---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5954 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 13G 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 655 8608 4 6725 14991 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:66:98:db brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.217/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84565sec preferred_lft 84565sec inet6 fe80::f816:3eff:fe66:98db/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:df:39:a5:c3:0f 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-5954) 03/19/26 _x86_64_ (4 CPU) 08:18:37 LINUX RESTART (4 CPU) 08:20:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:26 56.98 4.11 36.84 16.03 576.61 5623.86 255001.23 08:40:27 33.00 0.01 29.60 3.38 0.19 2589.43 37543.01 Average: 45.18 2.09 33.28 9.81 292.95 4130.64 147991.70 08:20:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:26 9281336 12983484 2974500 18.17 136664 3689268 3330476 19.12 811376 5892440 12984 08:40:27 8904780 13045156 2909044 17.77 160120 4070784 3116644 17.89 934788 6105888 34196 Average: 9093058 13014320 2941772 17.97 148392 3880026 3223560 18.50 873082 5999164 23590 08:20:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:26 lo 1470.26 1470.26 1395.36 1395.36 0.00 0.00 0.00 0.00 08:30:26 ens3 120.76 90.67 1088.70 16.38 0.00 0.00 0.00 0.00 08:30:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:27 lo 1502.14 1502.14 1431.27 1431.27 0.00 0.00 0.00 0.00 08:40:27 ens3 25.99 21.92 40.87 6.42 0.00 0.00 0.00 0.00 08:40:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1485.95 1485.95 1413.03 1413.03 0.00 0.00 0.00 0.00 Average: ens3 74.12 56.83 573.07 11.48 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-5954) 03/19/26 _x86_64_ (4 CPU) 08:18:37 LINUX RESTART (4 CPU) 08:20:07 CPU %user %nice %system %iowait %steal %idle 08:30:26 all 69.81 0.00 2.57 0.17 0.09 27.36 08:30:26 0 68.49 0.00 2.27 0.09 0.09 29.05 08:30:26 1 69.46 0.00 2.76 0.28 0.09 27.41 08:30:26 2 69.44 0.00 2.34 0.19 0.09 27.94 08:30:26 3 71.85 0.00 2.91 0.13 0.10 25.02 08:40:27 all 64.19 0.00 2.46 0.12 0.09 33.14 08:40:27 0 65.07 0.00 2.42 0.10 0.09 32.32 08:40:27 1 61.77 0.00 2.44 0.10 0.09 35.60 08:40:27 2 63.87 0.00 2.58 0.08 0.10 33.37 08:40:27 3 66.06 0.00 2.38 0.20 0.10 31.26 Average: all 67.05 0.00 2.51 0.15 0.09 30.20 Average: 0 66.81 0.00 2.35 0.09 0.09 30.66 Average: 1 65.68 0.00 2.60 0.19 0.09 31.44 Average: 2 66.70 0.00 2.46 0.14 0.09 30.61 Average: 3 69.00 0.00 2.65 0.17 0.10 28.09