---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4347 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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: 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 12G 66G 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 660 9452 4 5876 14986 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:40:20:a6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.156/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84535sec preferred_lft 84535sec inet6 fe80::f816:3eff:fe40:20a6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:a5:2b:15:a8:8b 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-4347) 04/18/26 _x86_64_ (4 CPU) 21:55:11 LINUX RESTART (4 CPU) 22:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:06 23.23 0.11 20.55 2.57 8.83 2143.91 9427.14 22:20:12 29.20 0.03 26.37 2.79 0.48 4167.97 13609.79 Average: 26.24 0.07 23.48 2.68 4.62 3163.89 11534.90 22:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:06 9064440 12643724 3314452 20.24 136624 3564668 3237544 18.58 694588 6208540 15696 22:20:12 6983864 11537988 4415912 26.97 152968 4479484 4300828 24.69 960292 7996172 28 Average: 8024152 12090856 3865182 23.61 144796 4022076 3769186 21.64 827440 7102356 7862 22:00:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:06 lo 1225.73 1225.73 1160.88 1160.88 0.00 0.00 0.00 0.00 22:10:06 ens3 36.49 29.62 25.76 12.44 0.00 0.00 0.00 0.00 22:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:12 lo 1206.92 1206.92 1143.88 1143.88 0.00 0.00 0.00 0.00 22:20:12 ens3 35.56 27.27 39.20 12.79 0.00 0.00 0.00 0.00 22:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1216.25 1216.25 1152.31 1152.31 0.00 0.00 0.00 0.00 Average: ens3 36.03 28.44 32.53 12.61 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-4347) 04/18/26 _x86_64_ (4 CPU) 21:55:11 LINUX RESTART (4 CPU) 22:00:10 CPU %user %nice %system %iowait %steal %idle 22:10:06 all 67.28 0.00 2.25 0.11 0.10 30.26 22:10:06 0 68.76 0.00 2.07 0.05 0.10 29.02 22:10:06 1 65.25 0.00 2.20 0.30 0.10 32.15 22:10:06 2 68.23 0.00 2.48 0.04 0.10 29.15 22:10:06 3 66.87 0.00 2.25 0.06 0.10 30.72 22:20:12 all 55.47 0.00 2.23 0.17 0.11 42.03 22:20:12 0 53.60 0.00 2.22 0.13 0.11 43.94 22:20:12 1 59.91 0.00 2.32 0.28 0.11 37.39 22:20:12 2 54.44 0.00 2.29 0.12 0.11 43.04 22:20:12 3 53.94 0.00 2.08 0.14 0.10 43.73 Average: all 61.33 0.00 2.24 0.14 0.10 36.19 Average: 0 61.12 0.00 2.15 0.09 0.10 36.54 Average: 1 62.56 0.00 2.26 0.29 0.10 34.79 Average: 2 61.28 0.00 2.39 0.08 0.11 36.15 Average: 3 60.36 0.00 2.16 0.10 0.10 37.27