---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22302 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: 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 648 8722 4 6617 14997 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:d5:3b:d0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.76/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84485sec preferred_lft 84485sec inet6 fe80::f816:3eff:fed5:3bd0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:48:90:d2:6f:e5 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 inet6 fe80::8448:90ff:fed2:6fe5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-22302) 06/01/26 _x86_64_ (4 CPU) 17:24:40 LINUX RESTART (4 CPU) 17:30:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:40:12 42.51 0.15 25.49 16.87 6.26 2647.62 244632.78 17:50:15 27.60 0.05 24.81 2.75 1.67 6195.13 103496.28 Average: 35.03 0.10 25.15 9.78 3.96 4427.87 173806.27 17:30:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:40:12 9012004 13074216 2879544 17.59 164264 3976660 3055168 17.54 880176 6024024 16328 17:50:15 6012156 11627104 4317940 26.37 199284 5390652 4460532 25.60 1053560 8744020 278776 Average: 7512080 12350660 3598742 21.98 181774 4683656 3757850 21.57 966868 7384022 147552 17:30:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:40:12 lo 1496.48 1496.48 1426.64 1426.64 0.00 0.00 0.00 0.00 17:40:12 ens3 31.38 25.83 76.86 7.47 0.00 0.00 0.00 0.00 17:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:15 lo 476.94 476.94 453.62 453.62 0.00 0.00 0.00 0.00 17:50:15 ens3 46.17 39.82 229.51 10.36 0.00 0.00 0.00 0.00 17:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 984.85 984.85 938.35 938.35 0.00 0.00 0.00 0.00 Average: ens3 38.80 32.85 153.46 8.92 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-22302) 06/01/26 _x86_64_ (4 CPU) 17:24:40 LINUX RESTART (4 CPU) 17:30:13 CPU %user %nice %system %iowait %steal %idle 17:40:12 all 60.73 0.00 2.40 0.40 0.12 36.35 17:40:12 0 60.41 0.00 2.39 0.28 0.11 36.81 17:40:12 1 58.24 0.00 2.38 0.83 0.12 38.42 17:40:12 2 62.58 0.00 2.47 0.20 0.12 34.63 17:40:12 3 61.68 0.00 2.35 0.31 0.11 35.56 17:50:15 all 60.14 0.00 2.10 0.17 0.10 37.49 17:50:15 0 61.57 0.00 2.21 0.15 0.10 35.97 17:50:15 1 58.78 0.00 2.13 0.10 0.10 38.89 17:50:15 2 58.92 0.00 2.06 0.18 0.10 38.75 17:50:15 3 61.30 0.00 1.99 0.27 0.10 36.35 Average: all 60.43 0.00 2.25 0.29 0.11 36.92 Average: 0 60.99 0.00 2.30 0.21 0.11 36.39 Average: 1 58.52 0.00 2.25 0.46 0.11 38.66 Average: 2 60.74 0.00 2.26 0.19 0.11 36.70 Average: 3 61.49 0.00 2.17 0.29 0.11 35.95