---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15855 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 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 731 9695 4 5562 14915 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:06:86:ff brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.98/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84601sec preferred_lft 84601sec inet6 fe80::f816:3eff:fe06:86ff/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:1e:94:94:3e:b2 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-15855) 12/22/25 _x86_64_ (4 CPU) 15:45:25 LINUX RESTART (4 CPU) 15:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:15 42.60 0.77 26.63 15.20 223.23 4360.82 252573.10 16:10:15 30.83 0.05 27.56 3.22 1.31 5981.55 11660.47 Average: 36.78 0.41 27.09 9.27 113.53 5161.98 133484.87 15:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:15 9550776 13356904 2598412 15.87 156936 3739128 2872140 16.49 792424 5609432 95724 16:10:15 7575296 12663132 3285888 20.07 182044 4928172 3766424 21.62 1073920 7219780 28116 Average: 8563036 13010018 2942150 17.97 169490 4333650 3319282 19.05 933172 6414606 61920 15:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:15 lo 1189.96 1189.96 1133.70 1133.70 0.00 0.00 0.00 0.00 16:00:15 ens3 69.72 53.51 445.28 14.11 0.00 0.00 0.00 0.00 16:00:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:15 lo 942.62 942.62 897.25 897.25 0.00 0.00 0.00 0.00 16:10:15 ens3 58.98 45.52 229.37 13.12 0.00 0.00 0.00 0.00 16:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1067.69 1067.69 1016.82 1016.82 0.00 0.00 0.00 0.00 Average: ens3 64.41 49.56 338.55 13.62 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-15855) 12/22/25 _x86_64_ (4 CPU) 15:45:25 LINUX RESTART (4 CPU) 15:50:01 CPU %user %nice %system %iowait %steal %idle 16:00:15 all 64.42 0.00 2.38 0.13 0.09 32.97 16:00:15 0 63.05 0.00 2.38 0.18 0.09 34.30 16:00:15 1 63.62 0.00 2.44 0.05 0.09 33.79 16:00:15 2 66.37 0.00 2.23 0.12 0.09 31.19 16:00:15 3 64.65 0.00 2.48 0.18 0.09 32.60 16:10:15 all 57.98 0.00 2.21 0.11 0.08 39.61 16:10:15 0 58.50 0.00 2.24 0.10 0.08 39.08 16:10:15 1 56.67 0.00 2.23 0.09 0.08 40.93 16:10:15 2 56.46 0.00 1.94 0.21 0.08 41.30 16:10:15 3 60.29 0.00 2.44 0.06 0.08 37.13 Average: all 61.23 0.00 2.30 0.12 0.09 36.26 Average: 0 60.80 0.00 2.31 0.14 0.09 36.67 Average: 1 60.18 0.00 2.34 0.07 0.09 37.32 Average: 2 61.47 0.00 2.09 0.17 0.09 36.19 Average: 3 62.49 0.00 2.46 0.12 0.09 34.84