---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15313 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 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 67G 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 597 10476 4 4915 15049 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:ab:fa:52 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.114/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84793sec preferred_lft 84793sec inet6 fe80::f816:3eff:feab:fa52/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:b7:8b:3f:17:7f 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-15313) 12/20/25 _x86_64_ (4 CPU) 09:57:06 LINUX RESTART (4 CPU) 10:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:12 24.40 2.57 8.94 12.90 726.08 2431.77 242395.35 10:20:01 10.10 0.55 9.01 0.54 19.81 1614.43 1375.73 Average: 17.38 1.58 8.97 6.83 379.34 2030.50 124067.46 10:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:12 9157132 12297412 3666004 22.39 112364 3196812 3872728 22.23 689416 6186108 168 10:20:01 9066424 12880288 3079156 18.81 133788 3811556 3323396 19.08 888348 6041396 273100 Average: 9111778 12588850 3372580 20.60 123076 3504184 3598062 20.65 788882 6113752 136634 10:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:12 lo 0.68 0.68 0.38 0.38 0.00 0.00 0.00 0.00 10:10:12 ens3 59.18 43.83 688.46 5.81 0.00 0.00 0.00 0.00 10:10:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 lo 217.99 217.99 207.26 207.26 0.00 0.00 0.00 0.00 10:20:01 ens3 35.69 26.85 396.19 3.49 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 107.36 107.36 101.95 101.95 0.00 0.00 0.00 0.00 Average: ens3 47.65 35.49 544.97 4.67 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-15313) 12/20/25 _x86_64_ (4 CPU) 09:57:06 LINUX RESTART (4 CPU) 10:00:01 CPU %user %nice %system %iowait %steal %idle 10:10:12 all 50.65 0.00 0.98 0.13 0.07 48.17 10:10:12 0 48.61 0.00 1.06 0.12 0.07 50.14 10:10:12 1 54.44 0.00 1.04 0.04 0.08 44.41 10:10:12 2 49.36 0.00 0.90 0.20 0.07 49.46 10:10:12 3 50.21 0.00 0.91 0.14 0.07 48.66 10:20:01 all 48.60 0.00 0.93 0.04 0.08 50.35 10:20:01 0 33.07 0.00 0.90 0.05 0.08 65.90 10:20:01 1 74.77 0.00 1.02 0.05 0.09 24.08 10:20:01 2 35.81 0.00 0.86 0.04 0.07 63.21 10:20:01 3 50.78 0.00 0.95 0.02 0.07 48.18 Average: all 49.64 0.00 0.96 0.08 0.08 49.24 Average: 0 40.97 0.00 0.99 0.09 0.08 57.88 Average: 1 64.42 0.00 1.03 0.04 0.08 34.43 Average: 2 42.71 0.00 0.88 0.12 0.07 56.21 Average: 3 50.49 0.00 0.93 0.08 0.07 48.43