---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3431 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 8 On-line CPU(s) list: 0-7 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 25G 131G 16% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 866 14055 3 17169 30757 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:db:fa:01 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.142/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 82679sec preferred_lft 82679sec inet6 fe80::f816:3eff:fedb:fa01/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:36:5e:c9:99:52 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::2436:5eff:fec9:9952/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-3431) 03/20/26 _x86_64_ (8 CPU) 08:38:50 LINUX RESTART (8 CPU) 08:40:29 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:50:09 1.51 0.04 1.45 0.01 1.97 18.46 228.49 09:00:01 279.70 5.38 253.85 20.48 365.12 18964.67 526250.65 09:10:08 495.33 0.39 481.41 13.52 28.18 53879.07 103738.02 09:20:29 21.74 0.15 19.73 1.85 5.98 2521.58 13481.48 09:30:09 13.71 0.06 12.82 0.83 2.41 2636.76 4485.84 09:40:17 26.75 1.95 21.19 3.60 100.72 3018.55 22243.89 Average: 140.81 1.33 132.75 6.74 83.84 13633.63 111254.81 08:40:29 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:50:09 30154732 31776472 612052 1.86 59888 1900760 1500260 4.42 181080 2234768 284 09:00:01 21224864 28105412 4161336 12.66 404764 6231824 2915992 8.60 1360684 9247912 370612 09:10:08 2437900 21558380 10597776 32.25 588924 17672672 16499248 48.65 4667980 22106040 172 09:20:29 448948 19432860 12625516 38.42 584448 17619452 18624120 54.92 4894996 23818232 54704 09:30:09 347584 19060724 12998936 39.56 573492 17362184 18935288 55.84 4859236 23961756 12192 09:40:17 14479608 31564764 630616 1.92 573752 15658324 1503228 4.43 4582964 12125272 27176 Average: 11515606 25249769 6937705 21.11 464211 12740869 9996356 29.48 3424490 15582330 77523 08:40:29 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:50:09 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 08:50:09 ens3 0.34 0.24 0.15 0.26 0.00 0.00 0.00 0.00 08:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:01 lo 0.48 0.48 0.10 0.10 0.00 0.00 0.00 0.00 09:00:01 ens3 184.26 121.28 2020.55 24.34 0.00 0.00 0.00 0.00 09:00:01 docker0 4.34 6.75 0.25 91.24 0.00 0.00 0.00 0.00 09:10:08 lo 0.72 0.72 0.11 0.11 0.00 0.00 0.00 0.00 09:10:08 ens3 394.81 254.65 2551.72 87.60 0.00 0.00 0.00 0.00 09:10:08 docker0 21.54 37.53 1.25 675.48 0.00 0.00 0.00 0.00 09:10:08 br-9dbc6231739b 0.28 0.25 0.01 0.02 0.00 0.00 0.00 0.00 09:10:08 vethcf61ed2 0.15 0.22 0.01 0.01 0.00 0.00 0.00 0.00 09:10:08 veth2792350 6.96 6.65 4.50 1.30 0.00 0.00 0.00 0.00 09:10:08 veth7eede80 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 09:10:08 veth1f053c0 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 09:10:08 veth9c5aa8d 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 09:10:08 veth0124810 1.16 1.18 0.13 0.94 0.00 0.00 0.00 0.00 09:10:08 veth18b50fe 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 09:10:08 veth8254a42 0.58 0.55 0.08 0.68 0.00 0.00 0.00 0.00 09:20:29 lo 12.53 12.53 32.81 32.81 0.00 0.00 0.00 0.00 09:20:29 ens3 9.06 7.71 24.51 1.86 0.00 0.00 0.00 0.00 09:20:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:29 br-9dbc6231739b 11.42 13.36 6.28 50.12 0.00 0.00 0.00 0.00 09:20:29 vethcf61ed2 8.71 7.06 79.87 23.36 0.00 0.00 0.00 0.01 09:20:29 veth2792350 107.53 115.93 61.86 53.79 0.00 0.00 0.00 0.01 09:20:29 veth7eede80 0.10 0.09 0.01 0.03 0.00 0.00 0.00 0.00 09:20:29 veth1f053c0 13.16 14.80 161.10 80.21 0.00 0.00 0.00 0.01 09:20:29 veth9c5aa8d 19.16 21.09 5.88 210.11 0.00 0.00 0.00 0.02 09:20:29 veth0124810 85.17 78.99 76.09 38.19 0.00 0.00 0.00 0.01 09:20:29 veth8254a42 36.86 34.00 15.23 26.30 0.00 0.00 0.00 0.00 09:30:09 lo 35.31 35.31 166.34 166.34 0.00 0.00 0.00 0.00 09:30:09 ens3 2.78 2.38 7.26 0.71 0.00 0.00 0.00 0.00 09:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:09 br-9dbc6231739b 27.81 29.31 32.93 141.88 0.00 0.00 0.00 0.00 09:30:09 vethcf61ed2 11.17 10.21 67.17 45.03 0.00 0.00 0.00 0.01 09:30:09 veth2792350 71.78 78.82 55.18 28.55 0.00 0.00 0.00 0.00 09:30:09 veth7eede80 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:09 veth1f053c0 12.88 13.76 91.69 66.82 0.00 0.00 0.00 0.01 09:30:09 veth9c5aa8d 34.74 36.32 33.93 231.66 0.00 0.00 0.00 0.02 09:30:09 veth0124810 41.96 39.04 53.97 20.03 0.00 0.00 0.00 0.00 09:30:09 veth8254a42 43.36 39.24 19.48 37.92 0.00 0.00 0.00 0.00 09:40:17 lo 24.99 24.99 104.35 104.35 0.00 0.00 0.00 0.00 09:40:17 ens3 9.39 7.89 19.52 3.97 0.00 0.00 0.00 0.00 09:40:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 12.33 12.33 50.29 50.29 0.00 0.00 0.00 0.00 Average: ens3 100.95 66.24 774.38 20.01 0.00 0.00 0.00 0.00 Average: docker0 4.36 7.47 0.25 129.49 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-3431) 03/20/26 _x86_64_ (8 CPU) 08:38:50 LINUX RESTART (8 CPU) 08:40:29 CPU %user %nice %system %iowait %steal %idle 08:50:09 all 0.06 0.00 0.02 0.02 0.01 99.89 08:50:09 0 0.02 0.00 0.01 0.00 0.00 99.97 08:50:09 1 0.06 0.00 0.04 0.02 0.03 99.86 08:50:09 2 0.05 0.00 0.02 0.02 0.01 99.91 08:50:09 3 0.29 0.00 0.02 0.00 0.01 99.68 08:50:09 4 0.04 0.00 0.03 0.01 0.02 99.91 08:50:09 5 0.03 0.00 0.02 0.03 0.01 99.91 08:50:09 6 0.01 0.00 0.01 0.11 0.00 99.87 08:50:09 7 0.02 0.00 0.01 0.00 0.00 99.97 09:00:01 all 8.69 0.00 1.67 0.51 0.04 89.10 09:00:01 0 9.80 0.00 1.41 0.21 0.03 88.54 09:00:01 1 7.71 0.00 1.96 0.53 0.05 89.75 09:00:01 2 7.61 0.00 1.68 0.73 0.03 89.96 09:00:01 3 9.51 0.00 1.63 0.27 0.03 88.56 09:00:01 4 7.05 0.00 1.87 0.24 0.04 90.81 09:00:01 5 6.86 0.00 1.69 0.87 0.03 90.55 09:00:01 6 10.79 0.00 1.12 0.55 0.03 87.51 09:00:01 7 10.21 0.00 1.99 0.65 0.03 87.12 09:10:08 all 29.51 0.02 3.70 1.11 0.08 65.57 09:10:08 0 28.69 0.03 3.72 0.86 0.08 66.61 09:10:08 1 27.71 0.02 3.45 1.24 0.08 67.48 09:10:08 2 30.84 0.01 3.99 0.86 0.08 64.22 09:10:08 3 30.45 0.02 3.73 1.31 0.08 64.41 09:10:08 4 25.95 0.02 4.02 1.51 0.08 68.43 09:10:08 5 33.40 0.02 3.88 1.20 0.09 61.41 09:10:08 6 27.05 0.01 3.47 0.93 0.08 68.46 09:10:08 7 32.02 0.02 3.34 0.97 0.08 63.56 09:20:29 all 9.68 0.01 1.41 0.09 0.08 88.74 09:20:29 0 9.48 0.00 1.44 0.17 0.08 88.84 09:20:29 1 10.33 0.01 1.44 0.06 0.08 88.07 09:20:29 2 10.45 0.01 1.50 0.06 0.08 87.90 09:20:29 3 9.84 0.00 1.40 0.06 0.07 88.62 09:20:29 4 9.12 0.00 1.40 0.15 0.08 89.24 09:20:29 5 9.96 0.01 1.44 0.07 0.08 88.44 09:20:29 6 9.60 0.00 1.39 0.06 0.08 88.86 09:20:29 7 8.66 0.01 1.29 0.07 0.07 89.90 09:30:09 all 8.04 0.00 1.83 0.06 0.10 89.96 09:30:09 0 7.32 0.00 1.85 0.14 0.09 90.60 09:30:09 1 8.86 0.00 1.79 0.05 0.10 89.20 09:30:09 2 8.01 0.00 1.83 0.05 0.10 90.02 09:30:09 3 8.30 0.00 1.84 0.04 0.10 89.72 09:30:09 4 7.76 0.01 1.92 0.12 0.10 90.09 09:30:09 5 8.07 0.00 1.89 0.05 0.10 89.90 09:30:09 6 7.80 0.00 1.88 0.02 0.10 90.20 09:30:09 7 8.22 0.01 1.66 0.06 0.09 89.97 09:40:17 all 6.92 0.00 1.64 0.14 0.08 91.21 09:40:17 0 5.67 0.00 1.59 0.10 0.07 92.56 09:40:17 1 7.03 0.00 1.57 0.14 0.08 91.17 09:40:17 2 7.25 0.00 1.73 0.17 0.08 90.77 09:40:17 3 6.44 0.00 1.77 0.14 0.08 91.57 09:40:17 4 6.11 0.00 1.53 0.10 0.08 92.19 09:40:17 5 7.79 0.01 1.77 0.26 0.09 90.09 09:40:17 6 7.42 0.00 1.62 0.08 0.08 90.80 09:40:17 7 7.64 0.00 1.57 0.17 0.08 90.53 Average: all 10.58 0.01 1.72 0.32 0.06 87.30 Average: 0 10.25 0.01 1.68 0.25 0.06 87.75 Average: 1 10.38 0.01 1.72 0.34 0.07 87.49 Average: 2 10.81 0.00 1.80 0.31 0.06 87.01 Average: 3 10.90 0.00 1.74 0.31 0.06 86.99 Average: 4 9.42 0.00 1.81 0.36 0.07 88.34 Average: 5 11.12 0.01 1.79 0.42 0.07 86.60 Average: 6 10.53 0.00 1.59 0.29 0.06 87.52 Average: 7 11.21 0.01 1.65 0.32 0.06 86.75