---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4022 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 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 695 10411 4 4882 14951 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:05:73:21 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.11/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84556sec preferred_lft 84556sec inet6 fe80::f816:3eff:fe05:7321/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:fa:8f:a1:6d:2e 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-4022) 04/17/26 _x86_64_ (4 CPU) 14:43:47 LINUX RESTART (4 CPU) 14:50:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:00:14 15.24 2.06 12.22 0.97 131.71 3093.61 194.41 15:10:17 34.84 1.05 29.64 4.14 34.81 4478.43 1561.30 Average: 25.10 1.55 20.98 2.56 82.98 3790.03 881.82 14:50:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:00:14 10434344 13880152 2078372 12.69 142676 3421788 2620860 15.04 620192 4915948 23156 15:10:17 10755844 15394924 555676 3.39 178552 4491860 1102644 6.33 944284 4172600 25296 Average: 10595094 14637538 1317024 8.04 160614 3956824 1861752 10.69 782238 4544274 24226 14:50:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:00:14 lo 1.32 1.32 0.13 0.13 0.00 0.00 0.00 0.00 15:00:14 ens3 91.10 75.23 603.71 19.59 0.00 0.00 0.00 0.00 15:00:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:17 lo 1602.25 1602.25 1526.03 1526.03 0.00 0.00 0.00 0.00 15:10:17 ens3 86.29 65.70 427.79 35.01 0.00 0.00 0.00 0.00 15:10:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 806.43 806.43 767.51 767.51 0.00 0.00 0.00 0.00 Average: ens3 88.68 70.44 515.24 27.34 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-4022) 04/17/26 _x86_64_ (4 CPU) 14:43:47 LINUX RESTART (4 CPU) 14:50:17 CPU %user %nice %system %iowait %steal %idle 15:00:14 all 71.51 0.00 2.33 0.23 0.19 25.73 15:00:14 0 72.24 0.00 2.23 0.13 0.24 25.16 15:00:14 1 71.63 0.00 2.67 0.24 0.18 25.29 15:00:14 2 70.89 0.00 2.16 0.35 0.17 26.43 15:00:14 3 71.30 0.00 2.28 0.19 0.18 26.05 15:10:17 all 65.26 0.00 2.75 0.79 0.15 31.05 15:10:17 0 65.97 0.00 2.57 0.96 0.16 30.33 15:10:17 1 64.97 0.00 3.22 0.42 0.15 31.23 15:10:17 2 66.10 0.00 2.50 1.26 0.15 29.99 15:10:17 3 63.98 0.00 2.72 0.52 0.15 32.62 Average: all 68.37 0.00 2.54 0.51 0.17 28.40 Average: 0 69.09 0.00 2.40 0.55 0.20 27.76 Average: 1 68.28 0.00 2.95 0.33 0.17 28.28 Average: 2 68.48 0.00 2.33 0.81 0.16 28.22 Average: 3 67.62 0.00 2.50 0.35 0.17 29.36