---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20941 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 659 10362 4 4967 14987 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:a2:4e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.11/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84502sec preferred_lft 84502sec inet6 fe80::f816:3eff:fecc:a24e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:ff:e9:93:fe:36 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-20941) 02/26/26 _x86_64_ (4 CPU) 10:38:09 LINUX RESTART (4 CPU) 10:40:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:12 15.74 2.26 12.54 0.94 520.95 3400.68 6963.87 11:00:25 19.75 0.83 16.94 1.98 27.53 3523.22 7064.93 Average: 17.75 1.54 14.75 1.46 273.36 3462.17 7014.58 10:40:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:12 10751396 14081808 1879172 11.48 128176 3338188 2225448 12.77 681232 4578708 23368 11:00:25 9024060 13263300 2689020 16.42 166444 4128380 2796804 16.05 912248 5959448 13552 Average: 9887728 13672554 2284096 13.95 147310 3733284 2511126 14.41 796740 5269078 18460 10:40:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:12 lo 0.89 0.89 0.09 0.09 0.00 0.00 0.00 0.00 10:50:12 ens3 101.13 77.13 785.58 16.42 0.00 0.00 0.00 0.00 10:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:25 lo 1079.55 1079.55 1028.94 1028.94 0.00 0.00 0.00 0.00 11:00:25 ens3 80.57 59.89 356.72 15.45 0.00 0.00 0.00 0.00 11:00:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 542.14 542.14 516.34 516.34 0.00 0.00 0.00 0.00 Average: ens3 90.81 68.48 570.39 15.93 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-20941) 02/26/26 _x86_64_ (4 CPU) 10:38:09 LINUX RESTART (4 CPU) 10:40:03 CPU %user %nice %system %iowait %steal %idle 10:50:12 all 46.94 0.00 1.63 0.13 0.08 51.22 10:50:12 0 47.74 0.00 1.72 0.10 0.07 50.37 10:50:12 1 46.55 0.00 1.78 0.21 0.07 51.38 10:50:12 2 47.39 0.00 1.58 0.04 0.08 50.90 10:50:12 3 46.06 0.00 1.45 0.16 0.07 52.25 11:00:25 all 60.83 0.00 2.30 4.28 0.10 32.50 11:00:25 0 61.12 0.00 2.38 2.45 0.10 33.95 11:00:25 1 60.77 0.00 2.33 5.32 0.10 31.48 11:00:25 2 61.23 0.00 2.36 5.47 0.10 30.83 11:00:25 3 60.19 0.00 2.12 3.87 0.09 33.72 Average: all 53.90 0.00 1.97 2.21 0.09 41.83 Average: 0 54.46 0.00 2.05 1.28 0.09 42.13 Average: 1 53.68 0.00 2.06 2.78 0.09 41.40 Average: 2 54.33 0.00 1.98 2.77 0.09 40.83 Average: 3 53.14 0.00 1.79 2.02 0.08 42.96