Re: [Dorset] Can my system run out of memory if my program continuously O/Ps messages to the shell?

2017-04-11 Thread Terry Coles
On Tuesday, 11 April 2017 13:23:36 BST Patrick Wigmore wrote: > On Tuesday, 11 April 2017, at 12:16:44 BST, Terry Coles wrote: > > Thanks. Now I can focus on the overheating. We were trying to > > avoid any holes in the case for ventilation. > > I don't want to jinx it, but you might find you ha

Re: [Dorset] Can my system run out of memory if my program continuously O/Ps messages to the shell?

2017-04-11 Thread Terry Coles
On Tuesday, 11 April 2017 13:00:29 BST Ralph Corderoy wrote: > Do you know what's generating the heat? Infra-red thermometer or > camera? Can anything be added that would conduct the heat from those to > the case or the internal heatsink? At this stage, I'm not completely certain that heat is th

Re: [Dorset] Can my system run out of memory if my program continuously O/Ps messages to the shell?

2017-04-11 Thread Patrick Wigmore
On Tuesday, 11 April 2017, at 12:16:44 BST, Terry Coles wrote: > Thanks. Now I can focus on the overheating. We were trying to > avoid any holes in the case for ventilation. I don't want to jinx it, but you might find you have to drill some drainage holes anyway. Water is a sly opponent! I'd ke

Re: [Dorset] Can my system run out of memory if my program continuously O/Ps messages to the shell?

2017-04-11 Thread Ralph Corderoy
Hi Terry, > We were trying to avoid any holes in the case for ventilation, so > cooling depends on internal circulation of the air to move the heat > from the hot-spots to a finned heatsink on the inside of the case. Do you know what's generating the heat? Infra-red thermometer or camera? Can a

Re: [Dorset] Can my system run out of memory if my program continuously O/Ps messages to the shell?

2017-04-11 Thread Terry Coles
On Tuesday, 11 April 2017 11:40:05 BST Ralph Corderoy wrote: > They take buffers and cache out of the equation. 785612 / 16204 = 48 so > you can withstand growth at that rate for quite a few multiples of your > monitoring period, if it's linear. Thanks. Now I can focus on the overheating. We we

Re: [Dorset] Can my system run out of memory if my program continuously O/Ps messages to the shell?

2017-04-11 Thread Ralph Corderoy
Hi Terry, > My interpretation of that is that free memory has declined (fairly > rapidly), but the values for shared, buffers and cached have increased > too. Presumably, that memory will be released by the OS when needed? Buffers and cache, yes. These are the interesting lines from your two ru

Re: [Dorset] Can my system run out of memory if my program continuously O/Ps messages to the shell?

2017-04-11 Thread Terry Coles
On Tuesday, 4 April 2017 07:13:42 BST Terry Coles wrote: > Thanks. There doesn't seem to be much in the way of memory leaks either; I > set the program running yesterday evening with dstat in another screen. > When launched, I had 794 MB free, this morning it is still over 700 MB. > > Since it g