---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-16360 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 687 10368 4 4933 14959 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:e1:d3:95 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.201/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84496sec preferred_lft 84496sec inet6 fe80::f816:3eff:fee1:d395/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:27:4a:d7:35:44 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-16360) 12/25/25 _x86_64_ (4 CPU) 09:10:25 LINUX RESTART (4 CPU) 09:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:01 13.15 1.61 10.48 1.05 118.36 2839.49 2797.57 09:40:02 27.83 0.92 22.95 3.96 29.99 4405.52 11190.49 Average: 20.49 1.27 16.72 2.51 74.14 3623.06 6997.00 09:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 10163196 13712144 2246864 13.72 136652 3535148 2472892 14.19 789380 5027436 35868 09:40:02 10702180 15392396 558256 3.41 169600 4558540 1098740 6.31 1095936 4073316 212 Average: 10432688 14552270 1402560 8.57 153126 4046844 1785816 10.25 942658 4550376 18040 09:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 lo 1.39 1.39 0.14 0.14 0.00 0.00 0.00 0.00 09:30:01 ens3 79.04 62.91 344.84 18.57 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:02 lo 1431.45 1431.45 1356.91 1356.91 0.00 0.00 0.00 0.00 09:40:02 ens3 98.18 84.91 396.28 116.91 0.00 0.00 0.00 0.00 09:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 716.92 716.92 679.00 679.00 0.00 0.00 0.00 0.00 Average: ens3 88.62 73.92 370.58 67.77 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-16360) 12/25/25 _x86_64_ (4 CPU) 09:10:25 LINUX RESTART (4 CPU) 09:20:01 CPU %user %nice %system %iowait %steal %idle 09:30:01 all 74.46 0.00 2.39 0.05 0.10 22.99 09:30:01 0 76.52 0.00 2.50 0.03 0.10 20.84 09:30:01 1 73.80 0.00 2.40 0.07 0.10 23.62 09:30:01 2 73.22 0.00 2.33 0.04 0.10 24.32 09:30:01 3 74.31 0.00 2.32 0.07 0.11 23.20 09:40:02 all 56.96 0.00 2.31 0.26 0.10 40.38 09:40:02 0 60.58 0.00 2.68 0.13 0.10 36.51 09:40:02 1 55.42 0.00 2.11 0.52 0.10 41.86 09:40:02 2 53.70 0.00 2.22 0.20 0.10 43.78 09:40:02 3 58.13 0.00 2.22 0.21 0.10 39.35 Average: all 65.70 0.00 2.35 0.16 0.10 31.69 Average: 0 68.54 0.00 2.59 0.08 0.10 28.68 Average: 1 64.60 0.00 2.25 0.29 0.10 32.75 Average: 2 63.45 0.00 2.28 0.12 0.10 34.06 Average: 3 66.21 0.00 2.27 0.14 0.10 31.28