---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20705 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: 5599.86 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 611 10486 4 4891 15035 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:b3:ff:cf brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.22/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84792sec preferred_lft 84792sec inet6 fe80::f816:3eff:feb3:ffcf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:69:ff:bf:35:89 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-20705) 05/27/26 _x86_64_ (4 CPU) 09:53:51 LINUX RESTART (4 CPU) 10:00:42 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:25 3.56 0.07 3.33 0.16 6.91 557.63 19.28 10:20:24 26.51 0.83 23.11 2.57 33.10 6289.46 9033.34 Average: 15.20 0.45 13.36 1.39 20.19 3464.68 4591.01 10:00:42 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:25 9537208 12629576 3333416 20.36 115004 3132936 3588412 20.60 499280 5977964 88 10:20:24 10809176 15464596 491996 3.00 139856 4609068 1022988 5.87 890332 4224584 12228 Average: 10173192 14047086 1912706 11.68 127430 3871002 2305700 13.23 694806 5101274 6158 10:00:42 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:25 lo 0.59 0.59 0.38 0.38 0.00 0.00 0.00 0.00 10:10:25 ens3 8.63 8.08 36.39 2.21 0.00 0.00 0.00 0.00 10:10:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:24 lo 534.77 534.77 507.17 507.17 0.00 0.00 0.00 0.00 10:20:24 ens3 65.07 52.76 518.56 85.69 0.00 0.00 0.00 0.00 10:20:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 271.52 271.52 257.41 257.41 0.00 0.00 0.00 0.00 Average: ens3 37.26 30.74 280.94 44.55 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-20705) 05/27/26 _x86_64_ (4 CPU) 09:53:51 LINUX RESTART (4 CPU) 10:00:42 CPU %user %nice %system %iowait %steal %idle 10:10:25 all 51.02 0.00 0.77 0.04 0.08 48.09 10:10:25 0 42.86 0.00 0.77 0.01 0.08 56.28 10:10:25 1 42.14 0.00 0.68 0.09 0.08 57.01 10:10:25 2 54.44 0.00 0.68 0.03 0.08 44.76 10:10:25 3 64.65 0.00 0.94 0.02 0.08 34.31 10:20:24 all 54.48 0.00 1.58 0.14 0.08 43.71 10:20:24 0 48.83 0.00 1.65 0.20 0.08 49.24 10:20:24 1 67.71 0.00 1.70 0.13 0.09 30.37 10:20:24 2 50.94 0.00 1.55 0.17 0.09 47.25 10:20:24 3 50.46 0.00 1.43 0.06 0.08 47.97 Average: all 52.78 0.00 1.18 0.09 0.08 45.87 Average: 0 45.89 0.00 1.22 0.11 0.08 52.71 Average: 1 55.09 0.00 1.20 0.11 0.08 43.52 Average: 2 52.67 0.00 1.12 0.10 0.09 46.02 Average: 3 57.46 0.00 1.19 0.04 0.08 41.23