---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10898 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 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 630 9397 4 5961 15016 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:14:62:8d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.197/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84199sec preferred_lft 84199sec inet6 fe80::f816:3eff:fe14:628d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:a3:40:f7:4a:7a 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-10898) 12/05/25 _x86_64_ (4 CPU) 22:58:35 LINUX RESTART (4 CPU) 23:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:10:00 24.95 3.69 19.63 1.64 775.00 4650.21 30016.24 23:20:00 46.71 0.36 38.85 7.50 11.07 4663.36 27548.45 23:30:00 42.85 0.03 34.78 8.04 0.83 3216.24 14067.85 Average: 38.17 1.36 31.09 5.72 262.30 4176.60 23877.52 23:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:10:00 9945404 13395252 2564316 15.66 140340 3444988 2978820 17.10 734632 5320852 47656 23:20:00 8525980 13113884 2835936 17.32 199388 4427432 3144880 18.05 994620 6376284 115800 23:30:00 9696144 15425816 519620 3.17 239084 5464524 1050568 6.03 1391988 4717140 662964 Average: 9389176 13978317 1973291 12.05 192937 4445648 2391423 13.73 1040413 5471425 275473 23:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:10:00 lo 1.26 1.26 0.15 0.15 0.00 0.00 0.00 0.00 23:10:00 ens3 94.00 72.89 762.16 16.62 0.00 0.00 0.00 0.00 23:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:20:00 lo 4045.27 4045.27 3856.09 3856.09 0.00 0.00 0.00 0.00 23:20:00 ens3 69.53 54.16 297.27 17.10 0.00 0.00 0.00 0.00 23:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:30:00 lo 4272.59 4272.59 4071.77 4071.77 0.00 0.00 0.00 0.00 23:30:00 ens3 63.75 51.02 98.31 18.61 0.00 0.00 0.00 0.00 23:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2773.04 2773.04 2642.67 2642.67 0.00 0.00 0.00 0.00 Average: ens3 75.76 59.36 385.91 17.45 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-10898) 12/05/25 _x86_64_ (4 CPU) 22:58:35 LINUX RESTART (4 CPU) 23:00:00 CPU %user %nice %system %iowait %steal %idle 23:10:00 all 51.72 0.00 1.97 0.21 0.08 46.02 23:10:00 0 52.61 0.00 1.97 0.24 0.08 45.11 23:10:00 1 50.97 0.00 2.20 0.28 0.08 46.47 23:10:00 2 51.05 0.00 1.99 0.15 0.09 46.72 23:10:00 3 52.23 0.00 1.71 0.18 0.08 45.79 23:20:00 all 64.48 0.00 3.74 0.18 0.09 31.50 23:20:00 0 63.16 0.00 3.52 0.15 0.09 33.08 23:20:00 1 63.56 0.00 3.58 0.18 0.09 32.58 23:20:00 2 65.57 0.00 3.98 0.19 0.09 30.17 23:20:00 3 65.62 0.00 3.88 0.22 0.09 30.18 23:30:00 all 58.43 0.00 3.79 2.07 0.09 35.62 23:30:00 0 56.13 0.00 3.43 4.02 0.09 36.33 23:30:00 1 59.93 0.00 4.28 0.94 0.09 34.77 23:30:00 2 58.44 0.00 3.52 2.32 0.09 35.63 23:30:00 3 59.23 0.00 3.95 0.99 0.09 35.74 Average: all 58.20 0.00 3.17 0.82 0.09 37.72 Average: 0 57.30 0.00 2.97 1.47 0.09 38.17 Average: 1 58.15 0.00 3.35 0.47 0.09 37.95 Average: 2 58.35 0.00 3.16 0.89 0.09 37.51 Average: 3 59.02 0.00 3.18 0.47 0.09 37.25