---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-444631 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: 5600.00 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 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 671 9322 4 5995 14975 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:1f:fd:59 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.181/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84720sec preferred_lft 84720sec inet6 fe80::f816:3eff:fe1f:fd59/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:6a:5a:e5:d7:bb 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-444631) 03/11/26 _x86_64_ (4 CPU) 17:17:07 LINUX RESTART (4 CPU) 17:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:30:00 26.43 1.05 21.58 3.79 428.62 3101.25 53169.87 17:40:01 23.39 0.15 19.89 3.34 4.65 1669.09 33103.99 Average: 24.90 0.60 20.73 3.57 216.53 2384.82 43132.09 17:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:30:00 9524244 13135112 2823008 17.24 130580 3602936 3060756 17.57 794032 5672884 24 17:40:01 8518164 12645512 3309200 20.21 149112 4070344 3343616 19.19 949116 6468004 185780 Average: 9021204 12890312 3066104 18.73 139846 3836640 3202186 18.38 871574 6070444 92902 17:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:30:00 lo 32.00 32.00 7.52 7.52 0.00 0.00 0.00 0.00 17:30:00 ens3 28.81 21.49 249.08 4.93 0.00 0.00 0.00 0.00 17:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:40:01 lo 1450.03 1450.03 1357.94 1357.94 0.00 0.00 0.00 0.00 17:40:01 ens3 34.91 25.78 260.27 5.47 0.00 0.00 0.00 0.00 17:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 741.36 741.36 683.05 683.05 0.00 0.00 0.00 0.00 Average: ens3 31.86 23.64 254.68 5.20 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-444631) 03/11/26 _x86_64_ (4 CPU) 17:17:07 LINUX RESTART (4 CPU) 17:20:00 CPU %user %nice %system %iowait %steal %idle 17:30:00 all 33.02 0.00 1.27 0.29 0.09 65.33 17:30:00 0 33.42 0.00 1.40 0.46 0.09 64.63 17:30:00 1 33.83 0.00 1.34 0.15 0.09 64.59 17:30:00 2 31.97 0.00 1.09 0.38 0.10 66.47 17:30:00 3 32.87 0.00 1.24 0.18 0.09 65.61 17:40:01 all 33.55 0.00 1.69 0.38 0.09 64.28 17:40:01 0 33.42 0.00 1.70 0.28 0.09 64.50 17:40:01 1 33.63 0.00 1.69 0.29 0.09 64.29 17:40:01 2 32.94 0.00 1.41 0.21 0.09 65.35 17:40:01 3 34.19 0.00 1.98 0.74 0.10 63.00 Average: all 33.28 0.00 1.48 0.34 0.09 64.81 Average: 0 33.42 0.00 1.55 0.37 0.09 64.57 Average: 1 33.73 0.00 1.52 0.22 0.09 64.44 Average: 2 32.45 0.00 1.25 0.30 0.09 65.91 Average: 3 33.53 0.00 1.61 0.46 0.10 64.30