---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-16208 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: 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 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 12G 67G 15% / 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 665 9491 4 5831 14980 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:01:a0:35 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.50/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84516sec preferred_lft 84516sec inet6 fe80::f816:3eff:fe01:a035/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:e9:e1:15:f8:5a 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-16208) 12/24/25 _x86_64_ (4 CPU) 15:45:26 LINUX RESTART (4 CPU) 15:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:16 30.25 2.45 25.16 2.65 696.59 5271.09 7850.69 16:10:16 49.21 0.07 32.61 16.53 1.91 6027.82 246812.29 Average: 39.61 1.27 28.84 9.50 353.57 5644.74 125843.73 15:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:16 9247064 13212368 2741764 16.75 159784 3883840 3047244 17.49 939600 5752792 25980 16:10:16 7236988 12599908 3347480 20.45 186820 5181692 3503548 20.11 1235824 7389812 19688 Average: 8242026 12906138 3044622 18.60 173302 4532766 3275396 18.80 1087712 6571302 22834 15:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:16 lo 883.70 883.70 841.41 841.41 0.00 0.00 0.00 0.00 16:00:16 ens3 82.13 59.00 586.29 15.10 0.00 0.00 0.00 0.00 16:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:16 lo 1212.22 1212.22 1154.44 1154.44 0.00 0.00 0.00 0.00 16:10:16 ens3 59.58 46.05 229.22 12.92 0.00 0.00 0.00 0.00 16:10:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1045.91 1045.91 995.98 995.98 0.00 0.00 0.00 0.00 Average: ens3 70.99 52.61 409.98 14.02 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-16208) 12/24/25 _x86_64_ (4 CPU) 15:45:26 LINUX RESTART (4 CPU) 15:50:01 CPU %user %nice %system %iowait %steal %idle 16:00:16 all 65.21 0.00 2.38 0.10 0.09 32.22 16:00:16 0 66.46 0.00 2.22 0.06 0.09 31.18 16:00:16 1 64.44 0.00 2.61 0.11 0.09 32.74 16:00:16 2 65.52 0.00 2.59 0.14 0.09 31.66 16:00:16 3 64.43 0.00 2.11 0.10 0.09 33.28 16:10:16 all 56.64 0.00 2.33 0.11 0.09 40.82 16:10:16 0 58.28 0.00 2.48 0.09 0.10 39.06 16:10:16 1 55.39 0.00 2.35 0.12 0.10 42.05 16:10:16 2 58.08 0.00 2.55 0.08 0.09 39.20 16:10:16 3 54.81 0.00 1.95 0.15 0.09 43.00 Average: all 60.98 0.00 2.36 0.11 0.09 36.47 Average: 0 62.42 0.00 2.35 0.07 0.09 35.07 Average: 1 59.97 0.00 2.48 0.12 0.09 37.34 Average: 2 61.84 0.00 2.57 0.11 0.09 35.38 Average: 3 59.68 0.00 2.03 0.12 0.09 38.08