---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4548 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 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 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 628 10276 4 5084 15018 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:38:73:7f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.223/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84721sec preferred_lft 84721sec inet6 fe80::f816:3eff:fe38:737f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:77:d9:df:37:05 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-4548) 01/26/26 _x86_64_ (4 CPU) 12:05:19 LINUX RESTART (4 CPU) 12:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:20:23 9.76 0.65 8.35 0.76 590.40 1628.70 11156.00 12:30:03 11.34 0.55 10.02 0.77 19.75 1794.96 3916.73 Average: 10.52 0.60 9.16 0.76 314.43 1709.11 7654.98 12:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:20:23 8261796 11539404 4422428 27.01 114192 3330820 4638508 26.62 709384 7065696 480 12:30:03 9925156 13635144 2322720 14.19 134560 3714212 2513576 14.43 878064 5186932 20220 Average: 9093476 12587274 3372574 20.60 124376 3522516 3576042 20.53 793724 6126314 10350 12:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:20:23 lo 0.67 0.67 0.37 0.37 0.00 0.00 0.00 0.00 12:20:23 ens3 28.33 20.29 335.07 3.05 0.00 0.00 0.00 0.00 12:20:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:03 lo 219.11 219.11 208.49 208.49 0.00 0.00 0.00 0.00 12:30:03 ens3 38.36 29.60 423.29 3.68 0.00 0.00 0.00 0.00 12:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 106.31 106.31 101.02 101.02 0.00 0.00 0.00 0.00 Average: ens3 33.18 24.79 377.73 3.35 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-4548) 01/26/26 _x86_64_ (4 CPU) 12:05:19 LINUX RESTART (4 CPU) 12:10:04 CPU %user %nice %system %iowait %steal %idle 12:20:23 all 48.59 0.00 0.96 0.17 0.09 50.20 12:20:23 0 37.26 0.00 1.27 0.19 0.09 61.19 12:20:23 1 45.75 0.00 0.72 0.16 0.08 53.29 12:20:23 2 59.03 0.00 1.03 0.27 0.09 39.58 12:20:23 3 52.34 0.00 0.80 0.05 0.08 46.73 12:30:03 all 49.44 0.00 0.97 0.12 0.09 49.38 12:30:03 0 53.10 0.00 0.96 0.07 0.09 45.78 12:30:03 1 46.11 0.00 1.08 0.11 0.08 52.62 12:30:03 2 40.63 0.00 1.02 0.25 0.08 58.02 12:30:03 3 57.91 0.00 0.83 0.06 0.09 41.10 Average: all 49.00 0.00 0.96 0.14 0.09 49.81 Average: 0 44.92 0.00 1.12 0.13 0.09 53.75 Average: 1 45.93 0.00 0.90 0.13 0.08 52.97 Average: 2 50.13 0.00 1.03 0.26 0.09 48.50 Average: 3 55.03 0.00 0.82 0.05 0.09 44.01