---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6119 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 695 10809 4 4484 14950 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:10:54:d9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.120/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84438sec preferred_lft 84438sec inet6 fe80::f816:3eff:fe10:54d9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:7f:4a:35:9d:09 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-6119) 09/08/26 _x86_64_ (4 CPU) 21:55:30 LINUX RESTART (4 CPU) 22:00:32 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:15 55.02 12.28 35.35 7.39 137.81 2946.79 3926.05 22:20:20 24.87 0.18 19.77 4.91 10.60 2722.08 2138.47 Average: 39.65 6.11 27.41 6.13 72.97 2832.25 3014.85 22:00:32 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:15 10246156 13870568 2085568 12.74 172992 3535824 2253640 12.94 645868 5040728 45260 22:20:20 11155396 15383404 569716 3.48 202352 4067004 1140336 6.55 815232 3907944 40 Average: 10700776 14626986 1327642 8.11 187672 3801414 1696988 9.74 730550 4474336 22650 22:00:32 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:15 lo 4909.72 4909.72 4683.16 4683.16 0.00 0.00 0.00 0.00 22:10:15 ens3 50.90 41.53 23.24 22.08 0.00 0.00 0.00 0.00 22:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:20 lo 1836.90 1836.90 1744.64 1744.64 0.00 0.00 0.00 0.00 22:20:20 ens3 61.31 57.14 129.18 80.41 0.00 0.00 0.00 0.00 22:20:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3343.39 3343.39 3185.29 3185.29 0.00 0.00 0.00 0.00 Average: ens3 56.21 49.49 77.24 51.81 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-6119) 09/08/26 _x86_64_ (4 CPU) 21:55:30 LINUX RESTART (4 CPU) 22:00:32 CPU %user %nice %system %iowait %steal %idle 22:10:15 all 60.09 0.07 4.40 0.12 0.02 35.30 22:10:15 0 60.62 0.00 4.43 0.07 0.02 34.86 22:10:15 1 59.75 0.11 4.38 0.11 0.03 35.62 22:10:15 2 59.71 0.11 4.16 0.21 0.02 35.80 22:10:15 3 60.27 0.04 4.62 0.11 0.03 34.93 22:20:20 all 27.85 0.00 1.88 0.07 0.02 70.18 22:20:20 0 27.57 0.00 1.77 0.03 0.02 70.62 22:20:20 1 29.32 0.00 1.77 0.04 0.02 68.84 22:20:20 2 28.37 0.00 2.22 0.16 0.02 69.24 22:20:20 3 26.13 0.00 1.76 0.06 0.02 72.03 Average: all 43.64 0.03 3.11 0.10 0.02 53.09 Average: 0 43.76 0.00 3.07 0.05 0.02 53.10 Average: 1 44.23 0.06 3.05 0.08 0.02 52.57 Average: 2 43.72 0.05 3.17 0.18 0.02 52.86 Average: 3 42.86 0.02 3.17 0.08 0.02 53.85