---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-868 5.15.0-153-generic #163-Ubuntu SMP Thu Aug 7 16:37:18 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 disabled; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: 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 612 10501 4 4874 15034 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:2f:3f:81 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.87/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84461sec preferred_lft 84461sec inet6 fe80::f816:3eff:fe2f:3f81/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:8a:83:b0:4a:61 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 5.15.0-153-generic (prd-ubuntu2204-docker-4c-4g-868) 10/21/25 _x86_64_ (4 CPU) 09:49:00 LINUX RESTART (4 CPU) 09:50:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:00:17 35.87 4.80 29.89 1.17 789.97 7560.15 8529.35 10:10:17 3.40 0.06 3.17 0.17 6.75 504.19 28.87 10:20:17 23.55 0.61 20.89 2.05 23.53 6010.26 7061.69 Average: 20.94 1.82 17.99 1.13 273.42 4691.54 5206.64 09:50:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:00:17 10042820 13038644 2925320 17.87 109400 3063736 3248512 18.65 637512 5352984 632 10:10:17 9347804 12484952 3477800 21.24 114600 3187420 3657244 20.99 679184 6001708 72 10:20:17 10492496 15125704 830116 5.07 136152 4603788 1126396 6.47 1043972 4430688 584 Average: 9961040 13549767 2411079 14.73 120051 3618315 2677384 15.37 786889 5261793 429 09:50:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:00:17 lo 0.43 0.43 0.06 0.06 0.00 0.00 0.00 0.00 10:00:17 ens3 85.86 64.41 817.42 12.02 0.00 0.00 0.00 0.00 10:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:17 lo 0.58 0.58 0.37 0.37 0.00 0.00 0.00 0.00 10:10:17 ens3 9.47 7.94 37.30 1.67 0.00 0.00 0.00 0.00 10:10:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:17 lo 480.52 480.52 455.59 455.59 0.00 0.00 0.00 0.00 10:20:17 ens3 57.61 46.80 472.00 71.64 0.00 0.00 0.00 0.00 10:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 160.51 160.51 152.00 152.00 0.00 0.00 0.00 0.00 Average: ens3 50.98 39.72 442.24 28.45 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 5.15.0-153-generic (prd-ubuntu2204-docker-4c-4g-868) 10/21/25 _x86_64_ (4 CPU) 09:49:00 LINUX RESTART (4 CPU) 09:50:17 CPU %user %nice %system %iowait %steal %idle 10:00:17 all 30.33 0.00 0.94 0.50 0.07 68.17 10:00:17 0 32.18 0.00 0.96 0.54 0.07 66.25 10:00:17 1 24.27 0.00 1.09 0.50 0.07 74.07 10:00:17 2 29.08 0.00 0.90 0.68 0.07 69.27 10:00:17 3 35.77 0.00 0.82 0.26 0.07 63.08 10:10:17 all 46.11 0.00 0.65 0.20 0.09 52.94 10:10:17 0 38.45 0.00 0.52 0.30 0.09 60.63 10:10:17 1 52.95 0.00 0.74 0.22 0.10 45.99 10:10:17 2 38.27 0.00 0.58 0.24 0.08 60.83 10:10:17 3 54.81 0.00 0.74 0.05 0.10 44.30 10:20:17 all 52.67 0.00 1.49 0.34 0.09 45.40 10:20:17 0 60.15 0.00 1.48 0.45 0.10 37.82 10:20:17 1 56.88 0.00 1.54 0.17 0.10 41.31 10:20:17 2 45.75 0.00 1.45 0.46 0.09 52.25 10:20:17 3 47.91 0.00 1.50 0.28 0.09 50.23 Average: all 43.04 0.00 1.03 0.35 0.09 55.50 Average: 0 43.59 0.00 0.99 0.43 0.09 54.91 Average: 1 44.70 0.00 1.12 0.30 0.09 53.79 Average: 2 37.71 0.00 0.98 0.46 0.08 60.78 Average: 3 46.16 0.00 1.02 0.20 0.09 52.54