---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-299561 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 625 10629 4 4733 15021 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:cc:ae:24 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.148/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84783sec preferred_lft 84783sec inet6 fe80::f816:3eff:fecc:ae24/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:5d:29:5f:6c: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-299561) 03/09/26 _x86_64_ (4 CPU) 00:25:22 LINUX RESTART (4 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:21 3.94 0.11 3.66 0.18 8.79 614.45 227.06 00:50:24 19.81 0.52 17.47 1.81 19.47 2580.09 12518.11 Average: 11.76 0.31 10.47 0.98 14.05 1583.37 6285.65 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:21 10826176 13772972 2191128 13.38 113852 2997008 2421612 13.90 502752 4700356 25584 00:50:24 10947744 15427908 529976 3.24 136796 4447468 1037124 5.95 876836 4119972 1068668 Average: 10886960 14600440 1360552 8.31 125324 3722238 1729368 9.93 689794 4410164 547126 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:21 lo 0.58 0.58 0.37 0.37 0.00 0.00 0.00 0.00 00:40:21 ens3 11.93 9.24 35.71 2.40 0.00 0.00 0.00 0.00 00:40:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:24 lo 471.29 471.29 449.12 449.12 0.00 0.00 0.00 0.00 00:50:24 ens3 56.82 39.90 482.15 7.07 0.00 0.00 0.00 0.00 00:50:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 232.60 232.60 221.57 221.57 0.00 0.00 0.00 0.00 Average: ens3 34.06 24.35 255.77 4.70 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-299561) 03/09/26 _x86_64_ (4 CPU) 00:25:22 LINUX RESTART (4 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:21 all 46.01 0.00 0.67 0.02 0.07 53.23 00:40:21 0 47.64 0.00 0.77 0.02 0.08 51.49 00:40:21 1 43.08 0.00 0.71 0.02 0.07 56.12 00:40:21 2 53.63 0.00 0.63 0.03 0.08 45.63 00:40:21 3 39.72 0.00 0.57 0.01 0.06 59.63 00:50:24 all 53.20 0.00 1.34 0.05 0.08 45.33 00:50:24 0 60.81 0.00 1.63 0.07 0.08 37.40 00:50:24 1 66.21 0.00 1.10 0.04 0.08 32.57 00:50:24 2 43.68 0.00 1.28 0.05 0.08 54.90 00:50:24 3 42.06 0.00 1.34 0.04 0.08 56.48 Average: all 49.55 0.00 1.00 0.03 0.08 49.34 Average: 0 54.13 0.00 1.20 0.04 0.08 44.55 Average: 1 54.47 0.00 0.91 0.03 0.08 44.52 Average: 2 48.73 0.00 0.95 0.04 0.08 50.19 Average: 3 40.87 0.00 0.95 0.03 0.07 58.08