---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26233 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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: 5599.99 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 12G 67G 15% / 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 662 9603 4 5723 14984 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:e5:34:e3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.74/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84718sec preferred_lft 84718sec inet6 fe80::f816:3eff:fee5:34e3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:c4:d6:d8:14:1e 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-26233) 03/04/26 _x86_64_ (4 CPU) 08:16:09 LINUX RESTART (4 CPU) 08:20:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:19 16.84 0.09 13.62 3.12 3.64 1044.80 21065.32 08:40:14 25.65 0.16 21.72 3.77 4.86 2001.12 26675.02 Average: 21.20 0.13 17.63 3.45 4.24 1518.37 23843.24 08:20:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:19 9783424 13115980 2843492 17.37 126616 3333516 3110016 17.85 663300 5533468 940 08:40:14 8793132 13064816 2890172 17.65 146900 4209628 2936948 16.86 1003688 6139672 533696 Average: 9288278 13090398 2866832 17.51 136758 3771572 3023482 17.35 833494 5836570 267318 08:20:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:19 lo 35.13 35.13 8.39 8.39 0.00 0.00 0.00 0.00 08:30:19 ens3 12.08 9.94 12.40 2.69 0.00 0.00 0.00 0.00 08:30:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:14 lo 1591.75 1591.75 1496.48 1496.48 0.00 0.00 0.00 0.00 08:40:14 ens3 47.71 35.57 339.39 6.84 0.00 0.00 0.00 0.00 08:40:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 805.97 805.97 745.29 745.29 0.00 0.00 0.00 0.00 Average: ens3 29.73 22.63 174.32 4.75 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-26233) 03/04/26 _x86_64_ (4 CPU) 08:16:09 LINUX RESTART (4 CPU) 08:20:13 CPU %user %nice %system %iowait %steal %idle 08:30:19 all 25.32 0.00 0.96 0.13 0.08 73.51 08:30:19 0 26.72 0.00 1.05 0.17 0.08 71.99 08:30:19 1 24.89 0.00 0.79 0.06 0.08 74.18 08:30:19 2 25.25 0.00 1.04 0.17 0.09 73.46 08:30:19 3 24.41 0.00 0.95 0.14 0.08 74.41 08:40:14 all 39.50 0.00 1.87 0.07 0.09 58.46 08:40:14 0 39.18 0.00 2.05 0.04 0.09 58.63 08:40:14 1 39.66 0.00 1.71 0.14 0.10 58.40 08:40:14 2 39.67 0.00 2.18 0.05 0.09 58.00 08:40:14 3 39.50 0.00 1.55 0.04 0.09 58.82 Average: all 32.34 0.00 1.41 0.10 0.09 66.06 Average: 0 32.89 0.00 1.54 0.11 0.09 65.37 Average: 1 32.20 0.00 1.24 0.10 0.09 66.37 Average: 2 32.39 0.00 1.61 0.11 0.09 65.81 Average: 3 31.88 0.00 1.25 0.09 0.09 66.70