---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5023 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 12G 66G 16% / 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 654 8697 4 6637 14992 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:69:61:25 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.52/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84136sec preferred_lft 84136sec inet6 fe80::f816:3eff:fe69:6125/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:a5:44:ef:4e:e0 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-5023) 01/27/26 _x86_64_ (4 CPU) 14:32:41 LINUX RESTART (4 CPU) 14:40:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:08 21.12 0.06 18.44 2.61 6.33 2088.91 4498.53 15:00:08 31.53 0.01 28.14 3.39 0.20 2501.47 16788.87 15:10:08 14.20 0.19 12.38 1.63 12.83 7980.63 1347.49 Average: 22.28 0.08 19.65 2.54 6.45 4190.33 7544.96 14:40:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:08 8374808 12118752 3838224 23.44 143672 3721792 3921844 22.51 857940 6754144 12292 15:00:08 7562304 12367668 3584304 21.89 162816 4715556 3535360 20.29 1153740 7217856 649576 15:10:08 8962204 15402176 544108 3.32 181328 6278936 1057872 6.07 1781500 5134432 11620 Average: 8299772 13296199 2655545 16.22 162605 4905428 2838359 16.29 1264393 6368811 224496 14:40:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:08 lo 1133.75 1133.75 1073.31 1073.31 0.00 0.00 0.00 0.00 14:50:08 ens3 41.34 36.14 29.53 12.74 0.00 0.00 0.00 0.00 14:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:08 lo 1356.94 1356.94 1292.14 1292.14 0.00 0.00 0.00 0.00 15:00:08 ens3 41.09 32.70 31.10 11.97 0.00 0.00 0.00 0.00 15:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:08 lo 154.05 154.05 4559.63 4559.63 0.00 0.00 0.00 0.00 15:10:08 ens3 90.24 97.75 116.24 1061.96 0.00 0.00 0.00 0.00 15:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 881.58 881.58 2308.36 2308.36 0.00 0.00 0.00 0.00 Average: ens3 57.56 55.53 58.96 362.22 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-5023) 01/27/26 _x86_64_ (4 CPU) 14:32:41 LINUX RESTART (4 CPU) 14:40:08 CPU %user %nice %system %iowait %steal %idle 14:50:08 all 66.68 0.00 2.34 0.04 0.18 30.75 14:50:08 0 64.88 0.00 2.33 0.03 0.18 32.58 14:50:08 1 68.53 0.00 2.21 0.04 0.19 29.03 14:50:08 2 65.18 0.00 2.34 0.04 0.18 32.26 14:50:08 3 68.14 0.00 2.50 0.04 0.18 29.14 15:00:08 all 63.20 0.00 2.66 0.11 0.16 33.87 15:00:08 0 61.47 0.00 2.33 0.04 0.17 36.00 15:00:08 1 65.44 0.00 2.83 0.08 0.17 31.48 15:00:08 2 63.59 0.00 2.73 0.15 0.16 33.38 15:00:08 3 62.31 0.00 2.73 0.18 0.16 34.63 15:10:08 all 25.27 0.00 1.01 0.18 0.08 73.46 15:10:08 0 21.13 0.00 1.15 0.15 0.08 77.50 15:10:08 1 25.69 0.00 1.20 0.20 0.09 72.82 15:10:08 2 21.97 0.00 0.90 0.17 0.08 76.90 15:10:08 3 32.32 0.00 0.78 0.21 0.09 66.60 Average: all 51.70 0.00 2.00 0.11 0.14 46.05 Average: 0 49.15 0.00 1.93 0.07 0.14 48.71 Average: 1 53.19 0.00 2.08 0.11 0.15 44.48 Average: 2 50.23 0.00 1.99 0.12 0.14 47.53 Average: 3 54.24 0.00 2.00 0.14 0.14 43.47