---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53403 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 16% / 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 650 9002 4 6336 14996 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:21:4c:39 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.136/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83861sec preferred_lft 83861sec inet6 fe80::f816:3eff:fe21:4c39/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:5c:12:25:14:b2 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-53403) 03/27/26 _x86_64_ (4 CPU) 05:23:30 LINUX RESTART (4 CPU) 05:30:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:08 27.88 3.02 22.12 2.75 164.49 3817.99 4729.84 05:50:20 25.70 0.01 23.13 2.55 0.17 2223.89 7900.90 06:00:20 18.55 0.03 17.02 1.50 0.40 5196.76 6296.54 Average: 24.03 1.00 20.76 2.27 53.86 3735.63 6331.10 05:30:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:08 10053232 13442604 2516484 15.37 137788 3384092 2609060 14.98 647284 5291424 18144 05:50:20 8501364 12483836 3471436 21.20 159696 3912336 3504084 20.11 791792 6648288 198120 06:00:20 6947900 13048012 2900040 17.71 178260 5940288 2890048 16.59 1531412 7388144 949688 Average: 8500832 12991484 2962653 18.09 158581 4412239 3001064 17.23 990163 6442619 388651 05:30:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:08 lo 1521.14 1521.14 1443.82 1443.82 0.00 0.00 0.00 0.00 05:40:08 ens3 111.74 87.68 960.54 19.54 0.00 0.00 0.00 0.00 05:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:20 lo 1077.63 1077.63 1026.44 1026.44 0.00 0.00 0.00 0.00 05:50:20 ens3 23.19 20.18 20.11 8.91 0.00 0.00 0.00 0.00 05:50:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:20 lo 737.32 737.32 7308.36 7308.36 0.00 0.00 0.00 0.00 06:00:20 ens3 29.40 25.70 115.87 9.12 0.00 0.00 0.00 0.00 06:00:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1108.83 1108.83 3257.97 3257.97 0.00 0.00 0.00 0.00 Average: ens3 54.15 44.04 358.90 12.45 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-53403) 03/27/26 _x86_64_ (4 CPU) 05:23:30 LINUX RESTART (4 CPU) 05:30:20 CPU %user %nice %system %iowait %steal %idle 05:40:08 all 55.67 0.00 2.48 0.21 0.11 41.54 05:40:08 0 55.73 0.00 2.23 0.28 0.11 41.65 05:40:08 1 56.24 0.00 2.74 0.34 0.11 40.56 05:40:08 2 55.18 0.00 2.66 0.14 0.12 41.90 05:40:08 3 55.50 0.00 2.28 0.07 0.11 42.03 05:50:20 all 66.07 0.00 2.59 0.09 0.11 31.13 05:50:20 0 66.84 0.00 2.48 0.13 0.11 30.44 05:50:20 1 65.14 0.00 2.61 0.10 0.11 32.04 05:50:20 2 65.03 0.00 2.72 0.09 0.12 32.05 05:50:20 3 67.27 0.00 2.55 0.06 0.11 29.99 06:00:20 all 46.32 0.00 1.92 0.14 0.10 51.52 06:00:20 0 45.66 0.00 2.18 0.09 0.10 51.97 06:00:20 1 43.80 0.00 1.98 0.20 0.10 53.91 06:00:20 2 43.33 0.00 1.79 0.18 0.10 54.60 06:00:20 3 52.48 0.00 1.73 0.09 0.10 45.60 Average: all 56.09 0.00 2.33 0.15 0.11 41.33 Average: 0 56.15 0.00 2.30 0.16 0.11 41.28 Average: 1 55.12 0.00 2.44 0.21 0.11 42.12 Average: 2 54.58 0.00 2.39 0.14 0.11 42.79 Average: 3 58.50 0.00 2.19 0.07 0.11 39.13