---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-18662 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 UTC 2025 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 616 10397 4 4974 15029 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:c8:aa:7d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.205/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84695sec preferred_lft 84695sec inet6 fe80::f816:3eff:fec8:aa7d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:cf:e1:ae:7b:ad 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-18662) 01/06/26 _x86_64_ (4 CPU) 00:26:16 LINUX RESTART (4 CPU) 00:30:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:07 20.21 0.64 6.55 13.02 615.56 1270.11 248727.73 00:50:07 10.22 0.54 9.15 0.53 19.50 1651.21 1276.58 Average: 15.22 0.59 7.85 6.78 317.91 1460.41 125161.80 00:30:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:07 8197860 11363044 4599692 28.09 112740 3220252 4850500 27.84 692796 7140412 1680 00:50:07 9110556 12968716 2989872 18.26 130704 3857640 3092176 17.75 876896 5993924 264832 Average: 8654208 12165880 3794782 23.18 121722 3538946 3971338 22.80 784846 6567168 133256 00:30:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:07 lo 0.61 0.61 0.38 0.38 0.00 0.00 0.00 0.00 00:40:07 ens3 21.35 13.95 221.12 3.06 0.00 0.00 0.00 0.00 00:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:07 lo 195.57 195.57 186.06 186.06 0.00 0.00 0.00 0.00 00:50:07 ens3 36.11 27.23 409.95 4.56 0.00 0.00 0.00 0.00 00:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 97.97 97.97 93.10 93.10 0.00 0.00 0.00 0.00 Average: ens3 28.72 20.58 315.42 3.81 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-18662) 01/06/26 _x86_64_ (4 CPU) 00:26:16 LINUX RESTART (4 CPU) 00:30:06 CPU %user %nice %system %iowait %steal %idle 00:40:07 all 48.26 0.00 0.86 0.09 0.08 50.70 00:40:07 0 52.14 0.00 0.86 0.10 0.08 46.81 00:40:07 1 42.19 0.00 0.81 0.09 0.08 56.83 00:40:07 2 46.63 0.00 0.81 0.14 0.08 52.35 00:40:07 3 52.12 0.00 0.95 0.04 0.08 46.80 00:50:07 all 57.30 0.00 0.96 0.03 0.08 41.63 00:50:07 0 51.37 0.00 0.97 0.02 0.07 47.57 00:50:07 1 56.34 0.00 1.02 0.03 0.07 42.54 00:50:07 2 48.14 0.00 0.88 0.03 0.08 50.88 00:50:07 3 73.34 0.00 0.98 0.05 0.09 25.53 Average: all 52.78 0.00 0.91 0.06 0.08 46.17 Average: 0 51.76 0.00 0.91 0.06 0.08 47.19 Average: 1 49.25 0.00 0.92 0.06 0.08 49.70 Average: 2 47.39 0.00 0.84 0.08 0.08 51.61 Average: 3 62.73 0.00 0.97 0.05 0.09 36.17