---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-63298 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: 5600.00 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 12G 66G 16% / 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 684 9098 4 6205 14961 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:17:68:c0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.33/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84736sec preferred_lft 84736sec inet6 fe80::f816:3eff:fe17:68c0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:a8:71:cc:8e:5a 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-4c-4g-63298) 10/10/26 _x86_64_ (4 CPU) 07:08:25 LINUX RESTART (4 CPU) 07:10:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:20:31 31.68 3.50 24.81 3.37 375.73 5179.88 28426.88 07:30:30 21.25 0.19 18.12 2.95 5.45 1689.87 31357.93 Average: 26.52 1.86 21.49 3.16 192.35 3451.49 29878.45 07:10:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:20:31 9318712 13016624 2941272 17.96 126732 3690872 3243244 18.62 721488 5941344 1096 07:30:30 9020416 13106552 2848088 17.39 147252 4030128 3024084 17.36 852404 6078068 23540 Average: 9169564 13061588 2894680 17.68 136992 3860500 3133664 17.99 786946 6009706 12318 07:10:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:20:31 lo 22.81 22.81 5.07 5.07 0.00 0.00 0.00 0.00 07:20:31 ens3 93.61 69.39 746.85 11.08 0.00 0.00 0.00 0.00 07:20:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:30 lo 1270.67 1270.67 1183.30 1183.30 0.00 0.00 0.00 0.00 07:30:30 ens3 41.93 29.05 269.10 6.86 0.00 0.00 0.00 0.00 07:30:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 640.80 640.80 588.58 588.58 0.00 0.00 0.00 0.00 Average: ens3 68.02 49.41 510.25 8.99 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-4c-4g-63298) 10/10/26 _x86_64_ (4 CPU) 07:08:25 LINUX RESTART (4 CPU) 07:10:20 CPU %user %nice %system %iowait %steal %idle 07:20:31 all 39.01 0.00 1.76 0.23 0.03 58.98 07:20:31 0 38.27 0.00 1.74 0.45 0.02 59.52 07:20:31 1 40.85 0.00 2.01 0.14 0.03 56.98 07:20:31 2 39.16 0.00 1.77 0.21 0.03 58.84 07:20:31 3 37.76 0.00 1.50 0.14 0.02 60.57 07:30:30 all 29.48 0.00 1.84 0.16 0.02 68.50 07:30:30 0 28.32 0.00 1.68 0.25 0.02 69.73 07:30:30 1 29.72 0.00 1.99 0.08 0.02 68.19 07:30:30 2 30.42 0.00 1.81 0.22 0.02 67.53 07:30:30 3 29.45 0.00 1.88 0.11 0.02 68.55 Average: all 34.29 0.00 1.80 0.20 0.02 63.69 Average: 0 33.34 0.00 1.71 0.35 0.02 64.58 Average: 1 35.34 0.00 2.00 0.11 0.03 62.53 Average: 2 34.83 0.00 1.79 0.21 0.02 63.14 Average: 3 33.64 0.00 1.69 0.12 0.02 64.52