---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2980 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 17G 138G 11% / 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 739 19504 4 11848 30884 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:79:ec:7e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.212/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84322sec preferred_lft 84322sec inet6 fe80::f816:3eff:fe79:ec7e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:c6:a2:8d:a2:35 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::f4c6:a2ff:fe8d:a235/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-2980) 09/08/26 _x86_64_ (8 CPU) 00:23:19 LINUX RESTART (8 CPU) 00:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:01 8.92 0.05 8.45 0.43 1.67 2496.16 110.51 00:50:13 37.71 2.23 34.38 1.11 319.83 22027.42 2922.36 Average: 23.49 1.15 21.57 0.78 162.66 12378.72 1533.27 00:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:01 24800652 29426200 2879864 8.76 151296 4674364 3065496 9.04 876628 6682728 38956 00:50:13 20209168 31650528 624544 1.90 226972 11143440 1509392 4.45 2969908 8878284 304 Average: 22504910 30538364 1752204 5.33 189134 7908902 2287444 6.75 1923268 7780506 19630 00:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:01 lo 1.86 1.86 0.17 0.17 0.00 0.00 0.00 0.00 00:40:01 ens3 48.18 43.38 240.98 12.54 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 00:50:13 lo 221.87 221.87 217.42 217.42 0.00 0.00 0.00 0.00 00:50:13 ens3 109.50 85.14 332.35 1208.10 0.00 0.00 0.00 0.00 00:50:13 docker0 50.75 61.10 1196.87 6.47 0.00 0.00 0.00 0.00 00:50:13 vetha38c721 50.74 61.11 1197.57 6.47 0.00 0.00 0.00 0.10 Average: lo 113.18 113.18 110.09 110.09 0.00 0.00 0.00 0.00 Average: ens3 79.21 64.51 287.22 617.48 0.00 0.00 0.00 0.00 Average: docker0 25.68 30.91 605.60 3.27 0.00 0.00 0.00 0.00 Average: vetha38c721 25.68 30.92 605.95 3.27 0.00 0.00 0.00 0.05 ---> sar -P ALL: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-2980) 09/08/26 _x86_64_ (8 CPU) 00:23:19 LINUX RESTART (8 CPU) 00:30:02 CPU %user %nice %system %iowait %steal %idle 00:40:01 all 33.64 0.00 1.40 0.03 0.01 64.91 00:40:01 0 26.00 0.00 1.22 0.03 0.01 72.74 00:40:01 1 30.94 0.00 1.33 0.02 0.01 67.70 00:40:01 2 36.07 0.00 1.73 0.05 0.01 62.13 00:40:01 3 30.48 0.00 1.26 0.02 0.01 68.23 00:40:01 4 38.73 0.00 1.35 0.05 0.01 59.86 00:40:01 5 38.81 0.00 1.57 0.01 0.02 59.59 00:40:01 6 35.75 0.00 1.24 0.02 0.02 62.97 00:40:01 7 32.42 0.00 1.53 0.02 0.02 66.00 00:50:13 all 13.38 0.00 1.24 0.23 0.01 85.14 00:50:13 0 12.30 0.00 1.45 0.19 0.02 86.05 00:50:13 1 16.81 0.00 1.59 0.07 0.01 81.52 00:50:13 2 17.26 0.00 1.58 0.12 0.01 81.02 00:50:13 3 14.58 0.00 1.23 0.18 0.01 84.00 00:50:13 4 11.56 0.00 0.84 0.37 0.01 87.22 00:50:13 5 11.23 0.00 0.99 0.49 0.01 87.27 00:50:13 6 10.45 0.00 1.09 0.22 0.01 88.22 00:50:13 7 12.83 0.00 1.17 0.17 0.01 85.82 Average: all 23.39 0.00 1.32 0.13 0.01 75.15 Average: 0 19.08 0.00 1.33 0.11 0.01 79.46 Average: 1 23.78 0.00 1.46 0.05 0.01 74.70 Average: 2 26.54 0.00 1.66 0.09 0.01 71.70 Average: 3 22.44 0.00 1.24 0.10 0.01 76.21 Average: 4 24.96 0.00 1.09 0.21 0.01 73.73 Average: 5 24.86 0.00 1.28 0.26 0.01 73.60 Average: 6 22.95 0.00 1.17 0.12 0.02 75.75 Average: 7 22.51 0.00 1.35 0.10 0.01 76.03