---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5446 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 12G 67G 15% / 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 759 9505 4 5725 14886 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:c3:c1:3e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.93/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84336sec preferred_lft 84336sec inet6 fe80::f816:3eff:fec3:c13e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:95:f8:55:86:ac 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-5446) 09/08/26 _x86_64_ (4 CPU) 17:30:09 LINUX RESTART (4 CPU) 17:40:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:50:11 34.43 0.33 28.05 6.05 10.33 3409.35 20282.91 18:00:11 43.70 0.00 35.52 8.19 0.01 2748.16 25015.47 Average: 39.07 0.17 31.78 7.12 5.17 3078.75 22649.19 17:40:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:50:11 9266476 13397880 2554596 15.60 174252 4030672 2728804 15.66 784596 5882252 38508 18:00:11 8529852 13195008 2753240 16.82 210236 4478748 2863148 16.43 900972 6436732 130332 Average: 8898164 13296444 2653918 16.21 192244 4254710 2795976 16.05 842784 6159492 84420 17:40:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:50:11 lo 3024.74 3024.74 2884.11 2884.11 0.00 0.00 0.00 0.00 17:50:11 ens3 52.11 46.20 315.07 12.29 0.00 0.00 0.00 0.00 17:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:11 lo 5167.20 5167.20 4927.19 4927.19 0.00 0.00 0.00 0.00 18:00:11 ens3 25.36 25.29 10.45 9.62 0.00 0.00 0.00 0.00 18:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 4095.97 4095.97 3905.65 3905.65 0.00 0.00 0.00 0.00 Average: ens3 38.73 35.74 162.76 10.95 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-5446) 09/08/26 _x86_64_ (4 CPU) 17:30:09 LINUX RESTART (4 CPU) 17:40:11 CPU %user %nice %system %iowait %steal %idle 17:50:11 all 56.39 0.00 3.32 0.11 0.03 40.14 17:50:11 0 54.16 0.00 3.04 0.13 0.03 42.64 17:50:11 1 57.72 0.00 3.49 0.12 0.03 38.64 17:50:11 2 56.39 0.00 3.35 0.06 0.03 40.17 17:50:11 3 57.29 0.00 3.41 0.14 0.03 39.12 18:00:11 all 59.09 0.00 4.17 0.11 0.03 36.60 18:00:11 0 57.86 0.00 3.70 0.19 0.03 38.21 18:00:11 1 59.52 0.00 4.34 0.06 0.03 36.06 18:00:11 2 60.47 0.00 4.57 0.09 0.04 34.83 18:00:11 3 58.50 0.00 4.09 0.09 0.03 37.29 Average: all 57.74 0.00 3.75 0.11 0.03 38.37 Average: 0 56.01 0.00 3.37 0.16 0.03 40.42 Average: 1 58.62 0.00 3.91 0.09 0.03 37.35 Average: 2 58.43 0.00 3.96 0.08 0.03 37.50 Average: 3 57.89 0.00 3.75 0.12 0.03 38.21