---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-52895 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 68G 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 660 10466 4 4862 14986 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:22:a5:7f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.150/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84832sec preferred_lft 84832sec inet6 fe80::f816:3eff:fe22:a57f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:fe:a6:44:00:1e 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-52895) 03/26/26 _x86_64_ (4 CPU) 00:17:06 LINUX RESTART (4 CPU) 00:20:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:07 27.43 13.83 12.45 1.15 260.64 3379.40 233.31 00:40:09 32.34 0.78 27.30 4.25 26.85 4328.77 12273.14 Average: 29.89 7.29 19.89 2.70 143.49 3855.11 6266.20 00:20:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:07 10255812 13834268 2123004 12.97 149872 3513608 2686024 15.42 676328 5020564 106012 00:40:09 10759656 15377940 572004 3.49 179040 4455484 1094676 6.28 951176 4148152 16 Average: 10507734 14606104 1347504 8.23 164456 3984546 1890350 10.85 813752 4584358 53014 00:20:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:07 lo 1.40 1.40 0.14 0.14 0.00 0.00 0.00 0.00 00:30:07 ens3 77.56 60.66 301.09 17.53 0.00 0.00 0.00 0.00 00:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:40:09 lo 1706.47 1706.47 1621.47 1621.47 0.00 0.00 0.00 0.00 00:40:09 ens3 103.91 85.84 409.66 97.87 0.00 0.00 0.00 0.00 00:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 855.77 855.77 812.55 812.55 0.00 0.00 0.00 0.00 Average: ens3 90.76 73.28 355.49 57.79 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-52895) 03/26/26 _x86_64_ (4 CPU) 00:17:06 LINUX RESTART (4 CPU) 00:20:07 CPU %user %nice %system %iowait %steal %idle 00:30:07 all 73.77 0.06 2.30 0.15 0.11 23.61 00:30:07 0 73.22 0.00 2.11 0.15 0.11 24.41 00:30:07 1 73.67 0.09 2.17 0.05 0.11 23.92 00:30:07 2 71.43 0.13 2.41 0.31 0.11 25.62 00:30:07 3 76.74 0.05 2.51 0.11 0.11 20.48 00:40:09 all 57.11 0.00 2.39 0.43 0.09 39.98 00:40:09 0 55.52 0.00 2.24 1.32 0.09 40.83 00:40:09 1 59.68 0.00 2.40 0.15 0.09 37.67 00:40:09 2 59.41 0.00 2.68 0.15 0.09 37.67 00:40:09 3 53.84 0.00 2.25 0.09 0.09 43.73 Average: all 65.42 0.03 2.35 0.29 0.10 31.81 Average: 0 64.35 0.00 2.18 0.73 0.10 32.64 Average: 1 66.66 0.04 2.29 0.10 0.10 30.81 Average: 2 65.41 0.06 2.54 0.23 0.10 31.66 Average: 3 65.25 0.02 2.38 0.10 0.10 32.14