Re: [Ryu-devel] RYU can't get more than 21K flow entry to curl client

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HI Sir,

yes!
after change timeout to 5s, i can get all flows.

Thanks for great help

Mark

On 8/5/15 5:34 PM, Yi Tseng wrote:
> Hello
>
> I think it spent too much time to reply flow status(about 6.5 
> seconds), and
> default timeout is 1 second in ofctl.
> https://github.com/osrg/ryu/blob/master/ryu/lib/ofctl_v1_3.py#L29
>
>
> --
> Yi
>
> 2015-08-05 14:20 GMT+08:00 mark <ma...@in... 
> <mailto:ma...@in...>>:
>
>     Dear All,
>
>     i'm using RYU v3.19 to test Noviflow switch in lab.
>
>     *[ something i did ]*
>
>         1. push 21,000 flow through RYU to Novi switch.
>         2. using curl to query those 21,000 flow.
>
>     during my test,
>     install/get 18000 entry is OK, but with 21,000 flow, ryu can't get
>     all 21,000 entry.
>
>     tcpdump on RYU,
>     can see Novi send much MultiPart_Reply to RYU.
>     looks like ryu didn't return results to CURL client.
>     i got empty list, below.
>
>     *mark@Ryu-1:~$ ./get_flow.py 10.1.9.51 8080 49
>     ['http://10.1.9.51:8080/stats/flow/49']
>       % Total    % Received % Xferd  Average Speed Time    Time    
>     Time  Current
>                                      Dload  Upload Total   Spent   
>     Left  Speed
>     100    10  100    10    0     0      9      0 0:00:01  0:00:01
>     --:--:--     9
>      ###############################################################################
>
>     {
>         "49": []
>     }
>
>      ###############################################################################
>
>     mark@Ryu-1:~$ curl -X GET http://10.1.9.51:8080/stats/flow/49
>     {"49": []}mark@Ryu-1:~$**
>     *
>
>     *[ here are my test env. and log ]*
>
>         1. ryu_ip: 10.1.9.51 / Novi_ip: 10.1.25.23
>
>         2. Novi switch flow entry below:
>
>     *Table 0 (21000 entries)*
>     [FLOW_ENTRIES]
>         [FLOW_ENTRIES1]
>             Timestamp     = Wed Aug  5 13:49:44 2015
>             ofp_version   = 4
>             Priority      = 9500
>             Idle_timeout  = 0
>             Hard_timeout  = 0
>             Packet_count  = 0
>             Byte_count    = 0
>             Cookie        = 251c
>             Send_flow_rem = false
>             [MATCHFIELDS]
>                 OFPXMT_OFB_IN_PORT = 13
>                 OFPXMT_OFB_ETH_TYPE = 0x806
>                 OFPXMT_OFB_VLAN_VID = 506(OFPVID_PRESENT=1)
>                 OFPXMT_OFB_ARP_SPA = 11.0.0.1 & 255.255.255.255
>                 OFPXMT_OFB_ARP_TPA = 20.0.1.244 & 255.255.255.255
>                 OFPXMT_OFB_ARP_SHA = 11:00:00:00:00:01
>                 OFPXMT_OFB_ARP_THA = 20:00:00:00:01:f4
>             [INSTRUCTIONS]
>                 [OFPIT_APPLY_ACTIONS]
>                      [ACTIONS]
>                         [OFPAT_SET_FIELD]
>                             OFPXMT_OFB_VLAN_VID = 507(OFPVID_PRESENT=0)
>                         [OFPAT_OUTPUT]
>                             port = 14
>         [FLOW_ENTRIES2]
>             Timestamp     = Wed Aug  5 13:49:44 2015
>             ofp_version   = 4
>             Priority      = 9500
>             Idle_timeout  = 0
>             Hard_timeout  = 0
>             Packet_count  = 0
>             Byte_count    = 0
>             Cookie        = 251c
>             Send_flow_rem = false
>             [MATCHFIELDS]
>     >>>
>
>         3. ryu debug log as attached "0805_ryu+21000.txt"
>
>         4. attached pcap file i capture on RYU, as "0805_21000.pcap"
>
>     Please kindly help to verify this issue.
>
>     BR,
>     Mark
>
>
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>
>
> -- 
> Yi Tseng (a.k.a Takeshi)
> Taiwan National Chiao Tung University
> Department of Computer Science
> W2CNLab

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