---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3196 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 11G 68G 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 706 10563 4 4719 14939 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:20:1b:6c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.161/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84688sec preferred_lft 84688sec inet6 fe80::f816:3eff:fe20:1b6c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:93:d2:49:c7:53 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-3196) 09/08/26 _x86_64_ (4 CPU) 16:44:11 LINUX RESTART (4 CPU) 16:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:00:13 9.18 0.37 8.05 0.76 17.37 2452.67 1028.82 17:10:13 22.87 0.79 18.95 3.12 24.12 3724.31 5475.73 Average: 15.96 0.58 13.45 1.93 20.71 3082.46 3231.19 16:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:00:13 10291808 13769060 2189256 13.37 135048 3458284 2666552 15.31 582384 5110208 14028 17:10:13 10940732 15399284 553464 3.38 168244 4339188 1076948 6.18 875580 4080300 24 Average: 10616270 14584172 1371360 8.38 151646 3898736 1871750 10.74 728982 4595254 7026 16:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:00:13 lo 1.31 1.31 0.13 0.13 0.00 0.00 0.00 0.00 17:00:13 ens3 31.77 29.12 98.49 9.91 0.00 0.00 0.00 0.00 17:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:13 lo 1653.98 1653.98 1577.17 1577.17 0.00 0.00 0.00 0.00 17:10:13 ens3 66.99 56.38 450.64 36.59 0.00 0.00 0.00 0.00 17:10:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 819.81 819.81 781.17 781.17 0.00 0.00 0.00 0.00 Average: ens3 49.21 42.62 272.89 23.12 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-3196) 09/08/26 _x86_64_ (4 CPU) 16:44:11 LINUX RESTART (4 CPU) 16:50:01 CPU %user %nice %system %iowait %steal %idle 17:00:13 all 64.78 0.00 2.09 0.03 0.03 33.07 17:00:13 0 62.92 0.00 1.96 0.02 0.03 35.06 17:00:13 1 66.39 0.00 2.24 0.03 0.03 31.31 17:00:13 2 64.41 0.00 2.03 0.03 0.03 33.49 17:00:13 3 65.42 0.00 2.12 0.04 0.03 32.40 17:10:13 all 56.39 0.00 2.54 0.10 0.02 40.95 17:10:13 0 53.61 0.00 2.50 0.13 0.03 43.73 17:10:13 1 59.36 0.00 2.70 0.03 0.02 37.89 17:10:13 2 57.24 0.00 2.74 0.11 0.03 39.88 17:10:13 3 55.34 0.00 2.21 0.12 0.02 42.31 Average: all 60.63 0.00 2.31 0.06 0.03 36.97 Average: 0 58.32 0.00 2.23 0.08 0.03 39.35 Average: 1 62.91 0.00 2.47 0.03 0.02 34.57 Average: 2 60.86 0.00 2.39 0.07 0.03 36.65 Average: 3 60.43 0.00 2.17 0.08 0.03 37.30