---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-12462 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 839 12454 3 18798 30785 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:b7:18:db brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.208/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 82856sec preferred_lft 82856sec inet6 fe80::f816:3eff:feb7:18db/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:c8:d8:24:3d:b9 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::78c8:d8ff:fe24:3db9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-12462) 08/14/26 _x86_64_ (8 CPU) 08:48:33 LINUX RESTART (8 CPU) 08:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:00:18 16.19 0.04 2.78 13.37 0.96 9710.84 494298.21 09:10:12 72.22 5.04 66.38 0.80 337.23 11349.29 1616.59 09:20:00 547.16 0.93 534.75 11.47 53.27 38098.46 92446.04 09:30:18 154.03 0.10 147.20 6.72 13.02 28984.34 29168.72 09:40:18 10.57 0.10 10.17 0.29 3.85 395.91 3962.91 Average: 157.74 1.22 149.95 6.56 80.40 17657.58 126254.50 08:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:00:18 30139252 31813644 574160 1.75 60324 1953052 1531068 4.51 193048 2260776 12 09:10:12 26569660 30390800 1919936 5.84 179692 3853004 2456012 7.24 441944 5342644 6508 09:20:00 13810760 26889196 5340788 16.25 514444 11949384 5542188 16.34 3064408 14593908 548 09:30:18 1990288 21426800 10729224 32.65 583024 17985344 17134996 50.53 4751896 22463384 244 09:40:18 263944 19751824 12402260 37.74 584224 18030124 18255352 53.83 4812036 24108508 672 Average: 14554781 26054453 6193274 18.85 384342 10754182 8983923 26.49 2652666 13753844 1597 08:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:00:18 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:00:18 ens3 0.66 0.38 0.34 0.39 0.00 0.00 0.00 0.00 09:00:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:12 lo 0.38 0.38 0.04 0.04 0.00 0.00 0.00 0.00 09:10:12 ens3 97.55 70.96 1259.92 14.73 0.00 0.00 0.00 0.00 09:10:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:00 lo 0.31 0.31 0.03 0.03 0.00 0.00 0.00 0.00 09:20:00 ens3 277.31 184.22 1808.82 62.27 0.00 0.00 0.00 0.00 09:20:00 docker0 11.39 16.55 0.69 335.11 0.00 0.00 0.00 0.00 09:20:00 veth5456ed0 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 09:30:18 lo 0.63 0.63 0.05 0.05 0.00 0.00 0.00 0.00 09:30:18 ens3 88.68 52.34 1597.39 10.94 0.00 0.00 0.00 0.00 09:30:18 docker0 13.73 30.14 0.80 512.50 0.00 0.00 0.00 0.00 09:30:18 br-b8ae2ecb3922 0.28 0.25 0.01 0.02 0.00 0.00 0.00 0.00 09:30:18 veth8752473 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 09:30:18 veth7505b89 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 09:30:18 veth953bec2 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 09:30:18 veth4137b41 0.22 0.26 0.02 0.02 0.00 0.00 0.00 0.00 09:30:18 veth71e05e2 6.95 6.93 4.53 1.31 0.00 0.00 0.00 0.00 09:30:18 veth264c4b1 1.55 1.52 0.17 0.96 0.00 0.00 0.00 0.00 09:30:18 veth72e9f2b 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 09:30:18 vethc345683 0.71 0.62 0.09 0.76 0.00 0.00 0.00 0.00 09:40:18 lo 5.53 5.53 25.86 25.86 0.00 0.00 0.00 0.00 09:40:18 ens3 14.75 9.18 5.82 5.57 0.00 0.00 0.00 0.00 09:40:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:18 br-b8ae2ecb3922 3.11 2.92 25.20 0.72 0.00 0.00 0.00 0.00 09:40:18 veth8752473 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:18 veth7505b89 0.23 0.20 0.02 0.08 0.00 0.00 0.00 0.00 09:40:18 veth953bec2 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 09:40:18 veth4137b41 0.46 0.27 0.07 0.43 0.00 0.00 0.00 0.00 09:40:18 veth71e05e2 250.47 269.64 182.44 125.97 0.00 0.00 0.00 0.01 09:40:18 veth264c4b1 129.88 120.07 99.69 66.71 0.00 0.00 0.00 0.01 09:40:18 vethc345683 147.21 137.12 67.18 119.55 0.00 0.00 0.00 0.01 Average: lo 1.39 1.39 5.17 5.17 0.00 0.00 0.00 0.00 Average: ens3 94.44 62.47 928.78 18.46 0.00 0.00 0.00 0.00 Average: docker0 5.03 9.40 0.30 170.25 0.00 0.00 0.00 0.00 Average: br-b8ae2ecb3922 0.68 0.63 5.01 0.15 0.00 0.00 0.00 0.00 Average: veth8752473 0.00 0.02 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth7505b89 0.05 0.06 0.01 0.02 0.00 0.00 0.00 0.00 Average: veth953bec2 0.01 0.03 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth4137b41 0.14 0.11 0.02 0.09 0.00 0.00 0.00 0.00 Average: veth71e05e2 51.22 55.03 37.20 25.32 0.00 0.00 0.00 0.00 Average: veth264c4b1 26.14 24.19 19.86 13.46 0.00 0.00 0.00 0.00 Average: vethc345683 29.41 27.39 13.38 23.93 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-12462) 08/14/26 _x86_64_ (8 CPU) 08:48:33 LINUX RESTART (8 CPU) 08:50:01 CPU %user %nice %system %iowait %steal %idle 09:00:18 all 0.05 0.00 0.03 0.26 0.01 99.66 09:00:18 0 0.03 0.00 0.03 0.00 0.01 99.93 09:00:18 1 0.04 0.00 0.05 0.39 0.01 99.52 09:00:18 2 0.02 0.00 0.03 0.00 0.01 99.94 09:00:18 3 0.14 0.00 0.01 0.01 0.00 99.83 09:00:18 4 0.07 0.00 0.02 1.68 0.01 98.22 09:00:18 5 0.01 0.00 0.01 0.00 0.00 99.98 09:00:18 6 0.03 0.00 0.02 0.02 0.00 99.92 09:00:18 7 0.03 0.00 0.04 0.00 0.01 99.92 09:10:12 all 3.33 0.00 0.50 2.14 0.03 94.00 09:10:12 0 6.12 0.00 0.66 1.01 0.03 92.17 09:10:12 1 2.59 0.00 0.46 1.68 0.04 95.23 09:10:12 2 2.77 0.00 0.50 1.29 0.03 95.41 09:10:12 3 1.98 0.00 0.49 0.99 0.03 96.52 09:10:12 4 3.78 0.00 0.47 6.98 0.03 88.74 09:10:12 5 2.97 0.00 0.39 0.90 0.03 95.71 09:10:12 6 2.78 0.00 0.54 2.04 0.03 94.61 09:10:12 7 3.62 0.00 0.52 2.24 0.03 93.58 09:20:00 all 33.51 0.00 4.35 7.27 0.18 54.69 09:20:00 0 28.69 0.00 4.14 8.19 0.16 58.81 09:20:00 1 33.31 0.00 4.20 6.10 0.19 56.19 09:20:00 2 36.32 0.00 4.43 6.45 0.18 52.62 09:20:00 3 36.67 0.00 4.66 6.47 0.17 52.03 09:20:00 4 30.81 0.00 4.35 7.41 0.18 57.25 09:20:00 5 34.93 0.00 4.21 7.62 0.19 53.04 09:20:00 6 34.24 0.00 4.28 9.03 0.17 52.29 09:20:00 7 33.13 0.00 4.55 6.89 0.18 55.25 09:30:18 all 9.02 0.02 2.12 7.65 0.08 81.11 09:30:18 0 11.09 0.01 2.25 7.48 0.10 79.07 09:30:18 1 9.62 0.05 2.40 6.54 0.08 81.31 09:30:18 2 8.15 0.02 2.02 6.44 0.08 83.29 09:30:18 3 8.42 0.03 1.98 5.54 0.07 83.97 09:30:18 4 8.87 0.02 2.13 10.66 0.08 78.24 09:30:18 5 8.96 0.01 1.87 7.99 0.08 81.09 09:30:18 6 8.44 0.03 2.10 11.59 0.08 77.75 09:30:18 7 8.62 0.02 2.19 4.94 0.08 84.15 09:40:18 all 8.23 0.00 1.40 0.30 0.09 89.98 09:40:18 0 7.23 0.00 1.78 0.35 0.10 90.54 09:40:18 1 7.44 0.00 1.52 0.09 0.10 90.86 09:40:18 2 8.58 0.00 1.51 0.24 0.09 89.58 09:40:18 3 9.04 0.00 1.42 0.13 0.10 89.31 09:40:18 4 8.75 0.00 1.30 0.13 0.08 89.74 09:40:18 5 8.77 0.00 1.34 0.91 0.08 88.91 09:40:18 6 7.76 0.00 1.24 0.33 0.11 90.55 09:40:18 7 8.25 0.00 1.11 0.21 0.08 90.34 Average: all 10.63 0.01 1.66 3.51 0.08 84.12 Average: 0 10.48 0.00 1.76 3.39 0.08 84.29 Average: 1 10.41 0.01 1.71 2.95 0.08 84.84 Average: 2 10.95 0.00 1.67 2.87 0.08 84.43 Average: 3 11.03 0.01 1.69 2.61 0.07 84.59 Average: 4 10.28 0.00 1.63 5.37 0.07 82.63 Average: 5 10.92 0.00 1.54 3.47 0.07 83.99 Average: 6 10.44 0.01 1.61 4.59 0.08 83.27 Average: 7 10.53 0.00 1.66 2.83 0.07 84.90