---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15126 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 641 10354 4 4993 15005 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:78:37:ba brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.167/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84784sec preferred_lft 84784sec inet6 fe80::f816:3eff:fe78:37ba/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:03:70:cb:94:5a 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-15126) 02/19/26 _x86_64_ (4 CPU) 10:04:24 LINUX RESTART (4 CPU) 10:10:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:23 3.61 0.07 3.37 0.17 6.74 590.06 27.23 10:30:21 19.85 0.54 17.76 1.55 19.58 2496.12 14829.92 Average: 11.57 0.30 10.42 0.85 13.04 1524.88 7287.13 10:10:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:23 9376520 12597988 3363232 20.54 118288 3261488 3577484 20.53 630472 6022920 228 10:30:21 8835244 13590672 2364060 14.44 142008 4712680 2527404 14.51 999692 6110540 1064936 Average: 9105882 13094330 2863646 17.49 130148 3987084 3052444 17.52 815082 6066730 532582 10:10:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:23 lo 0.59 0.59 0.36 0.36 0.00 0.00 0.00 0.00 10:20:23 ens3 9.86 7.65 35.21 2.49 0.00 0.00 0.00 0.00 10:20:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:21 lo 527.05 527.05 502.13 502.13 0.00 0.00 0.00 0.00 10:30:21 ens3 45.32 32.01 484.47 5.57 0.00 0.00 0.00 0.00 10:30:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 258.79 258.79 246.45 246.45 0.00 0.00 0.00 0.00 Average: ens3 27.25 19.60 255.55 4.00 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-15126) 02/19/26 _x86_64_ (4 CPU) 10:04:24 LINUX RESTART (4 CPU) 10:10:03 CPU %user %nice %system %iowait %steal %idle 10:20:23 all 50.25 0.00 0.69 0.04 0.10 48.92 10:20:23 0 46.50 0.00 0.79 0.03 0.09 52.59 10:20:23 1 45.99 0.00 0.63 0.03 0.10 53.25 10:20:23 2 61.81 0.00 0.67 0.02 0.10 37.40 10:20:23 3 46.71 0.00 0.68 0.07 0.09 52.45 10:30:21 all 56.88 0.00 1.44 0.13 0.10 41.45 10:30:21 0 47.69 0.00 1.19 0.16 0.10 50.87 10:30:21 1 48.24 0.00 1.55 0.15 0.09 49.98 10:30:21 2 82.36 0.00 1.58 0.08 0.12 15.86 10:30:21 3 49.27 0.00 1.45 0.13 0.10 49.06 Average: all 53.50 0.00 1.06 0.08 0.10 45.26 Average: 0 47.08 0.00 0.98 0.09 0.10 51.75 Average: 1 47.09 0.00 1.08 0.09 0.09 51.65 Average: 2 71.88 0.00 1.12 0.05 0.11 26.85 Average: 3 47.96 0.00 1.05 0.10 0.10 50.79