---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2164 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 UTC 2026 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 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 659 10301 4 5028 14987 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:dd:e6:1e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.37/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84688sec preferred_lft 84688sec inet6 fe80::f816:3eff:fedd:e61e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:20:48:85:f4:b8 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-2164) 08/05/26 _x86_64_ (4 CPU) 00:25:26 LINUX RESTART (4 CPU) 00:30:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:23 4.17 0.12 3.86 0.20 8.20 534.56 142.01 00:50:04 17.41 0.54 15.74 1.13 19.72 2314.54 4852.93 Average: 10.63 0.32 9.66 0.65 13.82 1403.28 2441.17 00:30:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:23 10262356 13415132 2548016 15.56 116564 3188836 2825352 16.22 510644 5257156 30760 00:50:04 8863224 12751836 3206984 19.59 135948 3865996 3322484 19.07 735520 6380456 277352 Average: 9562790 13083484 2877500 17.57 126256 3527416 3073918 17.64 623082 5818806 154056 00:30:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:23 lo 0.61 0.61 0.37 0.37 0.00 0.00 0.00 0.00 00:40:23 ens3 11.57 9.18 35.25 2.54 0.00 0.00 0.00 0.00 00:40:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:04 lo 454.00 454.00 432.56 432.56 0.00 0.00 0.00 0.00 00:50:04 ens3 48.92 32.74 457.81 5.17 0.00 0.00 0.00 0.00 00:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 221.89 221.89 211.30 211.30 0.00 0.00 0.00 0.00 Average: ens3 29.80 20.68 241.48 3.82 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-2164) 08/05/26 _x86_64_ (4 CPU) 00:25:26 LINUX RESTART (4 CPU) 00:30:13 CPU %user %nice %system %iowait %steal %idle 00:40:23 all 47.13 0.00 0.76 0.01 0.09 52.01 00:40:23 0 45.15 0.00 0.59 0.01 0.08 54.18 00:40:23 1 41.74 0.00 0.81 0.01 0.08 57.36 00:40:23 2 44.69 0.00 0.86 0.02 0.09 54.35 00:40:23 3 56.99 0.00 0.79 0.02 0.09 42.12 00:50:04 all 54.31 0.00 1.36 0.05 0.11 44.17 00:50:04 0 48.21 0.00 1.12 0.03 0.10 50.54 00:50:04 1 58.35 0.00 1.40 0.06 0.10 40.08 00:50:04 2 62.69 0.00 1.46 0.05 0.12 35.67 00:50:04 3 47.98 0.00 1.44 0.07 0.10 50.41 Average: all 50.64 0.00 1.05 0.03 0.10 48.19 Average: 0 46.64 0.00 0.85 0.02 0.09 52.40 Average: 1 49.83 0.00 1.10 0.03 0.09 48.94 Average: 2 53.48 0.00 1.15 0.03 0.10 45.23 Average: 3 52.60 0.00 1.11 0.04 0.10 46.16