---> uname -a: Linux prd-ubuntu2204-docker-v1-8c-8g-17246 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): 4 On-line CPU(s) list: 0-3 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): 4 Stepping: 0 BogoMIPS: 5600.00 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 14G 64G 18% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 636 8952 4 6401 15009 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:a6:66:20 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.222/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83489sec preferred_lft 83489sec inet6 fe80::f816:3eff:fea6:6620/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:9f:9e:c0:c8:c9 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 ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-v1-8c-8g-17246) 09/01/26 _x86_64_ (4 CPU) 18:53:42 LINUX RESTART (4 CPU) 19:00:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:10:12 7.70 1.46 6.16 0.09 94.85 1864.75 11.52 19:20:12 8.29 0.27 7.84 0.18 15.01 7889.67 3204.85 19:30:12 16.54 0.20 3.25 13.09 3.11 1266.45 228695.29 19:40:12 7.63 0.17 6.89 0.57 10.60 2988.77 4227.11 Average: 10.04 0.53 6.03 3.48 30.89 3502.41 59034.69 19:00:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:10:12 10580528 13618404 2343028 14.31 158012 3015760 2689408 15.44 449332 4939076 360 19:20:12 7870576 12984656 2968656 18.13 172956 5002012 3077096 17.66 714548 7309332 8 19:30:12 7666668 13086984 2864672 17.50 179108 5286744 2945980 16.91 753392 7464424 880 19:40:12 9151044 15351716 595984 3.64 186736 6038836 1156852 6.64 1185116 5520972 204 Average: 8817204 13760440 2193085 13.39 174203 4835838 2467334 14.16 775597 6308451 363 19:00:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:10:12 lo 0.19 0.19 0.02 0.02 0.00 0.00 0.00 0.00 19:10:12 ens3 53.37 45.41 510.41 8.59 0.00 0.00 0.00 0.00 19:10:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:20:12 lo 0.22 0.22 0.02 0.02 0.00 0.00 0.00 0.00 19:20:12 ens3 38.28 35.16 170.12 11.10 0.00 0.00 0.00 0.00 19:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:12 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 19:30:12 ens3 22.30 18.98 119.95 5.55 0.00 0.00 0.00 0.00 19:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:12 lo 8.31 8.31 0.80 0.80 0.00 0.00 0.00 0.00 19:40:12 ens3 63.75 63.80 108.48 243.64 0.00 0.00 0.00 0.00 19:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.25 2.25 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 44.43 40.84 227.24 67.22 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-v1-8c-8g-17246) 09/01/26 _x86_64_ (4 CPU) 18:53:42 LINUX RESTART (4 CPU) 19:00:12 CPU %user %nice %system %iowait %steal %idle 19:10:12 all 9.31 0.00 0.56 0.09 0.00 90.03 19:10:12 0 8.51 0.00 0.66 0.08 0.00 90.74 19:10:12 1 10.27 0.00 0.60 0.18 0.00 88.95 19:10:12 2 9.02 0.00 0.57 0.05 0.01 90.36 19:10:12 3 9.45 0.00 0.42 0.06 0.01 90.06 19:20:12 all 16.07 0.00 0.96 0.13 0.01 82.83 19:20:12 0 14.95 0.00 0.96 0.20 0.01 83.88 19:20:12 1 14.84 0.00 0.63 0.10 0.01 84.42 19:20:12 2 15.61 0.00 0.99 0.15 0.01 83.25 19:20:12 3 18.87 0.00 1.28 0.06 0.01 79.77 19:30:12 all 8.33 0.00 0.51 0.09 0.01 91.06 19:30:12 0 7.91 0.00 0.52 0.15 0.01 91.42 19:30:12 1 8.66 0.00 0.47 0.17 0.01 90.69 19:30:12 2 8.01 0.00 0.44 0.06 0.01 91.48 19:30:12 3 8.75 0.00 0.61 0.01 0.00 90.63 19:40:12 all 11.25 0.00 0.89 0.08 0.01 87.78 19:40:12 0 12.30 0.00 0.88 0.11 0.01 86.70 19:40:12 1 11.39 0.00 0.84 0.03 0.01 87.73 19:40:12 2 10.70 0.00 1.11 0.03 0.01 88.15 19:40:12 3 10.59 0.00 0.71 0.14 0.01 88.55 Average: all 11.24 0.00 0.73 0.10 0.01 87.92 Average: 0 10.92 0.00 0.75 0.13 0.01 88.19 Average: 1 11.29 0.00 0.63 0.12 0.01 87.95 Average: 2 10.83 0.00 0.78 0.07 0.01 88.31 Average: 3 11.92 0.00 0.76 0.07 0.01 87.25