---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5472 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 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: 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 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 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 683 10471 4 4834 14963 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:ff:03:06 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.15/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84499sec preferred_lft 84499sec inet6 fe80::f816:3eff:feff:306/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:84:a6:4b:33:b2 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-5472) 01/28/26 _x86_64_ (4 CPU) 17:56:49 LINUX RESTART (4 CPU) 18:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:10:09 12.21 2.31 9.15 0.75 530.47 2331.87 865.88 18:20:09 21.63 0.83 18.37 2.43 27.09 3545.67 2973.05 Average: 16.92 1.57 13.76 1.59 278.78 2938.77 1919.47 18:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:10:09 10886796 14024904 1937324 11.83 120948 3166308 2249896 12.91 647696 4487568 37264 18:20:09 9130124 13320636 2632768 16.08 163504 4087708 3103772 17.82 897176 5889932 90228 Average: 10008460 13672770 2285046 13.96 142226 3627008 2676834 15.36 772436 5188750 63746 18:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:10:09 lo 0.71 0.71 0.07 0.07 0.00 0.00 0.00 0.00 18:10:09 ens3 75.59 57.62 681.92 11.40 0.00 0.00 0.00 0.00 18:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:09 lo 997.77 997.77 949.83 949.83 0.00 0.00 0.00 0.00 18:20:09 ens3 89.04 67.02 365.44 18.95 0.00 0.00 0.00 0.00 18:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 499.24 499.24 474.95 474.95 0.00 0.00 0.00 0.00 Average: ens3 82.31 62.32 523.68 15.18 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-5472) 01/28/26 _x86_64_ (4 CPU) 17:56:49 LINUX RESTART (4 CPU) 18:00:09 CPU %user %nice %system %iowait %steal %idle 18:10:09 all 37.06 0.00 1.17 0.08 0.07 61.62 18:10:09 0 38.31 0.00 1.17 0.04 0.07 60.42 18:10:09 1 37.31 0.00 1.10 0.12 0.07 61.40 18:10:09 2 35.74 0.00 1.18 0.06 0.07 62.94 18:10:09 3 36.89 0.00 1.25 0.09 0.06 61.72 18:20:09 all 70.59 0.00 2.61 0.05 0.09 26.66 18:20:09 0 71.79 0.00 2.45 0.04 0.10 25.62 18:20:09 1 67.57 0.00 2.52 0.05 0.09 29.77 18:20:09 2 71.99 0.00 2.53 0.04 0.10 25.35 18:20:09 3 71.00 0.00 2.95 0.06 0.09 25.91 Average: all 53.81 0.00 1.89 0.06 0.08 44.16 Average: 0 55.04 0.00 1.81 0.04 0.08 43.03 Average: 1 52.40 0.00 1.81 0.08 0.08 45.62 Average: 2 53.86 0.00 1.86 0.05 0.08 44.16 Average: 3 53.93 0.00 2.10 0.07 0.08 43.83