---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3103 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: 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 12G 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 738 9337 4 5912 14907 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:68:6d:f5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.73/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83840sec preferred_lft 83840sec inet6 fe80::f816:3eff:fe68:6df5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:27:7e:57:9e:bd 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-3103) 04/15/26 _x86_64_ (4 CPU) 20:25:39 LINUX RESTART (4 CPU) 20:30:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:03 29.17 2.63 11.90 14.64 357.53 3088.86 252290.64 20:50:25 60.63 11.78 40.65 8.20 135.94 4635.84 19492.97 21:00:01 44.99 0.00 37.03 7.96 0.07 3053.08 17734.00 Average: 45.32 4.98 30.12 10.22 163.97 3619.08 94671.35 20:30:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:03 10515876 13831616 2129124 13.00 138872 3312060 2444988 14.03 614340 4877596 48004 20:50:25 8615776 13077036 2872424 17.54 199500 4284420 3091244 17.74 907428 6350904 27720 21:00:01 8151140 13134096 2810776 17.17 238580 4721396 2849936 16.36 1028456 6605204 60944 Average: 9094264 13347583 2604108 15.90 192317 4105959 2795389 16.05 850075 5944568 45556 20:30:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:03 lo 1.12 1.12 0.11 0.11 0.00 0.00 0.00 0.00 20:40:03 ens3 90.03 73.02 612.89 17.57 0.00 0.00 0.00 0.00 20:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:25 lo 3925.46 3925.46 3743.22 3743.22 0.00 0.00 0.00 0.00 20:50:25 ens3 101.00 71.11 311.53 21.03 0.00 0.00 0.00 0.00 20:50:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:01 lo 4656.61 4656.61 4440.25 4440.25 0.00 0.00 0.00 0.00 21:00:01 ens3 89.45 66.62 94.46 21.64 0.00 0.00 0.00 0.00 21:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2885.70 2885.70 2751.36 2751.36 0.00 0.00 0.00 0.00 Average: ens3 93.69 70.27 339.18 20.10 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-3103) 04/15/26 _x86_64_ (4 CPU) 20:25:39 LINUX RESTART (4 CPU) 20:30:25 CPU %user %nice %system %iowait %steal %idle 20:40:03 all 50.46 0.00 1.76 1.29 0.08 46.41 20:40:03 0 49.20 0.00 1.84 0.61 0.09 48.27 20:40:03 1 51.56 0.00 1.75 0.52 0.08 46.09 20:40:03 2 50.41 0.00 1.84 0.74 0.08 46.92 20:40:03 3 50.68 0.00 1.60 3.29 0.08 44.36 20:50:25 all 65.26 0.07 3.66 0.09 0.10 30.83 20:50:25 0 65.90 0.12 3.46 0.10 0.10 30.32 20:50:25 1 64.17 0.09 3.48 0.10 0.10 32.06 20:50:25 2 65.80 0.00 4.05 0.09 0.10 29.97 20:50:25 3 65.16 0.06 3.64 0.08 0.10 30.96 21:00:01 all 63.31 0.00 3.90 0.38 0.10 32.30 21:00:01 0 64.79 0.00 4.45 0.13 0.10 30.53 21:00:01 1 63.41 0.00 3.82 0.67 0.10 31.99 21:00:01 2 63.24 0.00 3.65 0.30 0.10 32.71 21:00:01 3 61.81 0.00 3.69 0.42 0.10 33.98 Average: all 59.81 0.02 3.12 0.58 0.09 36.38 Average: 0 60.10 0.04 3.25 0.28 0.09 36.23 Average: 1 59.82 0.03 3.03 0.42 0.10 36.60 Average: 2 59.95 0.00 3.20 0.37 0.09 36.38 Average: 3 59.36 0.02 2.99 1.24 0.09 36.30