---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-16847 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 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 718 9690 4 5580 14928 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:f2:0a:e0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.112/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83947sec preferred_lft 83947sec inet6 fe80::f816:3eff:fef2:ae0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:2d:28:44:89:cf 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-16847) 12/27/25 _x86_64_ (4 CPU) 20:24:24 LINUX RESTART (4 CPU) 20:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:20 14.41 2.21 11.20 1.01 131.34 3235.97 2622.37 20:50:07 72.81 0.34 47.53 24.93 11.28 4404.23 254279.92 21:00:30 35.72 0.13 29.26 6.32 6.21 4931.42 15900.11 Average: 40.38 0.90 29.00 10.48 50.23 4188.05 87782.49 20:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:20 10297524 13628940 2330272 14.23 154976 3289576 2570728 14.76 607536 5074104 100980 20:50:07 9053900 13183772 2767684 16.90 200300 3973552 2908488 16.69 811232 6012736 13476 21:00:30 10036172 15381736 564612 3.45 236304 5086240 1101696 6.32 1207540 4571392 44 Average: 9795865 14064816 1887523 11.53 197193 4116456 2193637 12.59 875436 5219411 38167 20:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:20 lo 1.26 1.26 0.13 0.13 0.00 0.00 0.00 0.00 20:40:20 ens3 90.00 73.17 390.24 20.08 0.00 0.00 0.00 0.00 20:40:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:07 lo 5111.82 5111.82 4870.94 4870.94 0.00 0.00 0.00 0.00 20:50:07 ens3 95.06 72.75 310.36 22.15 0.00 0.00 0.00 0.00 20:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:30 lo 2716.25 2716.25 2580.29 2580.29 0.00 0.00 0.00 0.00 21:00:30 ens3 100.86 86.40 106.63 114.23 0.00 0.00 0.00 0.00 21:00:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2563.94 2563.94 2440.04 2440.04 0.00 0.00 0.00 0.00 Average: ens3 95.32 77.54 268.00 52.83 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-16847) 12/27/25 _x86_64_ (4 CPU) 20:24:24 LINUX RESTART (4 CPU) 20:30:00 CPU %user %nice %system %iowait %steal %idle 20:40:20 all 62.73 0.00 2.13 0.11 0.08 34.96 20:40:20 0 62.54 0.00 2.06 0.11 0.08 35.21 20:40:20 1 62.25 0.00 2.10 0.15 0.08 35.41 20:40:20 2 63.77 0.00 2.16 0.12 0.08 33.87 20:40:20 3 62.34 0.00 2.18 0.07 0.08 35.33 20:50:07 all 61.07 0.00 4.07 0.22 0.09 34.56 20:50:07 0 62.14 0.00 4.37 0.14 0.08 33.26 20:50:07 1 60.92 0.00 3.67 0.27 0.09 35.05 20:50:07 2 61.36 0.00 4.35 0.27 0.09 33.94 20:50:07 3 59.84 0.00 3.89 0.20 0.09 35.99 21:00:30 all 49.75 0.00 2.82 0.26 0.07 47.10 21:00:30 0 53.02 0.00 2.55 0.31 0.07 44.05 21:00:30 1 47.33 0.00 2.75 0.34 0.08 49.50 21:00:30 2 52.90 0.00 3.16 0.18 0.07 43.69 21:00:30 3 45.77 0.00 2.81 0.19 0.07 51.16 Average: all 57.77 0.00 2.98 0.19 0.08 38.97 Average: 0 59.16 0.00 2.97 0.19 0.08 37.60 Average: 1 56.74 0.00 2.83 0.25 0.08 40.10 Average: 2 59.29 0.00 3.20 0.19 0.08 37.24 Average: 3 55.89 0.00 2.94 0.15 0.08 40.94