---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-40765 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 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 639 10560 4 4788 15007 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:10:34:08 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.157/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84745sec preferred_lft 84745sec inet6 fe80::f816:3eff:fe10:3408/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:3e:4f:a1:f5:cd 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-40765) 03/25/26 _x86_64_ (4 CPU) 10:14:18 LINUX RESTART (4 CPU) 10:20:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:02 3.77 0.07 3.52 0.18 7.09 550.41 19.81 10:40:07 18.56 0.51 16.66 1.39 18.81 2373.01 3756.91 Average: 11.20 0.29 10.12 0.79 12.97 1465.42 1895.96 10:20:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:02 10389904 13398632 2564888 15.67 113416 3057336 2815752 16.16 499660 5148912 22696 10:40:07 9200612 12901092 3057508 18.67 133200 3692652 3217144 18.47 709904 6082656 266052 Average: 9795258 13149862 2811198 17.17 123308 3374994 3016448 17.31 604782 5615784 144374 10:20:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:02 lo 0.62 0.62 0.38 0.38 0.00 0.00 0.00 0.00 10:30:02 ens3 10.54 8.12 36.40 2.31 0.00 0.00 0.00 0.00 10:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:07 lo 486.12 486.12 463.31 463.31 0.00 0.00 0.00 0.00 10:40:07 ens3 35.50 26.99 404.77 3.68 0.00 0.00 0.00 0.00 10:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 244.35 244.35 232.78 232.78 0.00 0.00 0.00 0.00 Average: ens3 23.07 17.59 221.33 3.00 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-40765) 03/25/26 _x86_64_ (4 CPU) 10:14:18 LINUX RESTART (4 CPU) 10:20:02 CPU %user %nice %system %iowait %steal %idle 10:30:02 all 47.97 0.00 0.74 0.09 0.10 51.11 10:30:02 0 47.77 0.00 0.72 0.08 0.10 51.34 10:30:02 1 40.56 0.00 0.77 0.11 0.09 58.47 10:30:02 2 62.97 0.00 0.79 0.05 0.12 36.08 10:30:02 3 40.57 0.00 0.67 0.12 0.09 58.55 10:40:07 all 53.30 0.00 1.29 0.14 0.11 45.15 10:40:07 0 43.08 0.00 1.23 0.07 0.10 55.52 10:40:07 1 55.04 0.00 1.29 0.11 0.11 43.45 10:40:07 2 70.88 0.00 1.27 0.12 0.12 27.61 10:40:07 3 44.21 0.00 1.39 0.28 0.10 54.03 Average: all 50.64 0.00 1.02 0.12 0.10 48.12 Average: 0 45.42 0.00 0.98 0.07 0.10 53.43 Average: 1 47.82 0.00 1.03 0.11 0.10 50.94 Average: 2 66.94 0.00 1.03 0.08 0.12 31.83 Average: 3 42.40 0.00 1.03 0.20 0.09 56.28