---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-19447 5.15.0-170-generic #180-Ubuntu SMP Fri Jan 9 16:10:31 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 28G 128G 18% / 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 1047 11365 4 19679 30576 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:92:01:a9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.19/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83761sec preferred_lft 83761sec inet6 fe80::f816:3eff:fe92:1a9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:e3:e8:57:93:6f 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::64e3:e8ff:fe57:936f/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-170-generic (prd-ubuntu2204-docker-8c-8g-19447) 02/23/26 _x86_64_ (8 CPU) 09:22:23 LINUX RESTART (8 CPU) 09:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:40:22 394.57 0.64 388.22 5.71 7.48 41628.50 43563.86 09:50:22 200.28 0.60 191.19 8.49 18.69 21511.81 21201.31 10:00:01 32.63 0.72 10.67 21.24 18.24 419.20 461730.82 Average: 213.49 0.65 201.21 11.63 14.67 21679.34 170538.27 09:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:40:22 8681080 26255636 5956812 18.13 530496 16296816 4800100 14.15 4843704 17734356 240 09:50:22 264228 21432292 10710584 32.59 591568 19608728 16068820 47.39 5965644 22875968 412 10:00:01 241428 20476996 11665384 35.50 585768 18699584 17086804 50.39 5756560 23110360 1456 Average: 3062245 22721641 9444260 28.74 569277 18201709 12651908 37.31 5521969 21240228 703 09:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:40:22 lo 0.33 0.33 0.05 0.05 0.00 0.00 0.00 0.00 09:40:22 ens3 185.04 112.05 1557.02 23.99 0.00 0.00 0.00 0.00 09:40:22 docker0 21.89 38.25 1.33 276.40 0.00 0.00 0.00 0.00 09:50:22 lo 0.62 0.62 0.05 0.05 0.00 0.00 0.00 0.00 09:50:22 ens3 117.16 84.57 1470.46 20.96 0.00 0.00 0.00 0.00 09:50:22 docker0 11.56 16.39 0.64 213.80 0.00 0.00 0.00 0.00 09:50:22 br-16e920cfed5f 0.30 0.26 0.01 0.02 0.00 0.00 0.00 0.00 09:50:22 veth11791bd 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 09:50:22 veth42e8c38 24.51 24.68 7.26 5.99 0.00 0.00 0.00 0.00 09:50:22 veth09d780b 0.32 0.34 0.03 0.14 0.00 0.00 0.00 0.00 09:50:22 veth22e25f7 0.02 0.10 0.00 0.01 0.00 0.00 0.00 0.00 09:50:22 vethe38b7ea 0.04 0.12 0.00 0.01 0.00 0.00 0.00 0.00 09:50:22 veth4c60f58 19.37 19.06 6.03 3.73 0.00 0.00 0.00 0.00 09:50:22 vethf6ab886 0.19 0.27 0.31 1.11 0.00 0.00 0.00 0.00 09:50:22 vethe0b44bb 1.03 0.87 0.14 0.96 0.00 0.00 0.00 0.00 10:00:01 lo 6.89 6.89 31.08 31.08 0.00 0.00 0.00 0.00 10:00:01 ens3 19.84 12.70 7.79 6.95 0.00 0.00 0.00 0.00 10:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:01 br-16e920cfed5f 3.72 3.61 30.31 0.84 0.00 0.00 0.00 0.00 10:00:01 veth11791bd 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:01 veth42e8c38 276.78 298.60 217.50 143.59 0.00 0.00 0.00 0.02 10:00:01 veth09d780b 0.40 0.20 0.07 0.35 0.00 0.00 0.00 0.00 10:00:01 veth22e25f7 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:01 vethe38b7ea 0.23 0.21 0.03 0.09 0.00 0.00 0.00 0.00 10:00:01 veth4c60f58 123.16 113.36 104.93 71.30 0.00 0.00 0.00 0.01 10:00:01 vethe0b44bb 183.56 170.96 84.16 150.06 0.00 0.00 0.00 0.01 Average: lo 2.54 2.54 10.03 10.03 0.00 0.00 0.00 0.00 Average: ens3 109.32 70.96 1030.17 17.50 0.00 0.00 0.00 0.00 Average: docker0 11.41 18.67 0.67 166.69 0.00 0.00 0.00 0.00 Average: br-16e920cfed5f 1.29 1.25 9.75 0.27 0.00 0.00 0.00 0.00 Average: veth11791bd 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth42e8c38 97.14 104.21 72.34 48.15 0.00 0.00 0.00 0.01 Average: veth09d780b 0.23 0.18 0.03 0.16 0.00 0.00 0.00 0.00 Average: veth22e25f7 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethe38b7ea 0.09 0.11 0.01 0.03 0.00 0.00 0.00 0.00 Average: veth4c60f58 46.04 42.79 35.74 24.16 0.00 0.00 0.00 0.00 Average: vethe0b44bb 59.35 55.24 27.10 48.56 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-170-generic (prd-ubuntu2204-docker-8c-8g-19447) 02/23/26 _x86_64_ (8 CPU) 09:22:23 LINUX RESTART (8 CPU) 09:30:00 CPU %user %nice %system %iowait %steal %idle 09:40:22 all 13.60 0.00 2.82 4.23 0.07 79.28 09:40:22 0 10.93 0.00 2.29 3.70 0.07 83.02 09:40:22 1 11.49 0.00 2.72 3.24 0.06 82.49 09:40:22 2 10.96 0.00 3.18 7.27 0.07 78.52 09:40:22 3 17.90 0.00 3.65 5.21 0.07 73.17 09:40:22 4 16.62 0.00 3.03 3.86 0.08 76.41 09:40:22 5 11.38 0.00 2.79 3.00 0.07 82.75 09:40:22 6 18.16 0.00 3.11 3.01 0.07 75.64 09:40:22 7 11.42 0.00 1.77 4.53 0.06 82.22 09:50:22 all 14.98 0.02 2.00 2.10 0.07 80.82 09:50:22 0 13.40 0.03 1.90 1.33 0.06 83.28 09:50:22 1 13.92 0.03 2.03 2.92 0.07 81.04 09:50:22 2 14.41 0.03 2.12 1.36 0.07 82.01 09:50:22 3 15.53 0.02 2.30 2.31 0.07 79.77 09:50:22 4 15.61 0.03 1.88 1.31 0.07 81.09 09:50:22 5 17.02 0.01 2.17 1.67 0.07 79.05 09:50:22 6 15.30 0.02 1.90 1.19 0.07 81.52 09:50:22 7 14.68 0.02 1.72 4.72 0.07 78.79 10:00:01 all 7.71 0.00 1.10 0.30 0.06 90.83 10:00:01 0 7.48 0.00 1.21 0.18 0.06 91.07 10:00:01 1 8.68 0.00 1.10 1.08 0.07 89.08 10:00:01 2 7.99 0.00 1.12 0.21 0.06 90.62 10:00:01 3 8.98 0.00 1.22 0.15 0.07 89.58 10:00:01 4 7.43 0.00 1.03 0.16 0.07 91.31 10:00:01 5 7.02 0.00 1.01 0.43 0.06 91.48 10:00:01 6 7.45 0.00 1.04 0.09 0.06 91.35 10:00:01 7 6.66 0.00 1.05 0.08 0.06 92.16 Average: all 12.17 0.01 1.99 2.26 0.07 83.50 Average: 0 10.65 0.01 1.81 1.78 0.06 85.69 Average: 1 11.40 0.01 1.97 2.44 0.07 84.12 Average: 2 11.15 0.01 2.16 3.03 0.07 83.58 Average: 3 14.25 0.01 2.42 2.62 0.07 80.63 Average: 4 13.34 0.01 2.01 1.82 0.07 82.75 Average: 5 11.86 0.00 2.01 1.73 0.07 84.32 Average: 6 13.77 0.01 2.04 1.47 0.07 82.64 Average: 7 10.98 0.01 1.52 3.17 0.06 84.26