On Sat, May 5, 2012 at 6:10 PM, meik michalke <meik.micha...@uni-duesseldorf.de> wrote: > hi, > > over the past few days, i collected some amount of data, i.e. a script > examined more than 120.000 XML documents. for a while this ran just fine, but > at a certain point the machine ran out of RAM. i then included a manual call > to gc() in the loop, which actually already removed all processed objects with > rm() so i didn't think i'd run into problems, but that still didn't really > help as much as i had thought. > > i just examined this a bit. calling gc() in RKWard *looks* like it really > frees memory, but on the system level i don't notice a significant reduction. > only after i close RKWard the memory level goes back considerably. can it be > that the memory freed by R is still occupied by RKWard throughout a session?
I just tried x <- rnorm (10^8) # wait rm (x) invisible (gc ()) and I can see the memory usage fall in htop as well as /proc/meminfo. Here is essential part of /proc/meminfo: Before rnorm (): MemTotal: 3914192 kB MemFree: 2325700 kB Buffers: 9932 kB Cached: 211476 kB SwapCached: 279992 kB Active: 890012 kB Before gc () MemTotal: 3914192 kB MemFree: 1558384 kB Buffers: 9976 kB Cached: 211500 kB SwapCached: 279404 kB Active: 1656728 kB After gc () MemTotal: 3914192 kB MemFree: 2340744 kB Buffers: 10004 kB Cached: 211532 kB SwapCached: 279480 kB Active: 875420 kB After closing rkward: MemTotal: 3914192 kB MemFree: 2406108 kB Buffers: 10012 kB Cached: 211528 kB SwapCached: 279468 kB Active: 811044 kB > viele grüße :: m.eik -- Prasenjit ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ RKWard-devel mailing list RKWard-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/rkward-devel
