scale its requirements to use what is provided above its minimum requirement, as all applications should) but it either uses tons of space if I make more available, or as it is now, it needs 953MB but says less is available. I can only guess that the 1GB I have specified is not being allocated and probably divided amongst all 4 projects. Can someone confirm what is happening vs the settings I have, as below?

Projects and share:
https://imgur.com/BPSFaX0

Current boinc project disk allocation:
https://imgur.com/oTckSPg

Rosetta space request:
https://imgur.com/gAGVKxQ

Every project is set to use 1GB disk max:
https://imgur.com/CPIeUMz


Cheers[/img]






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