---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-14896 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 68G 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 650 10472 4 4866 14996 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:38:6f:f2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.225/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84453sec preferred_lft 84453sec inet6 fe80::f816:3eff:fe38:6ff2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:33:dc:e2:b5:aa 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-14896) 12/18/25 _x86_64_ (4 CPU) 20:50:27 LINUX RESTART (4 CPU) 21:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:01 14.57 2.01 11.54 1.02 130.79 2780.00 3194.24 21:20:12 29.05 0.89 24.16 4.00 28.89 4438.23 4235.69 Average: 21.87 1.44 17.91 2.52 79.39 3616.50 3719.60 21:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:01 10269848 13712328 2246368 13.72 136500 3431720 2625620 15.07 700048 5023368 24028 21:20:12 10791700 15413352 536748 3.28 169964 4490116 1102624 6.33 1026844 4074852 8 Average: 10530774 14562840 1391558 8.50 153232 3960918 1864122 10.70 863446 4549110 12018 21:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:01 lo 1.31 1.31 0.13 0.13 0.00 0.00 0.00 0.00 21:10:01 ens3 85.80 68.98 496.79 19.02 0.00 0.00 0.00 0.00 21:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:12 lo 1461.70 1461.70 1387.26 1387.26 0.00 0.00 0.00 0.00 21:20:12 ens3 91.14 79.91 407.01 101.48 0.00 0.00 0.00 0.00 21:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 738.00 738.00 699.87 699.87 0.00 0.00 0.00 0.00 Average: ens3 88.49 74.49 451.50 60.62 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-14896) 12/18/25 _x86_64_ (4 CPU) 20:50:27 LINUX RESTART (4 CPU) 21:00:01 CPU %user %nice %system %iowait %steal %idle 21:10:01 all 66.56 0.00 2.09 0.05 0.10 31.21 21:10:01 0 66.04 0.00 2.03 0.06 0.10 31.78 21:10:01 1 66.98 0.00 2.23 0.05 0.10 30.65 21:10:01 2 65.56 0.00 2.00 0.07 0.10 32.27 21:10:01 3 67.65 0.00 2.08 0.03 0.10 30.14 21:20:12 all 58.32 0.00 2.29 0.10 0.08 39.21 21:20:12 0 52.99 0.00 2.37 0.10 0.08 44.46 21:20:12 1 59.38 0.00 2.23 0.06 0.08 38.24 21:20:12 2 62.14 0.00 2.42 0.07 0.08 35.29 21:20:12 3 58.78 0.00 2.15 0.15 0.08 38.84 Average: all 62.40 0.00 2.19 0.07 0.09 35.24 Average: 0 59.45 0.00 2.20 0.08 0.09 38.18 Average: 1 63.15 0.00 2.23 0.06 0.09 34.48 Average: 2 63.84 0.00 2.21 0.07 0.09 33.79 Average: 3 63.18 0.00 2.12 0.09 0.09 34.53