---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1524 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 nrip_save 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 695 10252 4 5041 14951 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:b6:de:e9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.65/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84270sec preferred_lft 84270sec inet6 fe80::f816:3eff:feb6:dee9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:6b:26:cd:0d:cc 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-1524) 08/02/26 _x86_64_ (4 CPU) 11:54:24 LINUX RESTART (4 CPU) 12:00:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:10:15 8.50 1.92 6.34 0.25 124.10 1716.49 829.04 12:20:05 11.36 0.48 9.78 1.10 18.44 2248.60 3766.33 Average: 9.92 1.21 8.04 0.67 71.72 1980.26 2285.10 12:00:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:10:15 11064472 14104708 1858056 11.35 119160 3070012 2315780 13.29 493816 4465296 33476 12:20:05 9845844 13519472 2437376 14.89 149132 3611476 2979568 17.10 656800 5451940 19236 Average: 10455158 13812090 2147716 13.12 134146 3340744 2647674 15.20 575308 4958618 26356 12:00:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:10:15 lo 0.43 0.43 0.04 0.04 0.00 0.00 0.00 0.00 12:10:15 ens3 67.91 54.99 683.12 8.96 0.00 0.00 0.00 0.00 12:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:05 lo 1.46 1.46 0.14 0.14 0.00 0.00 0.00 0.00 12:20:05 ens3 65.43 53.90 104.79 18.35 0.00 0.00 0.00 0.00 12:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.94 0.94 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 66.68 54.45 396.43 13.61 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-1524) 08/02/26 _x86_64_ (4 CPU) 11:54:24 LINUX RESTART (4 CPU) 12:00:15 CPU %user %nice %system %iowait %steal %idle 12:10:15 all 22.12 0.00 0.70 0.04 0.05 77.10 12:10:15 0 22.46 0.00 0.66 0.01 0.04 76.83 12:10:15 1 21.26 0.00 0.63 0.07 0.05 77.99 12:10:15 2 22.55 0.00 0.83 0.02 0.05 76.56 12:10:15 3 22.20 0.00 0.67 0.06 0.04 77.03 12:20:05 all 72.16 0.00 2.29 0.03 0.12 25.40 12:20:05 0 71.59 0.00 2.39 0.03 0.12 25.87 12:20:05 1 71.63 0.00 2.22 0.03 0.12 26.00 12:20:05 2 71.37 0.00 2.13 0.02 0.11 26.36 12:20:05 3 74.06 0.00 2.41 0.03 0.12 23.38 Average: all 46.91 0.00 1.49 0.03 0.08 51.49 Average: 0 46.79 0.00 1.52 0.02 0.08 51.59 Average: 1 46.25 0.00 1.42 0.05 0.08 52.20 Average: 2 46.73 0.00 1.47 0.02 0.08 51.70 Average: 3 47.87 0.00 1.53 0.04 0.08 50.48