---> uname -a: Linux prd-ubuntu2204-docker-v1-8c-8g-5935 5.15.0-198-generic #208-Ubuntu SMP Fri Sep 4 10:22:38 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: 5600.02 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 11G 67G 15% / 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 613 11745 4 3630 15032 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:2b:4c:31 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.135/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 82344sec preferred_lft 82344sec inet6 fe80::f816:3eff:fe2b:4c31/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:25:aa:64:c2:2b 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 5.15.0-198-generic (prd-ubuntu2204-docker-v1-8c-8g-5935) 10/28/26 _x86_64_ (4 CPU) 11:55:01 LINUX RESTART (4 CPU) 12:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:10:01 2.92 0.24 2.49 0.19 207.94 283.11 244.06 12:20:02 1.37 0.20 1.17 0.00 1.57 13.35 0.00 12:30:02 1.24 0.00 1.24 0.00 0.00 14.41 0.00 12:40:01 1.20 0.00 1.20 0.00 0.12 14.10 0.00 12:50:02 1.48 0.16 1.32 0.00 4.63 15.38 0.00 13:00:02 40.86 1.00 26.57 13.30 81.89 249.13 237334.96 Average: 8.18 0.27 5.67 2.25 49.31 98.19 39596.45 12:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:10:01 13591512 15490572 526448 3.22 56004 2070468 1168640 6.71 242648 2285260 216 12:20:02 13590824 15490796 526056 3.21 56780 2070476 1167728 6.70 243436 2284416 12 12:30:02 13578480 15478912 537924 3.29 57212 2070488 1167856 6.70 243860 2295028 188 12:40:01 13578736 15479588 537304 3.28 57508 2070600 1167856 6.70 244164 2295356 12 12:50:02 13569964 15473256 543144 3.32 57920 2072192 1171080 6.72 245876 2303936 204 13:00:02 13583196 15530752 484576 2.96 61056 2112484 1055664 6.06 261716 2287832 5336 Average: 13582119 15490646 525909 3.21 57747 2077785 1149804 6.60 246950 2291971 995 12:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:10:01 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 12:10:01 ens3 4.84 2.08 61.90 0.71 0.00 0.00 0.00 0.00 12:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:02 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 12:20:02 ens3 0.26 0.20 0.10 0.25 0.00 0.00 0.00 0.00 12:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:02 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 12:30:02 ens3 0.31 0.21 0.13 0.24 0.00 0.00 0.00 0.00 12:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 12:40:01 ens3 0.37 0.22 0.14 0.28 0.00 0.00 0.00 0.00 12:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:02 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 12:50:02 ens3 1.47 1.43 0.80 2.24 0.00 0.00 0.00 0.00 12:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:02 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 13:00:02 ens3 10.23 7.07 19.38 3.87 0.00 0.00 0.00 0.00 13:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 2.91 1.87 13.73 1.27 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 5.15.0-198-generic (prd-ubuntu2204-docker-v1-8c-8g-5935) 10/28/26 _x86_64_ (4 CPU) 11:55:01 LINUX RESTART (4 CPU) 12:00:02 CPU %user %nice %system %iowait %steal %idle 12:10:01 all 0.24 0.00 0.06 0.04 0.00 99.65 12:10:01 0 0.15 0.00 0.07 0.01 0.00 99.77 12:10:01 1 0.61 0.00 0.05 0.02 0.00 99.32 12:10:01 2 0.14 0.00 0.08 0.12 0.00 99.66 12:10:01 3 0.07 0.00 0.05 0.02 0.00 99.86 12:20:02 all 0.12 0.00 0.02 0.01 0.00 99.85 12:20:02 0 0.03 0.00 0.01 0.00 0.00 99.95 12:20:02 1 0.27 0.00 0.02 0.01 0.00 99.69 12:20:02 2 0.15 0.00 0.03 0.02 0.00 99.80 12:20:02 3 0.02 0.00 0.01 0.00 0.00 99.97 12:30:02 all 0.11 0.00 0.02 0.01 0.00 99.86 12:30:02 0 0.07 0.00 0.01 0.00 0.00 99.91 12:30:02 1 0.21 0.00 0.04 0.00 0.00 99.76 12:30:02 2 0.14 0.00 0.02 0.03 0.00 99.80 12:30:02 3 0.02 0.00 0.03 0.01 0.00 99.95 12:40:01 all 0.05 0.00 0.02 0.01 0.00 99.92 12:40:01 0 0.14 0.00 0.01 0.00 0.00 99.85 12:40:01 1 0.03 0.00 0.03 0.00 0.00 99.93 12:40:01 2 0.01 0.00 0.02 0.03 0.00 99.94 12:40:01 3 0.02 0.00 0.02 0.01 0.00 99.95 12:50:02 all 0.22 0.00 0.03 0.02 0.00 99.73 12:50:02 0 0.66 0.00 0.03 0.00 0.00 99.31 12:50:02 1 0.05 0.00 0.03 0.00 0.01 99.91 12:50:02 2 0.10 0.00 0.03 0.06 0.01 99.81 12:50:02 3 0.08 0.00 0.03 0.01 0.00 99.88 13:00:02 all 0.44 0.00 0.10 0.12 0.00 99.33 13:00:02 0 0.46 0.00 0.08 0.10 0.00 99.36 13:00:02 1 0.77 0.00 0.18 0.38 0.01 98.67 13:00:02 2 0.27 0.00 0.04 0.01 0.00 99.68 13:00:02 3 0.28 0.00 0.08 0.01 0.00 99.62 Average: all 0.20 0.00 0.04 0.04 0.00 99.72 Average: 0 0.25 0.00 0.04 0.02 0.00 99.69 Average: 1 0.32 0.00 0.06 0.07 0.00 99.55 Average: 2 0.13 0.00 0.04 0.04 0.00 99.78 Average: 3 0.08 0.00 0.04 0.01 0.00 99.87