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Number crunching :
Recent error: Cannot acquire lockfile.
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Bill G Send message Joined: 1 Jun 01 Posts: 1282 Credit: 187,688,550 RAC: 182 |
That's a very valid and astute observation. We had Ruelke drop his checkpoints to 120 seconds on his TR system because he was seeing so much constant HDD activity. I dropped mine to 120 and it only dropped the activity to 90% so I settled for 300 which on the graph show between 0 and 1%. Of course now it is a bit faster access with the N.2 SSD. Sorry for the delay in responding but I have had to see a few Dr.s. SETI@home classic workunits 4,019 SETI@home classic CPU time 34,348 hours |
Bill G Send message Joined: 1 Jun 01 Posts: 1282 Credit: 187,688,550 RAC: 182 |
If you take a look in any of the slots directories within the BOINC data directory, you should see a "boinc_lockfile" for each running task. BOINC checks to make sure that such a file doesn't already exist when a new task starts (or an old task restarts) so that it doesn't try to run two tasks in the same slot. I think the only time I've run into a lockfile problem is when I have a system crash and a slot doesn't get cleaned up properly following the reboot. Usually, completely shutting down BOINC, including the client, and then restarting it again, clears it up. Thanks Jeff for that very clear explaination of how that works. I am so glad that I can keep learning about how this all works. SETI@home classic workunits 4,019 SETI@home classic CPU time 34,348 hours |
Bill G Send message Joined: 1 Jun 01 Posts: 1282 Credit: 187,688,550 RAC: 182 |
On my 16c/32t system I see very little disk activity running 32 CPU tasks. HAL, that is not what I observed on my system. I do not know what the difference would actually be, but as they say YRMV. No errors recently, fingers crossed. SETI@home classic workunits 4,019 SETI@home classic CPU time 34,348 hours |
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