---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53184 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 623 10577 4 4788 15023 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:4b:c3:57 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.221/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84792sec preferred_lft 84792sec inet6 fe80::f816:3eff:fe4b:c357/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:92:f0:a7:7a:ca 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-53184) 03/26/26 _x86_64_ (4 CPU) 14:17:45 LINUX RESTART (4 CPU) 14:20:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:30:17 8.58 1.67 6.72 0.20 119.87 2116.84 241.35 14:40:17 4.06 0.29 3.62 0.14 9.83 541.10 99.35 Average: 6.33 0.98 5.17 0.17 65.00 1331.21 170.55 14:20:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:30:17 9212000 12176148 3787440 23.13 111876 3018688 3991584 22.91 490456 6331380 6120 14:40:17 10143652 13601092 2360072 14.41 124960 3469212 2819720 16.19 542792 5292032 331164 Average: 9677826 12888620 3073756 18.77 118418 3243950 3405652 19.55 516624 5811706 168642 14:20:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:30:17 lo 0.64 0.64 0.38 0.38 0.00 0.00 0.00 0.00 14:30:17 ens3 23.47 19.60 222.58 3.98 0.00 0.00 0.00 0.00 14:30:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:17 lo 24.74 24.74 23.20 23.20 0.00 0.00 0.00 0.00 14:40:17 ens3 33.88 23.72 408.48 3.41 0.00 0.00 0.00 0.00 14:40:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 12.66 12.66 11.76 11.76 0.00 0.00 0.00 0.00 Average: ens3 28.66 21.66 315.26 3.70 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-53184) 03/26/26 _x86_64_ (4 CPU) 14:17:45 LINUX RESTART (4 CPU) 14:20:13 CPU %user %nice %system %iowait %steal %idle 14:30:17 all 53.25 0.00 0.92 0.06 0.11 45.67 14:30:17 0 48.30 0.00 0.99 0.07 0.11 50.54 14:30:17 1 53.68 0.00 0.89 0.04 0.11 45.29 14:30:17 2 46.23 0.00 0.72 0.08 0.10 52.87 14:30:17 3 64.80 0.00 1.08 0.04 0.11 33.96 14:40:17 all 50.48 0.00 0.66 0.02 0.10 48.73 14:40:17 0 37.26 0.00 0.60 0.03 0.10 62.01 14:40:17 1 69.77 0.00 0.66 0.02 0.11 29.43 14:40:17 2 51.46 0.00 0.79 0.04 0.11 47.59 14:40:17 3 43.49 0.00 0.60 0.00 0.09 55.81 Average: all 51.87 0.00 0.79 0.04 0.11 47.20 Average: 0 42.79 0.00 0.79 0.05 0.10 56.27 Average: 1 61.70 0.00 0.77 0.03 0.11 37.39 Average: 2 48.84 0.00 0.75 0.06 0.11 50.24 Average: 3 54.15 0.00 0.84 0.02 0.10 44.89