---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-47229 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 13% / 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 645 10910 4 4433 15000 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:d4:5a:fc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.187/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84267sec preferred_lft 84267sec inet6 fe80::f816:3eff:fed4:5afc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:da:f1:55:93:4a 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-47229) 09/03/26 _x86_64_ (4 CPU) 20:51:36 LINUX RESTART (4 CPU) 21:00:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:01 32.57 2.52 25.12 4.94 142.78 3497.74 3019.53 21:20:01 42.68 0.19 35.04 7.46 10.72 4267.46 8141.15 Average: 37.64 1.35 30.09 6.20 76.63 3883.31 5585.08 21:00:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:01 10500332 13776208 2183040 13.33 145280 3261872 2406516 13.81 532040 4959484 36104 21:20:01 11177908 15354968 598648 3.66 200900 4029756 1130992 6.49 788744 3924116 26424 Average: 10839120 14565588 1390844 8.49 173090 3645814 1768754 10.15 660392 4441800 31264 21:00:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:01 lo 2919.02 2919.02 2784.91 2784.91 0.00 0.00 0.00 0.00 21:10:01 ens3 132.22 106.50 811.10 24.94 0.00 0.00 0.00 0.00 21:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:01 lo 4114.84 4114.84 3923.35 3923.35 0.00 0.00 0.00 0.00 21:20:01 ens3 68.59 58.09 132.04 30.17 0.00 0.00 0.00 0.00 21:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3518.04 3518.04 3355.19 3355.19 0.00 0.00 0.00 0.00 Average: ens3 100.35 82.25 470.94 27.56 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-47229) 09/03/26 _x86_64_ (4 CPU) 20:51:36 LINUX RESTART (4 CPU) 21:00:03 CPU %user %nice %system %iowait %steal %idle 21:10:01 all 40.22 0.00 2.71 0.12 0.02 56.94 21:10:01 0 39.44 0.00 2.64 0.08 0.02 57.81 21:10:01 1 40.45 0.00 2.59 0.22 0.02 56.73 21:10:01 2 40.16 0.00 2.96 0.14 0.02 56.72 21:10:01 3 40.81 0.00 2.63 0.05 0.02 56.49 21:20:01 all 50.60 0.00 3.65 0.13 0.02 45.61 21:20:01 0 48.56 0.00 3.27 0.14 0.02 48.01 21:20:01 1 50.51 0.00 3.82 0.15 0.02 45.49 21:20:01 2 49.74 0.00 3.61 0.14 0.02 46.49 21:20:01 3 53.57 0.00 3.90 0.09 0.02 42.42 Average: all 45.41 0.00 3.18 0.13 0.02 51.26 Average: 0 44.01 0.00 2.96 0.11 0.02 52.90 Average: 1 45.48 0.00 3.21 0.18 0.02 51.10 Average: 2 44.96 0.00 3.28 0.14 0.02 51.60 Average: 3 47.20 0.00 3.27 0.07 0.02 49.45