On Fri, Dec 13, 2013 at 10:06:34AM -0500, Justin Piszcz wrote: > 1. Yes, there are only 17 instances of EAGAIN for the first 10-20GB (test > run), the strace log is now filled with read and write activity.
That's great. > 2. The default buffer size remains 65536 (as shown in strace) (with the > default buffer size and with 0x20000) > > Testing with a higher buffer size as noted in the previous e-mail (0x20000) > > 0x20000:: Unbelievable! With this buffer optimization I am seeing peaks of > 970MiB/s++ on 3.12.x: > `...-11e0-a3b1-806e6f6e6963.vhd' at 78537702112 (50%) 977.35M/s eta:81s > [Receiv > > RESULTS:: > 156505837056 bytes transferred in 159 seconds (939.49M/s) > > 5.86user 152.38system 2:38.88elapsed 99%CPU (0avgtext+0avgdata > 3244maxresident)k Ok, I think linux kernel should be optimized now - with that relation between user and system time, if system calls are used efficiently enough. -- Alexander. _______________________________________________ lftp-devel mailing list lftp-devel@uniyar.ac.ru http://univ.uniyar.ac.ru/mailman/listinfo/lftp-devel
