---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4422 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 1011 12695 4 18385 30589 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:d6:4f:bc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.119/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83435sec preferred_lft 83435sec inet6 fe80::f816:3eff:fed6:4fbc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:2c:2b:e4:a6:92 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::dc2c:2bff:fee4:a692/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4422) 03/24/26 _x86_64_ (8 CPU) 07:14:10 LINUX RESTART (8 CPU) 07:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:30:17 498.16 0.75 486.15 11.25 11.18 44328.64 76089.80 07:40:01 84.70 0.22 81.40 3.07 16.35 10521.04 1680.97 07:50:16 43.21 0.01 19.41 23.79 0.21 3254.11 451714.71 08:00:16 14.23 0.14 13.03 1.06 6.20 2507.58 2405.00 Average: 162.10 0.28 151.89 9.93 8.40 15304.61 135397.96 07:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:30:17 12003960 28696356 3517156 10.70 560788 15354652 3713220 10.95 4527844 14738068 41368 07:40:01 2061120 21501888 10604048 32.27 598920 17992280 16613884 48.99 4849724 22268316 13192 07:50:16 579264 20441148 11614584 35.34 600604 18443468 17412412 51.35 5064468 23483644 11428 08:00:16 1150500 20754848 11309472 34.41 586068 18189124 16831428 49.63 5039280 22964728 36892 Average: 3948711 22848560 9261315 28.18 586595 17494881 13642736 40.23 4870329 20863689 25720 07:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:30:17 lo 0.47 0.47 0.09 0.09 0.00 0.00 0.00 0.00 07:30:17 ens3 193.08 129.64 1835.73 30.18 0.00 0.00 0.00 0.00 07:30:17 docker0 22.12 33.45 1.24 515.08 0.00 0.00 0.00 0.00 07:40:01 lo 2.64 2.64 5.26 5.26 0.00 0.00 0.00 0.00 07:40:01 ens3 35.21 21.28 874.49 3.05 0.00 0.00 0.00 0.00 07:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:01 br-7f545221b925 2.20 2.52 0.92 8.02 0.00 0.00 0.00 0.00 07:40:01 veth4c2ab8a 2.82 3.26 0.61 28.29 0.00 0.00 0.00 0.00 07:40:01 veth1882931 1.70 2.12 20.42 8.17 0.00 0.00 0.00 0.00 07:40:01 veth8ea2d88 77.07 81.84 37.89 39.03 0.00 0.00 0.00 0.00 07:40:01 veth2bc84f9 0.04 0.14 0.00 0.01 0.00 0.00 0.00 0.00 07:40:01 veth1195877 1.62 1.25 8.16 1.72 0.00 0.00 0.00 0.00 07:40:01 veth01c483a 77.73 72.71 53.60 34.65 0.00 0.00 0.00 0.00 07:40:01 veth4a80cb6 2.42 1.91 0.33 1.85 0.00 0.00 0.00 0.00 07:50:16 lo 32.56 32.56 127.91 127.91 0.00 0.00 0.00 0.00 07:50:16 ens3 10.39 8.28 27.81 2.09 0.00 0.00 0.00 0.00 07:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:16 br-7f545221b925 25.01 29.02 22.46 133.28 0.00 0.00 0.00 0.00 07:50:16 veth4c2ab8a 36.65 40.89 22.68 345.17 0.00 0.00 0.00 0.03 07:50:16 veth1882931 20.12 21.71 213.93 120.59 0.00 0.00 0.00 0.02 07:50:16 veth8ea2d88 70.29 76.85 49.43 28.20 0.00 0.00 0.00 0.00 07:50:16 veth2bc84f9 0.10 0.09 0.01 0.03 0.00 0.00 0.00 0.00 07:50:16 veth1195877 13.61 11.87 120.34 47.36 0.00 0.00 0.00 0.01 07:50:16 veth01c483a 35.43 32.64 56.05 16.17 0.00 0.00 0.00 0.00 07:50:16 veth4a80cb6 47.99 44.17 20.29 35.69 0.00 0.00 0.00 0.00 08:00:16 lo 31.04 31.04 145.08 145.08 0.00 0.00 0.00 0.00 08:00:16 ens3 2.72 2.06 4.28 1.32 0.00 0.00 0.00 0.00 08:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:16 br-7f545221b925 26.75 29.37 32.93 117.22 0.00 0.00 0.00 0.00 08:00:16 veth4c2ab8a 33.53 36.48 33.48 212.12 0.00 0.00 0.00 0.02 08:00:16 veth1882931 12.56 14.75 96.54 84.59 0.00 0.00 0.00 0.01 08:00:16 veth8ea2d88 66.97 73.26 48.93 23.56 0.00 0.00 0.00 0.00 08:00:16 veth2bc84f9 0.02 0.02 0.00 0.01 0.00 0.00 0.00 0.00 08:00:16 veth1195877 12.36 10.33 84.93 71.47 0.00 0.00 0.00 0.01 08:00:16 veth01c483a 45.61 42.26 80.10 23.79 0.00 0.00 0.00 0.01 08:00:16 veth4a80cb6 34.99 31.57 15.21 27.59 0.00 0.00 0.00 0.00 Average: lo 16.76 16.76 69.91 69.91 0.00 0.00 0.00 0.00 Average: ens3 61.09 40.84 687.94 9.30 0.00 0.00 0.00 0.00 Average: docker0 5.64 8.53 0.32 131.40 0.00 0.00 0.00 0.00 Average: br-7f545221b925 13.55 15.30 14.12 64.99 0.00 0.00 0.00 0.00 Average: veth4c2ab8a 18.34 20.26 14.24 147.42 0.00 0.00 0.00 0.01 Average: veth1882931 8.65 9.70 83.38 53.69 0.00 0.00 0.00 0.01 Average: veth8ea2d88 53.17 57.56 33.90 22.47 0.00 0.00 0.00 0.00 Average: veth2bc84f9 0.04 0.06 0.00 0.01 0.00 0.00 0.00 0.00 Average: veth1195877 6.93 5.89 53.71 30.23 0.00 0.00 0.00 0.00 Average: veth01c483a 39.15 36.39 47.14 18.40 0.00 0.00 0.00 0.00 Average: veth4a80cb6 21.49 19.55 9.02 16.39 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4422) 03/24/26 _x86_64_ (8 CPU) 07:14:10 LINUX RESTART (8 CPU) 07:20:01 CPU %user %nice %system %iowait %steal %idle 07:30:17 all 20.67 0.00 3.62 0.83 0.08 74.80 07:30:17 0 16.87 0.00 3.33 0.75 0.08 78.97 07:30:17 1 21.18 0.00 3.55 0.99 0.08 74.20 07:30:17 2 20.25 0.00 3.98 0.97 0.08 74.72 07:30:17 3 24.54 0.00 4.22 0.83 0.08 70.33 07:30:17 4 19.06 0.00 3.41 0.60 0.07 76.86 07:30:17 5 24.40 0.00 3.41 0.64 0.08 71.48 07:30:17 6 19.70 0.00 4.18 0.74 0.08 75.31 07:30:17 7 19.33 0.00 2.91 1.13 0.08 76.55 07:40:01 all 10.63 0.02 1.27 0.25 0.07 87.76 07:40:01 0 10.49 0.02 1.14 0.15 0.07 88.12 07:40:01 1 12.15 0.03 1.53 0.16 0.08 86.04 07:40:01 2 11.01 0.03 1.36 0.13 0.07 87.39 07:40:01 3 11.37 0.01 1.24 0.19 0.07 87.12 07:40:01 4 10.70 0.02 1.37 0.17 0.06 87.68 07:40:01 5 9.34 0.01 1.33 0.96 0.07 88.29 07:40:01 6 10.29 0.03 1.19 0.09 0.07 88.33 07:40:01 7 9.68 0.01 1.02 0.11 0.07 89.11 07:50:16 all 9.85 0.00 1.93 0.11 0.09 88.01 07:50:16 0 9.54 0.00 2.04 0.06 0.09 88.27 07:50:16 1 10.16 0.00 2.12 0.10 0.09 87.52 07:50:16 2 10.62 0.00 2.12 0.29 0.10 86.86 07:50:16 3 9.25 0.00 1.88 0.16 0.10 88.61 07:50:16 4 10.41 0.00 1.96 0.04 0.09 87.49 07:50:16 5 10.62 0.01 1.73 0.02 0.10 87.52 07:50:16 6 9.23 0.01 1.76 0.20 0.10 88.70 07:50:16 7 9.00 0.00 1.79 0.05 0.09 89.07 08:00:16 all 7.19 0.00 1.77 0.06 0.09 90.89 08:00:16 0 6.77 0.00 1.85 0.07 0.09 91.22 08:00:16 1 7.51 0.00 1.94 0.04 0.09 90.42 08:00:16 2 7.76 0.00 1.73 0.04 0.10 90.37 08:00:16 3 7.70 0.00 1.83 0.04 0.09 90.33 08:00:16 4 6.89 0.01 1.69 0.03 0.09 91.30 08:00:16 5 6.21 0.00 1.56 0.06 0.09 92.08 08:00:16 6 7.65 0.01 1.92 0.13 0.09 90.20 08:00:16 7 7.02 0.00 1.61 0.03 0.09 91.24 Average: all 12.13 0.01 2.16 0.31 0.08 85.30 Average: 0 10.95 0.01 2.10 0.26 0.08 86.60 Average: 1 12.80 0.01 2.30 0.33 0.09 84.49 Average: 2 12.46 0.01 2.31 0.36 0.09 84.77 Average: 3 13.28 0.00 2.31 0.31 0.09 84.02 Average: 4 11.81 0.01 2.12 0.21 0.08 85.77 Average: 5 12.73 0.01 2.02 0.42 0.08 84.75 Average: 6 11.76 0.01 2.28 0.29 0.08 85.57 Average: 7 11.30 0.00 1.85 0.33 0.08 86.43