Hi, I think you might find the thread in https://www.mail-archive.com/vpp-dev@lists.fd.io/msg16302.html useful.
--a > On 15 Sep 2022, at 17:39, yxm...@case.edu wrote: > Hello, > > I am trying to evaluate the forwarding efficiency of VPP with large FIB/RIB, > like millions of entries. > > However, the VPP crashes when inserting routing entries of more than 310k. > The exact number varies across different routing rulesets but should be > around 320k. (One test is 319,739, and another is 320,065). > Is there any limit on VPP so we cannot insert too many rules? How could we > increase the limit? > > Also, the VPP memory is insufficient for testing when inserting the routing > entries. For example, when inserting 300K routing entries, the memory > consumption is as follows (with Python API for rule installation): > > vpp# show memory main-heap > Thread 0 vpp_main > base 0x7f054b0d4000, size 1g, locked, unmap-on-destroy, name 'main heap' > page stats: page-size 4K, total 262144, mapped 170037, not-mapped 92107 > numa 0: 170037 pages, 664.21m bytes > total: 1023.99M, used: 642.88M, free: 381.12M, trimmable: 359.79M > I am using a single-thread VPP, by the way... > > VPP could not receive more than 600K routing entries under this > configuration. Is there any way we could increase the memory that VPP could > use? > > Thanks in advance! > >
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