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X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: users-bounces@dpdk.org Sender: "users" Hi All, This is my first post here. I've an issue, and I would like your help. HW Environment: HP DL360 Gen10 (Xeon Silver 4208 @ 2.1GHz) HPE Ethernet 10Gb 2Port NIC 562T (Intel X550T, driver=3D5.1.0-k-rh7.6, fir= mware=3D10.51.3) SW Environment: DPDK 20.08 Red Hat Enterprise Linux Server release 7.6 (Maipo) Number of mbuf is 1024 * 1024 (plenty!) I create the packet capture with DPDK 20.08 and received 1.2Gbps(1Mfps) pac= kets on my=20 server described above, but, rarely(about once per 100 hours) encountered t= he packet loss problem. To find the reason, I use the rte_eth_stats_get() and found imissed and rx_= nombuf counter=20 was increased when packet loss was happened. Is this means that the CPU power was insufficient? or my application rarely= slow down? or none of them? Does anyone know how can I know that? on a side note... When I wrote the captured packet to SSD drive, rarely packet loss was happe= n, but,=20 when I wrote them to SAS HDD drive (it is slower than SSD) the packet loss = was not=20 occurred(at least one week). it was very mysterious... Best regards.