[ovs-discuss] /etc/openvswitch/conf.db filling up with lost of "ovn-controller: modifying OVS tunnels" updates

Numan Siddique numans at ovn.org
Mon Oct 25 14:08:29 UTC 2021


On Fri, Oct 22, 2021 at 9:30 AM Brendan Doyle <brendan.doyle at oracle.com> wrote:
>
> Hi,
>
>
> Looking at /etc/openvswitch/conf.db I see it getting very large:
>
> [root at pcacn001 ~]#  ls -l /etc/openvswitch/conf.db
> -rw-r--r--. 1 root root 6069248828 Oct 22 11:55 /etc/openvswitch/conf.db
>
> And has lots and lots (mostly)  "ovn-controller: modifying OVS tunnels"
> updates entries, like below.
> What are these? it does not seem normal?
> OVSDB JSON 4687 00e8788dd5d9af2aac5ca7724759017c52ddd580
> {"_date":1634903752117,"Bridge":{"745726c4-0451-4f52-a52b-1f9c5e85c703":{"external_ids":["map",[["ct-zone-0dca7370-1c18-4117-84e4-a72f277ccc6c_dnat","4"],["ct-zone-0dca7370-1c18-4117-84e4-a72f277ccc6c_snat","1"],["ct-zone-11637f38-8725-4c77-adfe-f9c4c804ae8c_dnat","4"],["ct-zone-11637f38-8725-4c77-adfe-f9c4c804ae8c_snat","5"],["ct-zone-1de487d1-f3a5-4b15-bae4-aa8cf794fcf9_dnat","17"],["ct-zone-1de487d1-f3a5-4b15-bae4-aa8cf794fcf9_snat","7"],["ct-zone-22c71c2a-0e59-41cc-a2da-91d3c7276c11_dnat","9"],["ct-zone-22c71c2a-0e59-41cc-a2da-91d3c7276c11_snat","10"],["ct-zone-3228b120-4192-476b-ab67-51fb45e786d6_dnat","3"],["ct-zone-3228b120-4192-476b-ab67-51fb45e786d6_snat","4"],["ct-zone-3753ff1a-d0cf-48e4-b06a-640f0467d202_dnat","19"],["ct-zone-3753ff1a-d0cf-48e4-b06a-640f0467d202_snat","18"],["ct-zone-3c1c02f4-31c9-45d4-9c63-54ad2122bb15_dnat","10"],["ct-zone-3c1c02f4-31c9-45d4-9c63-54ad2122bb15_snat","16"],["ct-zone-423896cb-5573-4c54-b6e2-38f192eacae3_dnat","9"],["ct-zone-423896cb-5573-4c54-b6e2-38f192eacae3_snat","12"],["ct-zone-46b7b247-31a7-4fbb-88b9-0f3db042409c_dnat","10"],["ct-zone-46b7b247-31a7-4fbb-88b9-0f3db042409c_snat","11"],["ct-zone-51376927-fca0-49b3-b0ba-1aa22153b366_dnat","2"],["ct-zone-51376927-fca0-49b3-b0ba-1aa22153b366_snat","5"],["ct-zone-58033baa-916d-47d4-bcf0-d95f7fb1f861_dnat","18"],["ct-zone-58033baa-916d-47d4-bcf0-d95f7fb1f861_snat","3"],["ct-zone-5f92f974-f0dc-4820-bb43-a14cc16d851f_dnat","12"],["ct-zone-5f92f974-f0dc-4820-bb43-a14cc16d851f_snat","11"],["ct-zone-87055326-0535-4042-a0ff-bf0e9f494433_dnat","10"],["ct-zone-87055326-0535-4042-a0ff-bf0e9f494433_snat","12"],["ct-zone-8a840bfe-118f-4041-ac72-0637d6373ffc_dnat","1"],["ct-zone-8a840bfe-118f-4041-ac72-0637d6373ffc_snat","11"],["ct-zone-8fff9b0b-0fd6-42f9-ab77-e9f1475a5d82_dnat","2"],["ct-zone-8fff9b0b-0fd6-42f9-ab77-e9f1475a5d82_snat","13"],["ct-zone-913c36a1-f987-4084-9119-f279b317c72f_dnat","11"],["ct-zone-913c36a1-f987-4084-9119-f279b317c72f_snat","12"],["ct-zone-9498aca9-7623-4ce0-a0ff-d4d5c17d7223_dnat","19"],["ct-zone-9498aca9-7623-4ce0-a0ff-d4d5c17d7223_snat","15"],["ct-zone-9c373522-fd02-424f-a2b3-14dc359062d2_dnat","18"],["ct-zone-9c373522-fd02-424f-a2b3-14dc359062d2_snat","17"],["ct-zone-a28b45db-2dfb-4d38-905c-c5eb44da8c9c_dnat","13"],["ct-zone-a28b45db-2dfb-4d38-905c-c5eb44da8c9c_snat","10"],["ct-zone-b1e8636a-5cf8-48ba-9693-793a59e5430d_dnat","8"],["ct-zone-b1e8636a-5cf8-48ba-9693-793a59e5430d_snat","14"],["ct-zone-bbcc6e17-ee1e-4e82-b404-1dd0f1307002_dnat","12"],["ct-zone-bbcc6e17-ee1e-4e82-b404-1dd0f1307002_snat","11"],["ct-zone-bd3b86b7-2aba-4ff7-a5f7-975612692aca_dnat","13"],["ct-zone-bd3b86b7-2aba-4ff7-a5f7-975612692aca_snat","10"],["ct-zone-cb94affd-f2aa-4bdd-9407-1e16ac046596_dnat","9"],["ct-zone-cb94affd-f2aa-4bdd-9407-1e16ac046596_snat","1"],["ct-zone-ce71f6db-4dab-41ca-bd10-cd6204687b9d_dnat","16"],["ct-zone-ce71f6db-4dab-41ca-bd10-cd6204687b9d_snat","15"],["ct-zone-cfa46699-cc79-445e-a902-f1e37ff99806_dnat","5"],["ct-zone-cfa46699-cc79-445e-a902-f1e37ff99806_snat","2"],["ct-zone-cr-lr_vcn0747157-ls_vcn0747157_external_ugw","9"],["ct-zone-cr-lr_vcn1645571_igw-ls_vcn1645571_external_igw","21"],["ct-zone-cr-lr_vcn7319607-ls_vcn7319607_external_ugw","14"],["ct-zone-cr-lr_vcn7319607_igw-ls_vcn7319607_external_igw","21"],["ct-zone-cr-lr_vcn7395327_igw-ls_vcn7395327_external_igw","21"],["ct-zone-cr-lr_vcn9567153-ls_vcn9567153_external_ugw","1"],["ct-zone-d0232f68-8d26-454c-87bf-e79066a1ed62_dnat","9"],["ct-zone-d0232f68-8d26-454c-87bf-e79066a1ed62_snat","8"],["ct-zone-d161aaef-e73e-452c-9d77-f465718f1f67_dnat","3"],["ct-zone-d161aaef-e73e-452c-9d77-f465718f1f67_snat","6"],["ct-zone-e2f0a229-15b0-4255-b52d-71b078239ed2_dnat","12"],["ct-zone-e2f0a229-15b0-4255-b52d-71b078239ed2_snat","13"],["ct-zone-e6986bf4-e813-4df0-9bfe-1de95ceb2e30_dnat","15"],["ct-zone-e6986bf4-e813-4df0-9bfe-1de95ceb2e30_snat","14"],["ct-zone-e93b7a93-8507-4036-8281-f2be764a44da_dnat","16"],["ct-zone-e93b7a93-8507-4036-8281-f2be764a44da_snat","17"],["ct-zone-f3b9843a-d498-41dc-8244-0f87d9bc1384_dnat","6"],["ct-zone-f3b9843a-d498-41dc-8244-0f87d9bc1384_snat","7"],["ct-zone-f42fcb51-0af6-426f-974b-1478a169a70c_dnat","13"],["ct-zone-f42fcb51-0af6-426f-974b-1478a169a70c_snat","11"],["ct-zone-f708c12e-34b6-4657-b7d0-4b5ac5e0d6c7_dnat","20"],["ct-zone-f708c12e-34b6-4657-b7d0-4b5ac5e0d6c7_snat","19"],["ct-zone-ln-ls_vcn6603036_external_ugw","7"],["ct-zone-ln-ls_vcn7319607_external_igw","20"],["ct-zone-ln-ls_vcn7395327_external_ugw","7"],["ct-zone-ln-ls_vcn7836024_external_igw","20"],["ct-zone-ln-ls_vcn9567153_external_igw","21"],["ct-zone-ln-ls_vcn9567153_external_ugw","8"]]]}},"_comment":"ovn-controller:
> modifying OVS tunnels 'pcacn001'"}


In which OVN version are you seeing this ?

I wonder if you're seeing this issue -
https://github.com/ovn-org/ovn/commit/e7788554a7f5e824fc0d8afc6cbf20e94fe4245f

If you run a tail on /etc/openvswitch/conf.db, do you see the ct zone
ids toggling between 2 values constantly ?

Thanks
Numan

>
>
> Thanks
>
> Brendan
> _______________________________________________
> discuss mailing list
> discuss at openvswitch.org
> https://mail.openvswitch.org/mailman/listinfo/ovs-discuss


More information about the discuss mailing list