---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3215 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: 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: 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 14% / 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 693 10520 4 4775 14952 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:28:fb:76 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.110/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84577sec preferred_lft 84577sec inet6 fe80::f816:3eff:fe28:fb76/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:72:ac:e0:91:16 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-4c-4g-3215) 09/08/26 _x86_64_ (4 CPU) 16:44:53 LINUX RESTART (4 CPU) 16:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:00:01 20.50 2.88 16.41 1.21 160.86 4488.93 1936.23 17:10:06 22.08 0.78 18.08 3.22 23.96 2693.76 12297.95 Average: 21.29 1.83 17.25 2.22 92.17 3588.16 7135.44 16:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:00:01 10466992 13936908 2021236 12.34 138396 3452784 2312708 13.27 574668 4935960 41884 17:10:06 10932084 15450188 501540 3.06 171448 4393448 1036012 5.95 879708 4080088 398376 Average: 10699538 14693548 1261388 7.70 154922 3923116 1674360 9.61 727188 4508024 220130 16:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:00:01 lo 1.26 1.26 0.13 0.13 0.00 0.00 0.00 0.00 17:00:01 ens3 93.75 78.66 679.02 14.81 0.00 0.00 0.00 0.00 17:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:06 lo 2058.39 2058.39 1963.47 1963.47 0.00 0.00 0.00 0.00 17:10:06 ens3 64.68 53.93 446.79 27.99 0.00 0.00 0.00 0.00 17:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1033.46 1033.46 985.28 985.28 0.00 0.00 0.00 0.00 Average: ens3 79.16 66.25 562.50 21.42 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-4c-4g-3215) 09/08/26 _x86_64_ (4 CPU) 16:44:53 LINUX RESTART (4 CPU) 16:50:01 CPU %user %nice %system %iowait %steal %idle 17:00:01 all 61.10 0.00 2.16 0.15 0.03 36.55 17:00:01 0 60.53 0.00 2.19 0.21 0.03 37.04 17:00:01 1 62.63 0.00 2.21 0.15 0.03 34.98 17:00:01 2 59.89 0.00 2.18 0.06 0.03 37.84 17:00:01 3 61.36 0.00 2.06 0.19 0.03 36.36 17:10:06 all 60.61 0.00 2.80 0.09 0.02 36.48 17:10:06 0 58.35 0.00 2.74 0.05 0.02 38.84 17:10:06 1 59.75 0.00 2.81 0.17 0.02 37.25 17:10:06 2 62.08 0.00 3.11 0.10 0.02 34.69 17:10:06 3 62.25 0.00 2.52 0.06 0.03 35.14 Average: all 60.85 0.00 2.48 0.12 0.03 36.52 Average: 0 59.44 0.00 2.47 0.13 0.03 37.94 Average: 1 61.19 0.00 2.51 0.16 0.02 36.12 Average: 2 60.99 0.00 2.65 0.08 0.03 36.26 Average: 3 61.81 0.00 2.29 0.13 0.03 35.75