---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-17970 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 UTC 2025 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 19G 137G 12% / 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 773 17458 4 13860 30851 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:d4:d8:a5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.110/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83275sec preferred_lft 83275sec inet6 fe80::f816:3eff:fed4:d8a5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:3b:b7:c1:51:7e 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::643b:b7ff:fec1:517e/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-161-generic (prd-ubuntu2204-docker-8c-8g-17970) 01/03/26 _x86_64_ (8 CPU) 00:05:14 LINUX RESTART (8 CPU) 00:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:05 31.01 0.98 14.71 15.31 620.66 4830.73 521650.90 00:30:05 8.65 0.16 7.94 0.55 6.13 3006.91 4258.46 00:40:01 21.84 0.17 21.30 0.36 4.82 15198.51 829.57 00:50:06 39.05 1.78 36.08 1.19 308.08 10476.03 1700.55 Average: 25.18 0.78 20.03 4.37 236.06 8366.45 132684.64 00:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:05 23705188 28587764 3714536 11.30 178156 4870984 3870140 11.41 1166380 7466520 30584 00:30:05 22449456 28146896 4149408 12.63 208972 5584648 4268332 12.59 1369248 8446780 1380 00:40:01 17542356 28573808 3701416 11.26 263652 10663236 3778620 11.14 2965344 11534144 739060 00:50:06 18160160 31663648 596820 1.82 290184 13005816 1424924 4.20 3751648 9995368 248 Average: 20464290 29243029 3040545 9.25 235241 8531171 3335504 9.84 2313155 9360703 192818 00:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:05 lo 5.44 5.44 0.53 0.53 0.00 0.00 0.00 0.00 00:20:05 ens3 61.73 45.63 287.91 12.01 0.00 0.00 0.00 0.00 00:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:05 lo 1.29 1.29 0.13 0.13 0.00 0.00 0.00 0.00 00:30:05 ens3 49.42 38.01 18.34 20.37 0.00 0.00 0.00 0.00 00:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:40:01 lo 4489.16 4489.16 4286.58 4286.58 0.00 0.00 0.00 0.00 00:40:01 ens3 61.29 46.70 313.82 13.61 0.00 0.00 0.00 0.00 00:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:06 lo 94.82 94.82 90.05 90.05 0.00 0.00 0.00 0.00 00:50:06 ens3 141.59 143.05 318.38 1557.66 0.00 0.00 0.00 0.00 00:50:06 docker0 125.82 113.05 1551.60 77.17 0.00 0.00 0.00 0.00 00:50:06 veth42a28b4 123.49 110.35 1553.14 16.72 0.00 0.00 0.00 0.13 Average: lo 1138.71 1138.71 1085.76 1085.76 0.00 0.00 0.00 0.00 Average: ens3 78.64 68.49 234.76 403.21 0.00 0.00 0.00 0.00 Average: docker0 31.64 28.43 390.21 19.41 0.00 0.00 0.00 0.00 Average: veth42a28b4 31.06 27.75 390.60 4.20 0.00 0.00 0.00 0.03 ---> sar -P ALL: Linux 5.15.0-161-generic (prd-ubuntu2204-docker-8c-8g-17970) 01/03/26 _x86_64_ (8 CPU) 00:05:14 LINUX RESTART (8 CPU) 00:10:01 CPU %user %nice %system %iowait %steal %idle 00:20:05 all 40.02 0.00 1.47 0.08 0.07 58.36 00:20:05 0 35.79 0.00 1.18 0.17 0.06 62.79 00:20:05 1 42.00 0.00 1.67 0.09 0.07 56.18 00:20:05 2 45.36 0.00 1.56 0.03 0.06 52.98 00:20:05 3 46.14 0.00 1.87 0.02 0.07 51.89 00:20:05 4 29.26 0.00 1.10 0.22 0.06 69.36 00:20:05 5 41.34 0.00 1.69 0.03 0.07 56.88 00:20:05 6 41.64 0.00 1.21 0.03 0.07 57.05 00:20:05 7 38.71 0.00 1.45 0.05 0.07 59.72 00:30:05 all 36.52 0.00 1.50 0.03 0.06 61.89 00:30:05 0 29.77 0.00 1.21 0.03 0.07 68.92 00:30:05 1 35.00 0.00 1.65 0.07 0.07 63.21 00:30:05 2 38.08 0.00 1.72 0.03 0.06 60.11 00:30:05 3 40.71 0.00 1.59 0.02 0.06 57.61 00:30:05 4 39.30 0.00 1.38 0.03 0.06 59.23 00:30:05 5 39.45 0.00 1.59 0.01 0.06 58.90 00:30:05 6 36.74 0.00 1.49 0.02 0.06 61.69 00:30:05 7 33.09 0.00 1.39 0.03 0.07 65.43 00:40:01 all 20.19 0.00 2.01 0.17 0.05 77.58 00:40:01 0 16.43 0.00 2.02 0.22 0.06 81.27 00:40:01 1 17.37 0.00 1.29 0.32 0.06 80.96 00:40:01 2 27.89 0.00 3.96 0.27 0.05 67.83 00:40:01 3 22.93 0.00 2.04 0.07 0.04 74.92 00:40:01 4 23.11 0.00 1.16 0.07 0.06 75.60 00:40:01 5 19.15 0.00 2.08 0.23 0.05 78.49 00:40:01 6 17.77 0.00 2.37 0.02 0.05 79.79 00:40:01 7 16.88 0.00 1.13 0.20 0.06 81.74 00:50:06 all 8.77 0.00 1.28 0.13 0.04 89.77 00:50:06 0 12.15 0.00 2.57 0.22 0.04 85.01 00:50:06 1 15.01 0.00 2.43 0.12 0.05 82.39 00:50:06 2 7.84 0.00 1.30 0.08 0.04 90.75 00:50:06 3 8.26 0.00 1.06 0.11 0.05 90.52 00:50:06 4 6.71 0.00 0.85 0.09 0.04 92.31 00:50:06 5 6.67 0.00 0.67 0.12 0.04 92.50 00:50:06 6 5.91 0.00 0.51 0.11 0.03 93.44 00:50:06 7 7.63 0.00 0.83 0.21 0.05 91.29 Average: all 26.37 0.00 1.56 0.10 0.06 71.91 Average: 0 23.54 0.00 1.75 0.16 0.06 74.49 Average: 1 27.35 0.00 1.76 0.15 0.06 70.68 Average: 2 29.77 0.00 2.13 0.10 0.05 67.94 Average: 3 29.49 0.00 1.64 0.06 0.06 68.76 Average: 4 24.56 0.00 1.12 0.10 0.05 74.16 Average: 5 26.64 0.00 1.50 0.10 0.06 71.70 Average: 6 25.50 0.00 1.39 0.05 0.05 73.01 Average: 7 24.07 0.00 1.20 0.12 0.06 74.55