---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26689 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 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 650 10444 4 4894 14996 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:1a:00:f2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.91/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84785sec preferred_lft 84785sec inet6 fe80::f816:3eff:fe1a:f2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:27:fb:2f:02:68 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-26689) 03/24/26 _x86_64_ (4 CPU) 22:34:30 LINUX RESTART (4 CPU) 22:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:50:18 3.80 0.07 3.56 0.17 6.89 612.00 433.63 23:00:00 19.00 0.53 16.96 1.52 19.53 2423.65 11911.13 Average: 11.18 0.29 10.06 0.83 13.03 1491.27 6004.14 22:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:50:18 9626300 12744844 3216860 19.65 116264 3162104 3407756 19.56 536552 5866332 844 23:00:00 10010372 13558324 2399552 14.66 136432 3544200 2503996 14.37 711784 5260072 10848 Average: 9818336 13151584 2808206 17.15 126348 3353152 2955876 16.97 624168 5563202 5846 22:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:50:18 lo 0.59 0.59 0.37 0.37 0.00 0.00 0.00 0.00 22:50:18 ens3 9.10 7.46 35.11 2.08 0.00 0.00 0.00 0.00 22:50:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:00:00 lo 445.20 445.20 423.88 423.88 0.00 0.00 0.00 0.00 23:00:00 ens3 41.68 31.20 420.90 4.13 0.00 0.00 0.00 0.00 23:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 216.38 216.38 205.92 205.92 0.00 0.00 0.00 0.00 Average: ens3 24.91 18.98 222.35 3.07 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-26689) 03/24/26 _x86_64_ (4 CPU) 22:34:30 LINUX RESTART (4 CPU) 22:40:00 CPU %user %nice %system %iowait %steal %idle 22:50:18 all 48.90 0.00 0.74 0.01 0.08 50.27 22:50:18 0 49.46 0.00 0.74 0.00 0.08 49.72 22:50:18 1 45.24 0.00 0.86 0.02 0.07 53.81 22:50:18 2 55.32 0.00 0.74 0.01 0.08 43.85 22:50:18 3 45.58 0.00 0.64 0.01 0.07 53.69 23:00:00 all 55.36 0.00 1.31 0.05 0.08 43.20 23:00:00 0 47.75 0.00 1.27 0.03 0.07 50.88 23:00:00 1 62.15 0.00 1.17 0.06 0.08 36.55 23:00:00 2 61.59 0.00 1.35 0.06 0.09 36.91 23:00:00 3 49.95 0.00 1.45 0.07 0.07 48.46 Average: all 52.03 0.00 1.02 0.03 0.08 46.84 Average: 0 48.63 0.00 1.00 0.01 0.08 50.28 Average: 1 53.43 0.00 1.01 0.04 0.08 45.44 Average: 2 58.36 0.00 1.03 0.03 0.09 40.48 Average: 3 47.70 0.00 1.03 0.04 0.07 51.15