---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32664 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 670 10434 4 4884 14976 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:bb:93:6e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.148/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84556sec preferred_lft 84556sec inet6 fe80::f816:3eff:febb:936e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:c2:58:d4:b6:fc 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-32664) 07/03/26 _x86_64_ (4 CPU) 14:38:28 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:20 16.42 2.78 13.03 0.62 158.20 3420.08 1323.25 15:00:04 11.37 0.58 9.77 1.02 21.29 2437.18 2061.02 Average: 13.97 1.71 11.44 0.81 91.70 2942.63 1681.63 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:20 10711660 13858580 2102920 12.84 122792 3165856 2785692 15.99 517552 4774604 58760 15:00:04 9192608 13431888 2520924 15.40 163652 4122896 2995988 17.20 730788 5957888 426636 Average: 9952134 13645234 2311922 14.12 143222 3644376 2890840 16.59 624170 5366246 242698 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:20 lo 0.71 0.71 0.07 0.07 0.00 0.00 0.00 0.00 14:50:20 ens3 87.85 68.10 719.78 13.89 0.00 0.00 0.00 0.00 14:50:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:04 lo 3.54 3.54 2.16 2.16 0.00 0.00 0.00 0.00 15:00:04 ens3 83.30 63.23 382.96 17.63 0.00 0.00 0.00 0.00 15:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.09 2.09 1.09 1.09 0.00 0.00 0.00 0.00 Average: ens3 85.64 65.74 556.17 15.71 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-32664) 07/03/26 _x86_64_ (4 CPU) 14:38:28 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:20 all 30.91 0.00 1.07 0.08 0.06 67.88 14:50:20 0 30.92 0.00 1.08 0.06 0.06 67.88 14:50:20 1 30.50 0.00 1.02 0.08 0.06 68.35 14:50:20 2 30.78 0.00 0.97 0.08 0.06 68.11 14:50:20 3 31.42 0.00 1.20 0.11 0.07 67.19 15:00:04 all 73.63 0.00 2.18 0.04 0.12 24.02 15:00:04 0 73.85 0.00 2.20 0.02 0.12 23.81 15:00:04 1 73.55 0.00 2.12 0.03 0.12 24.18 15:00:04 2 75.49 0.00 2.09 0.05 0.12 22.25 15:00:04 3 71.64 0.00 2.33 0.07 0.12 25.84 Average: all 51.65 0.00 1.61 0.06 0.09 46.59 Average: 0 51.76 0.00 1.62 0.04 0.09 46.49 Average: 1 51.39 0.00 1.55 0.06 0.09 46.91 Average: 2 52.49 0.00 1.51 0.07 0.09 45.84 Average: 3 50.94 0.00 1.75 0.09 0.09 47.13