---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-14921 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 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 610 10400 4 4978 15036 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:53:b4:d4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.61/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84856sec preferred_lft 84856sec inet6 fe80::f816:3eff:fe53:b4d4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:c3:a0:24:31:e4 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-14921) 12/19/25 _x86_64_ (4 CPU) 00:25:05 LINUX RESTART (4 CPU) 00:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:01 9.08 0.64 7.75 0.69 616.59 1448.83 6851.06 00:50:02 24.00 0.64 21.23 2.13 25.29 6075.09 8459.29 Average: 16.55 0.64 14.50 1.41 320.45 3765.81 7656.51 00:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:01 9552988 12757284 3205052 19.58 114032 3256068 3471796 19.93 678516 5795192 764 00:50:02 10648132 15387292 567996 3.47 135360 4711572 1114548 6.40 1052600 4269528 13772 Average: 10100560 14072288 1886524 11.52 124696 3983820 2293172 13.16 865558 5032360 7268 00:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:01 lo 0.68 0.68 0.39 0.39 0.00 0.00 0.00 0.00 00:40:01 ens3 24.33 15.69 314.18 2.87 0.00 0.00 0.00 0.00 00:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:02 lo 476.04 476.04 451.37 451.37 0.00 0.00 0.00 0.00 00:50:02 ens3 57.65 44.94 502.55 68.13 0.00 0.00 0.00 0.00 00:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 238.76 238.76 226.26 226.26 0.00 0.00 0.00 0.00 Average: ens3 41.02 30.34 408.52 35.55 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-14921) 12/19/25 _x86_64_ (4 CPU) 00:25:05 LINUX RESTART (4 CPU) 00:30:02 CPU %user %nice %system %iowait %steal %idle 00:40:01 all 48.31 0.00 0.96 0.33 0.10 50.31 00:40:01 0 43.80 0.00 0.81 0.16 0.09 55.13 00:40:01 1 61.53 0.00 1.27 0.16 0.10 36.95 00:40:01 2 38.13 0.00 0.71 0.47 0.11 60.58 00:40:01 3 49.77 0.00 1.05 0.52 0.10 48.57 00:50:02 all 49.04 0.00 1.43 0.27 0.10 49.16 00:50:02 0 40.61 0.00 1.44 0.12 0.10 57.73 00:50:02 1 74.18 0.00 1.34 0.08 0.11 24.28 00:50:02 2 41.94 0.00 1.39 0.45 0.10 56.13 00:50:02 3 39.41 0.00 1.54 0.43 0.09 58.53 Average: all 48.67 0.00 1.19 0.30 0.10 49.73 Average: 0 42.20 0.00 1.13 0.14 0.10 56.44 Average: 1 67.87 0.00 1.31 0.12 0.11 30.60 Average: 2 40.04 0.00 1.05 0.46 0.10 58.35 Average: 3 44.57 0.00 1.29 0.48 0.10 53.56