---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-13087 5.15.0-181-generic #191-Ubuntu SMP Fri May 22 19:09:02 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 883 13581 4 17626 30738 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:ad:8a:22 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.112/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83695sec preferred_lft 83695sec inet6 fe80::f816:3eff:fead:8a22/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:cf:70:24:99:a5 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::d4cf:70ff:fe24:99a5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-13087) 07/27/26 _x86_64_ (8 CPU) 18:34:15 LINUX RESTART (8 CPU) 18:40:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:50:03 289.67 0.48 279.27 9.91 23.18 48946.11 64366.27 19:00:03 52.58 0.34 24.07 28.18 14.32 3126.17 468975.13 19:10:13 10.92 0.04 10.46 0.43 1.52 2066.89 449.88 Average: 116.19 0.28 103.12 12.78 12.89 17789.44 177548.09 18:40:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:50:03 1663364 21203944 10950164 33.32 600916 18044336 16823140 49.61 4787748 22708228 508 19:00:03 272348 19440520 12619456 38.40 586292 17767668 18872024 55.65 4971356 23883480 11940 19:10:13 304000 18956080 13080560 39.80 584516 17287472 19270184 56.83 4887608 23951220 620 Average: 746571 19866848 12216727 37.18 590575 17699825 18321783 54.03 4882237 23514309 4356 18:40:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:50:03 lo 0.71 0.71 0.06 0.06 0.00 0.00 0.00 0.00 18:50:03 ens3 303.66 195.69 2478.35 57.37 0.00 0.00 0.00 0.00 18:50:03 docker0 17.34 30.71 1.02 729.71 0.00 0.00 0.00 0.00 18:50:03 br-c8ad2b065862 0.31 0.27 0.01 0.02 0.00 0.00 0.00 0.00 18:50:03 veth542d50d 0.04 0.14 0.00 0.01 0.00 0.00 0.00 0.00 18:50:03 vethd8b4de4 0.32 0.36 0.03 0.13 0.00 0.00 0.00 0.00 18:50:03 veth1f96e56 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 18:50:03 vethd834971 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 18:50:03 veth9fbc3f7 8.54 8.68 5.05 1.58 0.00 0.00 0.00 0.00 18:50:03 veth35bf9d5 3.18 2.96 0.51 1.19 0.00 0.00 0.00 0.00 18:50:03 veth324edae 0.07 0.14 0.03 0.03 0.00 0.00 0.00 0.00 18:50:03 veth58a26b0 1.04 0.87 0.14 0.96 0.00 0.00 0.00 0.00 19:00:03 lo 15.61 15.61 41.46 41.46 0.00 0.00 0.00 0.00 19:00:03 ens3 11.00 9.66 31.50 2.04 0.00 0.00 0.00 0.00 19:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:00:03 br-c8ad2b065862 15.65 17.57 7.90 64.99 0.00 0.00 0.00 0.00 19:00:03 veth542d50d 17.29 17.36 210.36 56.75 0.00 0.00 0.00 0.02 19:00:03 vethd8b4de4 8.96 8.93 56.25 25.37 0.00 0.00 0.00 0.00 19:00:03 veth1f96e56 0.10 0.10 0.01 0.03 0.00 0.00 0.00 0.00 19:00:03 vethd834971 25.75 27.65 7.78 273.98 0.00 0.00 0.00 0.02 19:00:03 veth9fbc3f7 112.22 120.75 63.81 55.85 0.00 0.00 0.00 0.01 19:00:03 veth35bf9d5 88.13 81.89 79.71 39.74 0.00 0.00 0.00 0.01 19:00:03 veth58a26b0 38.74 35.78 15.88 26.83 0.00 0.00 0.00 0.00 19:10:13 lo 35.71 35.71 173.74 173.74 0.00 0.00 0.00 0.00 19:10:13 ens3 1.09 1.11 0.25 1.08 0.00 0.00 0.00 0.00 19:10:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:10:13 br-c8ad2b065862 29.67 31.08 34.43 141.05 0.00 0.00 0.00 0.00 19:10:13 veth542d50d 10.55 9.40 43.11 7.68 0.00 0.00 0.00 0.00 19:10:13 vethd8b4de4 8.34 9.61 8.14 41.88 0.00 0.00 0.00 0.00 19:10:13 veth1f96e56 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:10:13 vethd834971 34.72 36.07 34.74 182.46 0.00 0.00 0.00 0.01 19:10:13 veth9fbc3f7 71.92 79.13 57.33 28.40 0.00 0.00 0.00 0.00 19:10:13 veth35bf9d5 45.49 42.14 52.65 25.65 0.00 0.00 0.00 0.00 19:10:13 veth58a26b0 39.85 35.95 18.14 34.25 0.00 0.00 0.00 0.00 Average: lo 17.54 17.54 72.71 72.71 0.00 0.00 0.00 0.00 Average: ens3 103.59 67.75 823.12 19.85 0.00 0.00 0.00 0.00 Average: docker0 5.68 10.07 0.34 239.24 0.00 0.00 0.00 0.00 Average: br-c8ad2b065862 15.37 16.48 14.30 69.46 0.00 0.00 0.00 0.00 Average: veth542d50d 9.35 9.01 84.72 21.52 0.00 0.00 0.00 0.01 Average: vethd8b4de4 5.92 6.35 21.51 22.69 0.00 0.00 0.00 0.00 Average: veth1f96e56 0.04 0.07 0.00 0.01 0.00 0.00 0.00 0.00 Average: vethd834971 20.35 21.47 14.36 153.14 0.00 0.00 0.00 0.01 Average: veth9fbc3f7 64.57 69.90 42.35 28.75 0.00 0.00 0.00 0.00 Average: veth35bf9d5 45.83 42.54 44.57 22.33 0.00 0.00 0.00 0.00 Average: veth58a26b0 26.76 24.39 11.49 20.87 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-13087) 07/27/26 _x86_64_ (8 CPU) 18:34:15 LINUX RESTART (8 CPU) 18:40:13 CPU %user %nice %system %iowait %steal %idle 18:50:03 all 21.22 0.02 3.14 0.86 0.08 74.68 18:50:03 0 17.91 0.02 3.02 0.46 0.07 78.53 18:50:03 1 20.36 0.01 3.51 1.56 0.08 74.49 18:50:03 2 25.18 0.02 3.67 1.22 0.09 69.83 18:50:03 3 22.31 0.04 2.97 0.60 0.08 74.01 18:50:03 4 21.54 0.02 3.39 0.64 0.08 74.32 18:50:03 5 18.49 0.02 2.91 0.60 0.08 77.90 18:50:03 6 22.78 0.03 2.85 0.80 0.09 73.46 18:50:03 7 21.19 0.02 2.79 0.98 0.08 74.94 19:00:03 all 10.30 0.01 1.62 0.13 0.08 87.86 19:00:03 0 9.94 0.00 1.67 0.08 0.08 88.24 19:00:03 1 10.70 0.01 1.77 0.13 0.08 87.31 19:00:03 2 10.35 0.01 1.72 0.19 0.08 87.66 19:00:03 3 10.42 0.00 1.52 0.17 0.08 87.81 19:00:03 4 11.23 0.01 1.68 0.18 0.08 86.82 19:00:03 5 9.47 0.01 1.51 0.09 0.08 88.85 19:00:03 6 9.97 0.01 1.53 0.05 0.08 88.36 19:00:03 7 10.36 0.01 1.59 0.15 0.07 87.83 19:10:13 all 7.69 0.00 1.72 0.03 0.08 90.48 19:10:13 0 7.16 0.00 1.71 0.04 0.08 91.01 19:10:13 1 8.17 0.00 1.72 0.02 0.09 89.99 19:10:13 2 8.78 0.00 1.91 0.02 0.09 89.20 19:10:13 3 7.04 0.00 1.64 0.04 0.09 91.18 19:10:13 4 7.48 0.00 1.62 0.07 0.08 90.75 19:10:13 5 7.70 0.00 1.79 0.02 0.09 90.39 19:10:13 6 7.81 0.00 1.67 0.03 0.08 90.40 19:10:13 7 7.37 0.00 1.67 0.02 0.08 90.86 Average: all 13.00 0.01 2.15 0.34 0.08 84.42 Average: 0 11.61 0.01 2.13 0.19 0.08 85.99 Average: 1 13.01 0.00 2.33 0.56 0.09 84.02 Average: 2 14.69 0.01 2.42 0.47 0.09 82.33 Average: 3 13.17 0.01 2.04 0.27 0.08 84.43 Average: 4 13.34 0.01 2.22 0.29 0.08 84.05 Average: 5 11.83 0.01 2.06 0.23 0.08 85.78 Average: 6 13.44 0.01 2.01 0.29 0.08 84.16 Average: 7 12.90 0.01 2.01 0.38 0.08 84.63