Hello! We have a VPP router that hits the RAM max because of VPP combined with the FRR bgpd process. After boot a little more than 50 GB RAM is used, and then bgpd starts eating RAM until VPP crashes when the server RAM 64 GB is reached. I don't know at what point bgpd would stop eating RAM if the server had more RAM.
Ubuntu 24.04.3 VPP 25.10, also tried with 25.06 Here are some things I have tried without noticeable effect: GRUB_CMDLINE_LINUX="hugepagesz=1G hugepages=32 default_hugepagesz=1G" GRUB_CMDLINE_LINUX="hugepagesz=1G hugepages=16 default_hugepagesz=1G" VPP workers 4 or 3 or 2 VPP memory ========== All default or main-heap-size 2G main-heap-page-size default-hugepage or main-heap-page-size 1G default-hugepage-size 1G What would you recommend trying for less RAM usage? I am using FRR 8.4.4-1.1ubuntu6.3, the default in that Ubuntu version, but I will try installing a newer version of FRR. (We have another server with identical hardware and software, the same amount of VLANs, identical VPP configuration and seemingly more BGP peers/prefixes, that doesn't max out RAM. I don't know what differs between these servers, except the order in which they were put into use.) Thanks! Peter Olsson
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