---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-49 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 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 646 9861 4 5481 14999 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:73:d0:38 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.106/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84097sec preferred_lft 84097sec inet6 fe80::f816:3eff:fe73:d038/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:29:5b:00:0a:9f 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-49) 09/04/26 _x86_64_ (4 CPU) 18:21:28 LINUX RESTART (4 CPU) 18:30:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:06 51.57 0.31 43.04 8.22 13.51 2716.22 153926.46 18:50:01 20.10 0.15 16.99 2.95 5.38 1647.11 30855.47 Average: 35.91 0.23 30.07 5.60 9.46 2184.22 92684.65 18:30:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:06 9556796 13060916 2897552 17.70 159416 3465500 3265404 18.74 681780 5748952 17020 18:50:01 9093816 13034444 2921168 17.84 175484 3857132 3302120 18.95 794044 6068144 103712 Average: 9325306 13047680 2909360 17.77 167450 3661316 3283762 18.85 737912 5908548 60366 18:30:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:06 lo 21.12 21.12 4.73 4.73 0.00 0.00 0.00 0.00 18:40:06 ens3 16.92 13.57 28.48 5.63 0.00 0.00 0.00 0.00 18:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 lo 1363.28 1363.28 1271.57 1271.57 0.00 0.00 0.00 0.00 18:50:01 ens3 39.69 31.77 254.49 6.45 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 689.00 689.00 635.12 635.12 0.00 0.00 0.00 0.00 Average: ens3 28.25 22.63 140.95 6.03 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-49) 09/04/26 _x86_64_ (4 CPU) 18:21:28 LINUX RESTART (4 CPU) 18:30:06 CPU %user %nice %system %iowait %steal %idle 18:40:06 all 35.79 0.00 1.55 0.49 0.02 62.15 18:40:06 0 35.56 0.00 1.80 0.54 0.02 62.08 18:40:06 1 36.99 0.00 1.51 0.43 0.02 61.05 18:40:06 2 35.57 0.00 1.52 0.47 0.02 62.41 18:40:06 3 35.02 0.00 1.37 0.53 0.02 63.06 18:50:01 all 25.32 0.00 1.74 0.08 0.01 72.84 18:50:01 0 24.25 0.00 1.79 0.10 0.01 73.84 18:50:01 1 25.92 0.00 1.91 0.09 0.01 72.07 18:50:01 2 25.81 0.00 1.65 0.04 0.01 72.48 18:50:01 3 25.31 0.00 1.59 0.10 0.01 72.99 Average: all 30.59 0.00 1.64 0.29 0.01 67.47 Average: 0 29.94 0.00 1.80 0.32 0.01 67.93 Average: 1 31.49 0.00 1.71 0.26 0.02 66.53 Average: 2 30.72 0.00 1.59 0.26 0.02 67.42 Average: 3 30.20 0.00 1.48 0.32 0.02 67.98