Finding out what causes swapping

Klaus · Post by **Klaus** » Wed May 28, 2014 12:29 am

Is swapping logged ?
And if, where ?
I suspect DP longtime - recording 32 tracks with a total of 2GB ram
Thank you for hints

and
best regards

Klaus

bayswater · Post by **bayswater** » Wed May 28, 2014 7:10 am

Activity Monitor shows swaps measured in GB. It used to also show the number of pages swapped, but not any more.

Klaus · Post by **Klaus** » Wed May 28, 2014 8:07 am

Thanks, I would like to see what exactly caused swapping - after a shut down
( ... the next day after the gig )

Klaus

bayswater · Post by **bayswater** » Wed May 28, 2014 8:12 am

With 2G of RAM and 10.6 or later, everything will cause swapping. IIRC you needed at least 8G to avoid it completely.

Klaus · Post by **Klaus** » Wed May 28, 2014 8:22 am

24 ch recording and mixing with Cuemix FX / DP *never ever* caused swapping, 3h in a row...

Now I record 32 ch from the X32Core's FW card ( with DP ), and I'd like to know if its DP
or the X32Core remote software...that is causing swapping

Klaus

FMiguelez · Post by **FMiguelez** » Wed May 28, 2014 9:03 am

2 GBs of RAM is practically nothing. That's probably what the OS needs to itself, at the bare minimum.

You need much more RAM!

Klaus · Post by **Klaus** » Wed May 28, 2014 9:13 am

1.4 GB free
all apps I need running
???

I don't do VIs...
It's live recording and mixing

???

Now please some spezi tell me how I can find out afterwards what caused swapping

Klaus

Shooshie · Post by **Shooshie** » Wed May 28, 2014 9:47 am

I just don't know of any software that will report the process that caused a memory page swap. That doesn't mean there's not one, but I've used a number of them, and not a one contained that information. Currently I use MenuMeters, which shows you all that's going on in real time up in your menu bar. But it doesn't label the process whose access required swapping out a page in RAM.

Shoosh

Klaus · Post by **Klaus** » Wed May 28, 2014 9:50 am

ok
thanks guys

and sorry for the waste of time

best

Klaus

Shooshie · Post by **Shooshie** » Wed May 28, 2014 10:10 am

Klaus wrote:ok
thanks guys

and sorry for the waste of time

best

Klaus

Never a waste of time when the intent is genuine!

Shoosh

bayswater · Post by **bayswater** » Wed May 28, 2014 10:47 am

I don't think there is an answer to your question. Swapping is done by the OS and is not specific to an application. It just swaps stuff out of RAM onto the disk, and the pages swapped out at any one time might contain data from many apps and OS elements.

Also, note that swapping happens before the RAM is actually all used up, so seeing that you are using less than 2G at any one time, doesn't mean you shouldn't expect swapping.

mikehalloran · Post by **mikehalloran** » Wed May 28, 2014 12:25 pm

You can see it in Console - if you want to go there.

Mavericks handles memory differently than other OS and does less swapping than was done before.

https://discussions.apple.com/thread/5963087

MOTUnation.com

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