Sebastian Gottschall <[email protected]> writes: > Am 16.09.2019 um 14:08 schrieb Toke Høiland-Jørgensen: >> Sebastian Gottschall <[email protected]> writes: >> >>> after we found out serious out of memory issues on smaller embedded >>> devices (128 mb ram) we made some benchmarks with different schedulers >>> with the result that cake takes a serious amount of memory. we use the >>> out of tree cake module and we use it class based since we have complex >>> methods of doing qos per interface, per mac addresse or even per >>> ip/network. so its not just simple cake on a single interface solution. >>> we made some benchmarks with different schedulers. does anybody have a >>> solution for making that better? >>> >>> HTB/FQ_CODEL ------- 62M >>> HTB/SFQ ------- 62M >>> HTB/PIE ------- 62M >>> HTB/FQ_CODEL_FAST ------- 67M >>> HTB/CAKE -------111M >>> >>> HFSC/FQ_CODEL_FAST ------- 47M >>> HTB/PIE ------- 49M >>> HTB/SFQ ------- 50M >>> HFSC /FQ_CODEL ------- 52M >>> HFSC/CAKE -------109M >> How are you measuring the memory usage, and what is your full config for >> each setup? :) > me? nothing. i requested this test from a reporter and he uses just free > / top. so there is a error tollerance.
Ah, I see. So this is just total system memory as reported by top. > but it shows a significant difference between cake and fq_codel etc. > cake is doing a OOM at the end > > for the full report including config screenshots see this > https://svn.dd-wrt.com/ticket/6798#comment:14. it shows also the qos > setup which i can use to reproduce and to > print out the full tc ruleset if required (which it surelly is for you). > if you want i will recreate this setup and send the tc rules on this > list Yes, please do. The output of 'tc -s qdisc' would be useful as well to see how much memory CAKE itself thinks it's using... Are you setting the memory_limit in your config or relying on CAKE's default? -Toke _______________________________________________ Cake mailing list [email protected] https://lists.bufferbloat.net/listinfo/cake
