mail archive Compressed Caching for Linux
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Compressed Caching for Linux
Recent threads
Simon Kirby — 136632139218 Apr 2013
Hello! Got a lockdep warning on a box running 3.8.0. We were trying zram for swap to see if btrfsck would then fit ;) : [12808.907751] [12808.907784] ...
Zram and SwapCached (1 Reply)
DC-1 — 134271095619 Jul 2012*
Hi! I have a question about zram + swapcached. I know that zram is a compressed swap in memory, but linux use it's own internal SwapCached area to...
Mélodie — 133426549012 Apr 2012*
Hello, I have been a user of Compcache almost since the beginning. I had installed it to Archlinux, when it came out in version 5.x, then with the ver...
Swapping to RAM activates harddrive. (1 Reply)
Ole Tange — 131177606427 Jul 2011*
I am trying to test compcache on my 8 GB laptop before putting compcache into production on our 256 GB servers. It is, however, not working out very w...
(no subject) (1 Reply)
Fabio Buda — 129644310631 Jan 2011*
Hello folks, I've started a project called Virtcloud; virtcloud aims to release some advanced software preinstalled in a Virtual Machine for testi...
Mike Cao — 129317508924 Dec 2010*
Hi, All I design following 2 scenarios: Scenario 1: 1.Initialize TWO zram devices with 100MB each. #zramconfig /dev/zram0 --disksize_kb=102400 –init...
clemens fischer — 128923186308 Nov 2010*
'uname -rms' -> Linux 2.6.36-spott i686 Hi, I've been running compcache.googlecode.com/hg since 2.6.34.x. The latest interface needed o...
[OFFTOPIC] SD wear-levelling (was: (no subject)) (3 Replies)
John Kielkopf — 128370123405 Sep 2010*
queuing", > so after writing the first sector in a sequence, the card is supposed to > be in a state where the write is completed (even if ...
(no subject) (1 Reply)
John Kielkopf — 128332663701 Sep 2010*
since the > algorithm used by the translation layer varies. The only relevant thing that varies from SD card to SD card is the size of the erase bl...
Compressed swapping to nand memory (3 Replies)
John Kielkopf — 128325170931 Aug 2010*
One area where comcache has been a big help is on older Android phones with limited memory. Unfortunately even compcache is not able to effectively de...
Nitin Gupta — 127929850416 Jul 2010
FYI. Any help with code reviews/testing/performance numbers would be appreciated :) Link to patches is at the end. Cheers, Nitin Frequently accessed f...
swap-device write failure under low memory (3 Replies)
Uma shankar — 127891757612 Jul 2010*
Hello nitin, Occasionally, xvMalloc will try to grow the pool. This memory allocation can fail under low memory. This will be informed to the kernel a...
Is swap notify in 2.6.34? (5 Replies)
Clemens Eisserer — 127527899231 May 2010*
Hi, First of all a big thank you work working on compcache! Is sawp notify support already in 2.6.34, or if not, is integration into mainline planned?...
Nitin Gupta — 127496983227 May 2010
Hi All, FYI... Entire thread can be found here: http://thread.gmane.org/gmane.linux.drivers.d... Any comments/reviews/test results welcome! Thanks, Ni...
John McCabe-Dansted — 127475664025 May 2010
It has just been announced that Maverick will have the 2.6.35 kernel. https://wiki.ubuntu.com/Kernel/UDSMaverick So we will have proper compcache in M...
Gordan Bobic — 126935744223 Mar 2010
Is there any reason why vmstat -d should always report 0s for all output columns of ramzswap block devices? Thanks. Gordan...
John McCabe-Dansted — 126823612110 Mar 2010*
I understand that swap_free_notify_fn did not make its way into 2.6.33. I also cannot find it in patch-2.6.34-rc1.bz2. "So if you feel like you s...
John McCabe-Dansted — 126378331018 Jan 2010*
Hi, I am using swap_notify now. However I have noticed that although the ComprDataSize shrinks as swap is freed, the MemUsedTotal stays relatively hig...
cant compile with 2.6.32 - Arch linux (4 Replies)
Tibor Bamhor — 126350767914 Jan 2010*
Hi all, are you aware of any problems with compilation against 2.6.32 kernel? Please, visit this site: http://aur.archlinux.org/packages.php?ID=1924.....
John McCabe-Dansted — 126265917705 Jan 2010*
I did a benchmark on an Eeepc 701 4G netbook, which has 512MB of ram. I booted off a Ubuntu 9.10 Kingston USB Datatraveler 4G G2 that was created with...