Hi Mercury, Like all “good” bugs, this one also seems to be fixed by a one liner. Could you try this [1]?
Locally, the ab test now passes with both 1 and 4 nginx workers plus master process. Thanks for the report! Regards, Florin [1] https://gerrit.fd.io/r/c/vpp/+/34683 > On Dec 1, 2021, at 6:02 PM, mercury noah <mercury124...@gmail.com> wrote: > > Hi Florin, > > this is the vec len of vcm->workers[0].sessions in core: > (gdb) p vl(vcm->workers[0].sessions) > You can't do that without a process to debug. > ... > (gdb) p ((vec_header_t *)(vcm->workers[0].sessions) - 1)->len > $3 = 1 > (gdb) p ((vec_header_t *)(vcm->workers[1].sessions) - 1)->len > $4 = 14118 > > I adjust nginx conf as below, seems like it does not work: > keepalive_timeout 0 > keepalive_requests 1 > > We upload the core in the jira ticket, it may help you, > for testing, heapsize for this core is 64M, > > also, the issue still exists in a lower speed traffic > (vcl heapsize 32M, 1 nginx worker + 1 nginx master), > I test with python requests, probably 85 cps > root@ubuntu:~# ./http_request.py > begin time: 2021-12-01 18:22:38.829277 > HTTPConnectionPool(host='10.0.1.1', port=80): Read timed out. (read > timeout=10) > end time: 2021-12-01 20:33:25.372029 > finished request 668056 > > this is the "show session" output with the lower speed: > vpp# show session > Thread 0: 1 sessions > Thread 1: 861 sessions > > In fact, we want to use nginx as a reverse proxy, when the traffic > accumulating nginx will crash, we found that the web server has the similar > problem, so we want to solve this first, > > Regards, > Mercury > > >
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