---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12148 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 11G 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 669 9791 4 5527 14976 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:8d:3d:d3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.191/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84356sec preferred_lft 84356sec inet6 fe80::f816:3eff:fe8d:3dd3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:d2:c3:79:79:51 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-12148) 12/10/25 _x86_64_ (4 CPU) 02:52:17 LINUX RESTART (4 CPU) 03:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:22 42.75 0.02 36.32 6.40 0.58 1627.78 132273.24 03:20:22 27.94 0.17 23.73 4.04 5.25 2240.02 25639.03 Average: 35.47 0.10 30.13 5.24 2.87 1928.70 79861.65 03:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:22 9440084 13019964 2937816 17.94 153248 3560032 3209864 18.42 853504 5693732 468 03:20:22 8522968 12977176 2975840 18.18 174140 4365172 3108116 17.84 1105320 6295140 405048 Average: 8981526 12998570 2956828 18.06 163694 3962602 3158990 18.13 979412 5994436 202758 03:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:22 lo 36.28 36.28 8.56 8.56 0.00 0.00 0.00 0.00 03:10:22 ens3 11.74 9.75 13.26 4.05 0.00 0.00 0.00 0.00 03:10:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:20:22 lo 1483.94 1483.94 1395.07 1395.07 0.00 0.00 0.00 0.00 03:20:22 ens3 46.71 36.87 337.16 12.16 0.00 0.00 0.00 0.00 03:20:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 747.82 747.82 690.04 690.04 0.00 0.00 0.00 0.00 Average: ens3 28.93 23.08 172.46 8.04 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-12148) 12/10/25 _x86_64_ (4 CPU) 02:52:17 LINUX RESTART (4 CPU) 03:00:01 CPU %user %nice %system %iowait %steal %idle 03:10:22 all 26.90 0.00 1.11 0.30 0.09 71.61 03:10:22 0 25.72 0.00 0.96 0.05 0.09 73.19 03:10:22 1 27.57 0.00 1.19 0.07 0.08 71.09 03:10:22 2 28.13 0.00 1.29 0.93 0.09 69.56 03:10:22 3 26.17 0.00 1.02 0.14 0.09 72.58 03:20:22 all 40.66 0.00 2.02 0.09 0.09 57.13 03:20:22 0 42.10 0.00 2.22 0.09 0.09 55.50 03:20:22 1 41.50 0.00 2.06 0.04 0.09 56.30 03:20:22 2 39.83 0.00 1.97 0.06 0.09 58.04 03:20:22 3 39.22 0.00 1.84 0.18 0.09 58.68 Average: all 33.66 0.00 1.56 0.20 0.09 64.49 Average: 0 33.77 0.00 1.58 0.07 0.09 64.50 Average: 1 34.41 0.00 1.62 0.06 0.09 63.82 Average: 2 33.88 0.00 1.63 0.50 0.09 63.90 Average: 3 32.57 0.00 1.42 0.16 0.09 65.76