---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12032 5.15.0-153-generic #163-Ubuntu SMP Thu Aug 7 16:37:18 UTC 2025 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 disabled; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: 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 68G 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 626 10571 4 4791 15020 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:44:74:a4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.37/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84773sec preferred_lft 84773sec inet6 fe80::f816:3eff:fe44:74a4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:06:9e:63:cc:3b 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 5.15.0-153-generic (prd-ubuntu2204-docker-4c-4g-12032) 11/20/25 _x86_64_ (4 CPU) 00:25:47 LINUX RESTART (4 CPU) 00:30:24 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:21 6.03 0.53 5.12 0.38 340.98 876.34 235.63 00:50:23 18.06 0.53 16.07 1.45 19.22 2298.40 7609.17 Average: 12.07 0.53 10.62 0.92 179.45 1590.22 3937.16 00:30:24 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:21 8663184 11647000 4316124 26.36 110904 3042724 4532864 26.02 604480 6764276 148 00:50:23 9171692 12876480 3082228 18.82 134072 3701564 3315716 19.03 827144 6000600 269548 Average: 8917438 12261740 3699176 22.59 122488 3372144 3924290 22.53 715812 6382438 134848 00:30:24 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:21 lo 0.57 0.57 0.38 0.38 0.00 0.00 0.00 0.00 00:40:21 ens3 15.15 9.53 122.56 2.33 0.00 0.00 0.00 0.00 00:40:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:23 lo 479.09 479.09 456.33 456.33 0.00 0.00 0.00 0.00 00:50:23 ens3 40.26 28.09 409.35 5.07 0.00 0.00 0.00 0.00 00:50:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 240.79 240.79 229.27 229.27 0.00 0.00 0.00 0.00 Average: ens3 27.76 18.84 266.53 3.71 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 5.15.0-153-generic (prd-ubuntu2204-docker-4c-4g-12032) 11/20/25 _x86_64_ (4 CPU) 00:25:47 LINUX RESTART (4 CPU) 00:30:24 CPU %user %nice %system %iowait %steal %idle 00:40:21 all 45.78 0.00 0.67 0.34 0.08 53.14 00:40:21 0 49.74 0.00 0.50 0.52 0.08 49.16 00:40:21 1 45.91 0.00 0.86 0.07 0.07 53.09 00:40:21 2 39.44 0.00 0.67 0.17 0.08 59.64 00:40:21 3 48.02 0.00 0.63 0.60 0.08 50.68 00:50:23 all 56.02 0.00 1.31 0.15 0.08 42.43 00:50:23 0 47.01 0.00 1.17 0.18 0.08 51.55 00:50:23 1 68.65 0.00 1.31 0.11 0.09 29.84 00:50:23 2 47.34 0.00 1.49 0.23 0.08 50.86 00:50:23 3 61.07 0.00 1.27 0.08 0.08 37.49 Average: all 50.92 0.00 0.99 0.25 0.08 47.77 Average: 0 48.37 0.00 0.84 0.35 0.08 50.36 Average: 1 57.32 0.00 1.09 0.09 0.08 41.42 Average: 2 43.41 0.00 1.08 0.20 0.08 55.23 Average: 3 54.57 0.00 0.95 0.34 0.08 44.06