---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11688 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 689 9863 4 5436 14957 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:ea:72:2b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.249/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84701sec preferred_lft 84701sec inet6 fe80::f816:3eff:feea:722b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:1b:1f:c2:85:8c 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-11688) 12/08/25 _x86_64_ (4 CPU) 19:38:06 LINUX RESTART (4 CPU) 19:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:50:00 77.37 3.03 53.21 21.13 756.00 5039.32 409112.20 20:00:00 19.65 0.15 16.73 2.77 4.92 1392.69 21066.56 Average: 48.51 1.59 34.97 11.95 380.46 3216.01 215089.38 19:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:50:00 9816672 13363952 2594508 15.85 149876 3535096 2850976 16.36 845712 5339900 26284 20:00:00 9163020 13072224 2883624 17.61 165800 3858236 3124824 17.94 951276 5866704 102388 Average: 9489846 13218088 2739066 16.73 157838 3696666 2987900 17.15 898494 5603302 64336 19:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:50:00 lo 19.02 19.02 4.09 4.09 0.00 0.00 0.00 0.00 19:50:00 ens3 63.86 47.35 667.54 8.42 0.00 0.00 0.00 0.00 19:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:00:00 lo 1221.32 1221.32 1132.52 1132.52 0.00 0.00 0.00 0.00 20:00:00 ens3 28.78 20.78 230.48 3.88 0.00 0.00 0.00 0.00 20:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 620.17 620.17 568.30 568.30 0.00 0.00 0.00 0.00 Average: ens3 46.32 34.06 449.01 6.15 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-11688) 12/08/25 _x86_64_ (4 CPU) 19:38:06 LINUX RESTART (4 CPU) 19:40:00 CPU %user %nice %system %iowait %steal %idle 19:50:00 all 39.09 0.00 1.56 0.49 0.08 58.78 19:50:00 0 40.46 0.00 1.86 0.92 0.08 56.67 19:50:00 1 37.50 0.00 1.49 0.42 0.08 60.50 19:50:00 2 38.98 0.00 1.52 0.37 0.08 59.05 19:50:00 3 39.43 0.00 1.35 0.24 0.08 58.90 20:00:00 all 25.49 0.00 1.36 0.06 0.09 73.00 20:00:00 0 25.62 0.00 1.19 0.10 0.09 73.01 20:00:00 1 25.85 0.00 1.54 0.07 0.09 72.45 20:00:00 2 25.37 0.00 1.26 0.05 0.08 73.24 20:00:00 3 25.10 0.00 1.45 0.04 0.09 73.31 Average: all 32.29 0.00 1.46 0.28 0.08 65.89 Average: 0 33.03 0.00 1.53 0.51 0.09 64.85 Average: 1 31.68 0.00 1.52 0.25 0.09 66.47 Average: 2 32.18 0.00 1.39 0.21 0.08 66.14 Average: 3 32.27 0.00 1.40 0.14 0.08 66.10