Raja, Any progress with our issue ?
Based on the informations you gave, i reproduced the phenomenon with Tsung and a webserver. Ils there a quick fix / workaround de could use to lower the effect ? Thanks. Foucault Le 26 mars 2015 19:22, "Foucault de Bonneval" <[email protected]> a écrit : > Raja, > > Ho yes please backport to 1.10 branch !!!! > > Foucault > Le 26 mars 2015 19:16, "Rajagopalan Sivaramakrishnan" <[email protected]> > a écrit : > >> Hi Foucault, >> We found a memory leak in the vrouter module that could be causing >> this, although we cannot be certain. >> The leak is triggered when a new flow is created in vrouter. A fix is in >> the works for the latest release. If >> you would like us to port the change to a specific earlier release, >> please let us know. >> >> Thanks, >> >> Raja >> >> From: Foucault de Bonneval <[email protected]> >> Date: Wednesday, March 25, 2015 at 10:40 AM >> To: "[email protected]" <[email protected]> >> Subject: [opencontrail-dev] mem leak on compute nodes >> >> Hi all, >> >> We actually have an issue on a few compute nodes. >> >> We met a phenomenon last septembre, that was (it seemed) fixed by >> Sylvain Afchain, there : >> https://review.opencontrail.org/#/c/4868/ >> >> We actually are running last 1.10 with a build from the end of february. >> >> The first symptom is that we have a few hypervisonrs that start swaping. >> >> After investigations, it appears that the command "free" returns normal >> values. >> >> Seen bellow the swaptop and free -m returns. >> >> After investigations, it appears that we have a huge consuption of >> "Unreclaim" memory. >> See the graphs with 1/30 days history. >> >> We are running 3.13.0-44-generic #73~precise1-Ubuntu SMP on Ubuntu >> precise. >> >> Any clue ? Any things I should add to improve the debug ? >> >> >> Thanks, >> Foucault >> >> >> ######################################################################### >> % swaptop >> 190056 qemu-system-x86 15822 >> 124276 qemu-system-x86 20430 >> 70796 qemu-system-x86 3989 >> 59412 qemu-system-x86 5760 >> 18436 qemu-system-x86 47386 >> 17616 qemu-system-x86 23791 >> >> >> ######################################################################### >> % free -m >> total used free shared buffers cached >> Mem: 96638 43614 53024 0 331 33478 >> -/+ buffers/cache: 9803 86834 >> Swap: 975 460 515 >> >> >> ######################################################################### >> % modinfo vrouter >> filename: >> /lib/modules/3.13.0-44-generic/extra/net/vrouter/vrouter.ko >> version: 1.0 >> license: GPL >> srcversion: D1BE1580CF8A8DD31B26BC0 >> depends: >> vermagic: 3.13.0-44-generic SMP mod_unload modversions >> parm: vr_flow_entries:int >> parm: vr_oflow_entries:int >> parm: vr_bridge_entries:int >> parm: vr_bridge_oentries:int >> parm: vrouter_dbg:Set 1 for pkt dumping and 0 to disable, >> default value is 0 (int) >> >> >> ######################################################################### >> % dropstats >> GARP 0 >> ARP notme 752453 >> Invalid ARPs 0 >> >> Invalid IF 42 >> Trap No IF 0 >> IF TX Discard 0 >> IF Drop 29780 >> IF RX Discard 0 >> >> Flow Unusable 0 >> Flow No Memory 0 >> Flow Table Full 0 >> Flow NAT no rflow 0 >> Flow Action Drop 5991 >> Flow Action Invalid 0 >> Flow Invalid Protocol 0 >> Flow Queue Limit Exceeded 1 >> >> Discards 539 >> TTL Exceeded 0 >> Mcast Clone Fail 0 >> Cloned Original 1003 >> >> Invalid NH 62 >> Invalid Label 0 >> Invalid Protocol 0 >> Rewrite Fail 0 >> Invalid Mcast Source 0 >> >> Push Fails 0 >> Pull Fails 9 >> Duplicated 581 >> Head Alloc Fails 0 >> Head Space Reserve Fails 0 >> PCOW fails 0 >> Invalid Packets 0 >> >> Misc 0 >> Nowhere to go 0 >> Checksum errors 73 >> No Fmd 0 >> Ivalid VNID 0 >> Fragment errors 14 >> Invalid Source 388 >> >> >>
_______________________________________________ Dev mailing list [email protected] http://lists.opencontrail.org/mailman/listinfo/dev_lists.opencontrail.org
