Re: sequential versus random I/O
From: Roberto Spadim <hidden>
Date: 2014-01-30 01:03:30
ops this one is the last... http://kernel.dk/blk-mq.pdf https://lwn.net/Articles/552904/ http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=320ae51feed5c2f13664aa05a76bec198967e04d http://kernelnewbies.org/LinuxChanges#head-d433b7e91267144d5ad63dc96789f97519a73422 :) sorry 2014-01-29 Roberto Spadim [off-list ref]:
hummm, another thing.... since you have nfs, you need network... did you enabled jumbo frames? http://en.wikipedia.org/wiki/Jumbo_frame https://wiki.archlinux.org/index.php/Jumbo_Frames sorry many mails guys, that's the last one =) 2014-01-29 Roberto Spadim [off-list ref]:quoted
check this too: http://www.hardwaresecrets.com/article/315 http://en.wikipedia.org/wiki/Native_Command_Queuing http://en.wikipedia.org/wiki/TCQ http://en.wikipedia.org/wiki/I/O_scheduling http://en.wikipedia.org/wiki/Deadline_scheduler http://en.wikipedia.org/wiki/CFQ http://en.wikipedia.org/wiki/Anticipatory_scheduling http://en.wikipedia.org/wiki/Noop_scheduler http://doc.opensuse.org/products/draft/SLES/SLES-tuning_sd_draft/cha.tuning.io.html and many others-- Roberto Spadim
-- Roberto Spadim