---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1818 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 879 13956 3 17256 30745 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:88:29:ca brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.213/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83511sec preferred_lft 83511sec inet6 fe80::f816:3eff:fe88:29ca/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:0b:f1:ca:72:54 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::4c0b:f1ff:feca:7254/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1818) 03/31/26 _x86_64_ (8 CPU) 13:03:03 LINUX RESTART (8 CPU) 13:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:20:10 293.17 0.30 281.17 11.70 21.82 48042.01 55438.74 13:30:01 18.76 0.14 17.06 1.56 5.56 1944.72 5987.55 13:40:08 42.20 0.62 16.95 24.63 17.64 3422.98 451768.08 13:50:08 25.02 0.46 21.49 3.07 6.22 3144.38 22941.38 Average: 95.77 0.38 85.07 10.32 12.89 14298.63 135118.03 13:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:20:10 3143496 22337552 9817880 29.88 590388 17730432 15894812 46.87 4671948 21393896 224 13:30:01 368080 19825576 12229712 37.21 593000 18067208 18185280 53.63 4901360 23874620 39420 13:40:08 388752 19168948 12843548 39.08 574524 17455664 19192612 56.60 4859352 23880132 11836 13:50:08 10132324 27382948 4805076 14.62 574592 15799984 6228928 18.37 4641168 16358340 176 Average: 3508163 22178756 9924054 30.20 583126 17263322 14875408 43.87 4768457 21376747 12914 13:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:20:10 lo 0.69 0.69 0.11 0.11 0.00 0.00 0.00 0.00 13:20:10 ens3 336.45 206.01 2447.34 68.62 0.00 0.00 0.00 0.00 13:20:10 docker0 17.37 31.29 1.05 672.79 0.00 0.00 0.00 0.00 13:20:10 br-202b61e54a1f 0.29 0.25 0.01 0.02 0.00 0.00 0.00 0.00 13:20:10 veth6988d65 0.15 0.21 0.01 0.01 0.00 0.00 0.00 0.00 13:20:10 veth76bca5c 6.71 6.46 4.48 1.28 0.00 0.00 0.00 0.00 13:20:10 vetha3818a0 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 13:20:10 vethe03834f 0.02 0.10 0.00 0.01 0.00 0.00 0.00 0.00 13:20:10 veth3da0b99 0.04 0.12 0.00 0.01 0.00 0.00 0.00 0.00 13:20:10 veth37f9898 1.13 1.14 0.13 0.93 0.00 0.00 0.00 0.00 13:20:10 veth27b0808 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 13:20:10 veth08202b9 0.56 0.53 0.07 0.67 0.00 0.00 0.00 0.00 13:30:01 lo 11.39 11.39 28.83 28.83 0.00 0.00 0.00 0.00 13:30:01 ens3 11.57 8.27 22.02 2.10 0.00 0.00 0.00 0.00 13:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:01 br-202b61e54a1f 11.69 14.72 5.53 44.72 0.00 0.00 0.00 0.00 13:30:01 veth6988d65 7.08 5.90 63.64 11.34 0.00 0.00 0.00 0.01 13:30:01 veth76bca5c 111.85 120.16 63.56 56.00 0.00 0.00 0.00 0.01 13:30:01 vetha3818a0 0.10 0.10 0.01 0.03 0.00 0.00 0.00 0.00 13:30:01 vethe03834f 18.43 21.41 4.96 180.38 0.00 0.00 0.00 0.01 13:30:01 veth3da0b99 11.49 12.60 136.69 63.94 0.00 0.00 0.00 0.01 13:30:01 veth37f9898 87.71 81.83 66.45 39.48 0.00 0.00 0.00 0.01 13:30:01 veth08202b9 38.13 35.16 15.77 26.60 0.00 0.00 0.00 0.00 13:40:08 lo 35.26 35.26 161.81 161.81 0.00 0.00 0.00 0.00 13:40:08 ens3 5.16 3.96 11.06 2.05 0.00 0.00 0.00 0.00 13:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:08 br-202b61e54a1f 29.68 39.36 31.94 142.12 0.00 0.00 0.00 0.00 13:40:08 veth6988d65 12.35 11.12 83.43 55.51 0.00 0.00 0.00 0.01 13:40:08 veth76bca5c 68.94 75.81 51.77 27.29 0.00 0.00 0.00 0.00 13:40:08 vetha3818a0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:08 vethe03834f 37.75 47.40 33.08 258.86 0.00 0.00 0.00 0.02 13:40:08 veth3da0b99 14.50 15.87 118.71 83.17 0.00 0.00 0.00 0.01 13:40:08 veth37f9898 41.12 38.11 63.95 19.00 0.00 0.00 0.00 0.01 13:40:08 veth08202b9 41.54 37.60 18.75 35.62 0.00 0.00 0.00 0.00 13:50:08 lo 26.12 26.12 109.55 109.55 0.00 0.00 0.00 0.00 13:50:08 ens3 8.95 6.43 18.09 3.20 0.00 0.00 0.00 0.00 13:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:08 br-202b61e54a1f 25.12 32.74 24.69 103.68 0.00 0.00 0.00 0.00 13:50:08 veth6988d65 14.19 11.90 131.76 68.61 0.00 0.00 0.00 0.01 13:50:08 veth76bca5c 44.05 48.10 22.48 11.27 0.00 0.00 0.00 0.00 Average: lo 18.36 18.36 75.16 75.16 0.00 0.00 0.00 0.00 Average: ens3 91.64 56.84 632.94 19.22 0.00 0.00 0.00 0.00 Average: docker0 4.40 7.93 0.26 170.51 0.00 0.00 0.00 0.00 Average: br-202b61e54a1f 16.68 21.75 15.56 72.61 0.00 0.00 0.00 0.00 Average: veth6988d65 8.42 7.27 69.45 33.85 0.00 0.00 0.00 0.01 Average: veth76bca5c 57.52 62.23 35.39 23.76 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1818) 03/31/26 _x86_64_ (8 CPU) 13:03:03 LINUX RESTART (8 CPU) 13:10:00 CPU %user %nice %system %iowait %steal %idle 13:20:10 all 25.17 0.02 3.38 2.34 0.32 68.78 13:20:10 0 22.88 0.04 3.05 2.46 0.32 71.25 13:20:10 1 28.14 0.03 3.34 2.60 0.32 65.57 13:20:10 2 27.16 0.01 3.22 2.06 0.56 66.99 13:20:10 3 22.87 0.02 3.22 1.74 0.24 71.91 13:20:10 4 25.54 0.01 3.55 3.98 0.26 66.66 13:20:10 5 26.14 0.02 3.29 1.71 0.36 68.47 13:20:10 6 25.29 0.02 3.70 1.30 0.18 69.50 13:20:10 7 23.31 0.02 3.66 2.85 0.28 69.88 13:30:01 all 9.86 0.00 1.42 0.12 0.07 88.53 13:30:01 0 8.62 0.01 1.45 0.07 0.07 89.79 13:30:01 1 10.08 0.00 1.57 0.09 0.07 88.18 13:30:01 2 10.58 0.01 1.45 0.09 0.08 87.80 13:30:01 3 9.51 0.00 1.43 0.41 0.08 88.57 13:30:01 4 11.02 0.01 1.36 0.14 0.07 87.41 13:30:01 5 9.86 0.01 1.32 0.04 0.07 88.69 13:30:01 6 10.42 0.00 1.35 0.04 0.07 88.12 13:30:01 7 8.76 0.00 1.41 0.06 0.07 89.70 13:40:08 all 8.80 0.00 2.06 0.16 0.09 88.88 13:40:08 0 8.73 0.01 2.15 0.16 0.09 88.86 13:40:08 1 9.13 0.00 2.32 0.16 0.10 88.29 13:40:08 2 9.69 0.01 2.08 0.11 0.10 88.02 13:40:08 3 7.64 0.00 1.97 0.04 0.09 90.25 13:40:08 4 8.61 0.00 2.04 0.08 0.10 89.18 13:40:08 5 9.29 0.00 2.03 0.07 0.09 88.51 13:40:08 6 7.48 0.01 1.89 0.57 0.09 89.97 13:40:08 7 9.86 0.00 1.98 0.11 0.09 87.95 13:50:08 all 7.34 0.00 1.87 0.20 0.10 90.48 13:50:08 0 6.98 0.00 1.97 0.23 0.12 90.70 13:50:08 1 8.01 0.00 1.92 0.12 0.09 89.86 13:50:08 2 8.03 0.01 1.86 0.11 0.10 89.89 13:50:08 3 8.36 0.00 1.82 0.15 0.11 89.56 13:50:08 4 6.89 0.01 1.76 0.19 0.10 91.04 13:50:08 5 7.04 0.01 1.78 0.18 0.09 90.90 13:50:08 6 6.49 0.01 1.93 0.12 0.09 91.36 13:50:08 7 6.94 0.00 1.92 0.51 0.10 90.53 Average: all 12.85 0.01 2.19 0.71 0.15 84.09 Average: 0 11.86 0.01 2.16 0.74 0.15 85.08 Average: 1 13.91 0.01 2.29 0.75 0.15 82.89 Average: 2 13.94 0.01 2.16 0.60 0.21 83.08 Average: 3 12.14 0.01 2.12 0.59 0.13 85.01 Average: 4 13.06 0.01 2.19 1.11 0.13 83.50 Average: 5 13.15 0.01 2.11 0.51 0.16 84.07 Average: 6 12.47 0.01 2.23 0.51 0.11 84.67 Average: 7 12.28 0.01 2.25 0.89 0.13 84.44