---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8014 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 633 10294 4 5061 15012 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:65:65:f0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.21/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84805sec preferred_lft 84805sec inet6 fe80::f816:3eff:fe65:65f0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:c7:cb:7e:0e:ac 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-8014) 09/13/26 _x86_64_ (4 CPU) 20:18:41 LINUX RESTART (4 CPU) 20:20:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:30:09 19.01 3.03 15.07 0.91 169.29 4130.57 1061.56 20:40:09 3.29 0.21 2.93 0.15 7.39 479.21 33.28 Average: 11.15 1.62 9.00 0.53 88.34 2304.89 547.42 20:20:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:30:09 9298260 12466756 3494508 21.34 116688 3209224 3773952 21.66 501056 6224100 336 20:40:09 10326000 13720760 2238784 13.67 124948 3409888 2467344 14.16 542892 5126948 86016 Average: 9812130 13093758 2866646 17.51 120818 3309556 3120648 17.91 521974 5675524 43176 20:20:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:30:09 lo 0.80 0.80 0.08 0.08 0.00 0.00 0.00 0.00 20:30:09 ens3 101.87 80.41 900.04 10.24 0.00 0.00 0.00 0.00 20:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:09 lo 0.79 0.79 0.39 0.39 0.00 0.00 0.00 0.00 20:40:09 ens3 20.46 16.16 145.62 2.56 0.00 0.00 0.00 0.00 20:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.80 0.80 0.23 0.23 0.00 0.00 0.00 0.00 Average: ens3 61.17 48.28 522.83 6.40 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-8014) 09/13/26 _x86_64_ (4 CPU) 20:18:41 LINUX RESTART (4 CPU) 20:20:09 CPU %user %nice %system %iowait %steal %idle 20:30:09 all 51.18 0.00 1.33 0.21 0.05 47.24 20:30:09 0 54.13 0.00 1.14 0.10 0.05 44.58 20:30:09 1 54.29 0.00 1.33 0.43 0.05 43.90 20:30:09 2 51.65 0.00 1.63 0.10 0.06 46.55 20:30:09 3 44.65 0.00 1.20 0.21 0.04 53.90 20:40:09 all 49.00 0.00 0.72 0.02 0.05 50.21 20:40:09 0 42.12 0.00 0.73 0.03 0.04 57.08 20:40:09 1 46.88 0.00 0.77 0.04 0.04 52.27 20:40:09 2 54.99 0.00 0.72 0.02 0.05 44.23 20:40:09 3 52.03 0.00 0.67 0.01 0.06 47.24 Average: all 50.09 0.00 1.02 0.12 0.05 48.72 Average: 0 48.12 0.00 0.93 0.06 0.05 50.84 Average: 1 50.58 0.00 1.05 0.23 0.04 48.09 Average: 2 53.33 0.00 1.17 0.06 0.05 45.39 Average: 3 48.34 0.00 0.93 0.11 0.05 50.57