Hi,
Em ter., 24 de mar. de 2026 às 13:42, Rukomoinikova Aleksandra <[email protected]> escreveu: > > Hi Lucas! I was looking into this patch while trying to solve my issue, > and I had a question. > Could you please explain why selection_fields was added to the tests for > the load balancer (effectively switching hasing mode from dp_hash to hash)? > In my scenario, I have two logical routers with the same load balancer and backends, if packets incoming by different logical routers, dp_hash could select a backend different from the old packets. My initial assumption was that this might help address the issue where, in > stateless mode (with use_stateless_nat), selecting a backend via select() > on a per-packet basis can lead to broken sessions when the number of > backends changes. I was thinking that using hash instead of dp_hash could > make backend selection more consistent with respect to backend count > changes—at least in OVS with hash mode, where consistency can be preserved > if OpenFlow groups aren’t recreated but only have buckets updated (though I > might be misunderstanding this part). Perhaps everything I described above > has nothing to do with the reason you added it, but I just wanted to > express my assumptions. However, in OVN, backend changes result in the > group being deleted and recreated from scratch, so this didn’t seem to be > right one idea > > You're correct, if backends are changed, it can lead to broken sessions. Also, I didn't enter in details about how OVS handles the change from backends in both modes. Regards, Lucas Thanks for your help! > -- _‘Esta mensagem é direcionada apenas para os endereços constantes no cabeçalho inicial. Se você não está listado nos endereços constantes no cabeçalho, pedimos-lhe que desconsidere completamente o conteúdo dessa mensagem e cuja cópia, encaminhamento e/ou execução das ações citadas estão imediatamente anuladas e proibidas’._ * **‘Apesar do Magazine Luiza tomar todas as precauções razoáveis para assegurar que nenhum vírus esteja presente nesse e-mail, a empresa não poderá aceitar a responsabilidade por quaisquer perdas ou danos causados por esse e-mail ou por seus anexos’.* _______________________________________________ dev mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-dev
