---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-444735 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 66G 16% / 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 656 8688 4 6645 14990 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:01:af:b3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.44/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84606sec preferred_lft 84606sec inet6 fe80::f816:3eff:fe01:afb3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:98:29:04:8e:34 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-444735) 03/11/26 _x86_64_ (4 CPU) 17:33:09 LINUX RESTART (4 CPU) 17:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:50:00 27.53 0.03 24.39 3.12 0.37 2182.10 25073.67 18:00:40 19.89 0.02 18.13 1.74 0.34 3905.08 16295.04 Average: 23.59 0.03 21.16 2.40 0.35 3071.89 20540.16 17:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:50:00 9412016 13233052 2723696 16.64 146904 3785440 2740780 15.73 866328 5685812 27500 18:00:40 5624844 10433208 5519156 33.71 163504 4714292 5245132 30.11 1150096 9132012 24 Average: 7518430 11833130 4121426 25.17 155204 4249866 3992956 22.92 1008212 7408912 13762 17:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:50:00 lo 1694.87 1694.87 1610.47 1610.47 0.00 0.00 0.00 0.00 17:50:00 ens3 28.56 22.75 11.89 6.87 0.00 0.00 0.00 0.00 17:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:40 lo 888.69 888.69 6857.57 6857.57 0.00 0.00 0.00 0.00 18:00:40 ens3 20.56 16.62 20.83 5.37 0.00 0.00 0.00 0.00 18:00:40 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1278.54 1278.54 4320.21 4320.21 0.00 0.00 0.00 0.00 Average: ens3 24.43 19.59 16.51 6.09 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-444735) 03/11/26 _x86_64_ (4 CPU) 17:33:09 LINUX RESTART (4 CPU) 17:40:00 CPU %user %nice %system %iowait %steal %idle 17:50:00 all 67.12 0.00 2.42 0.05 0.08 30.33 17:50:00 0 66.86 0.00 2.13 0.05 0.08 30.87 17:50:00 1 66.89 0.00 2.27 0.06 0.09 30.69 17:50:00 2 66.48 0.00 2.53 0.07 0.09 30.83 17:50:00 3 68.23 0.00 2.75 0.03 0.09 28.90 18:00:40 all 52.34 0.00 1.81 0.08 0.08 45.70 18:00:40 0 53.02 0.00 1.66 0.16 0.08 45.08 18:00:40 1 48.82 0.00 1.85 0.06 0.08 49.19 18:00:40 2 52.63 0.00 1.94 0.03 0.08 45.31 18:00:40 3 54.90 0.00 1.77 0.05 0.08 43.20 Average: all 59.48 0.00 2.10 0.06 0.08 38.27 Average: 0 59.71 0.00 1.89 0.11 0.08 38.22 Average: 1 57.55 0.00 2.06 0.06 0.08 40.25 Average: 2 59.32 0.00 2.23 0.05 0.08 38.31 Average: 3 61.35 0.00 2.24 0.04 0.08 36.29