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
>
>
>
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