>it's a definite win for large configurations infrequent swapping, much >more additional RAM), as well as for small configurations where there's >a lot of swapping (faster than swapping). > >I wrote and use an init script that breaks up the zswap into n devices, >1 per cpu execution thread, to fully parallel the operation. If you >swap 64KiB at once with 8 core plus hyperthreading, the kernel will do >16 4k pages in parallel under that configuration--big, multi-CPU, >hypethreaded servers (it's a big 30% gain with parallel like threads, >i.e. compression) benefit much from this.
This is also done by zram-config package. >Less useful in VMs, where such things should really happen at the >hypervisor. > >On 12/07/2012 05:32 PM, Fabio Pedretti wrote: >> It would be nice if Ubuntu could include zram-config by default. This package >> set up compressed RAM swap space and can lower RAM requirements for running and >> installing Ubuntu. It should be a win for every configuration. Since kernel 3.8 >> the zram module is out of staging, I am using it since precise with no problem. >> >> The bug request is here: >> https://bugs.launchpad.net/ubuntu/+source/zram-config/+bug/381059 >> > -- Ubuntu-devel-discuss mailing list Ubuntu-devel-discuss@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-devel-discuss
