---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37745 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: 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 10G 68G 13% / 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 10814 4 4478 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:b9:de:d4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.26/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84287sec preferred_lft 84287sec inet6 fe80::f816:3eff:feb9:ded4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:8f:c3:32:e9:69 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-37745) 07/22/26 _x86_64_ (4 CPU) 09:48:12 LINUX RESTART (4 CPU) 09:50:22 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:00:17 10.18 0.93 8.85 0.41 33.03 1621.55 374.90 10:10:00 41.81 2.64 32.68 6.49 146.24 4098.73 27951.31 10:20:00 50.05 0.15 28.95 20.95 10.03 3637.26 245231.92 Average: 34.02 1.23 23.45 9.34 62.37 3114.49 92126.90 09:50:22 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:00:17 13042516 15506716 472892 2.89 94816 2563736 984752 5.65 299152 2698080 324 10:10:00 10400964 13843416 2114728 12.92 154924 3405756 2324532 13.34 590204 4990128 24608 10:20:00 11170824 15393920 558524 3.41 199944 4076828 1101276 6.32 818232 3911092 76 Average: 11538101 14914684 1048715 6.41 149895 3348773 1470187 8.44 569196 3866433 8336 09:50:22 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:00:17 lo 0.23 0.23 0.02 0.02 0.00 0.00 0.00 0.00 10:00:17 ens3 14.52 10.28 144.32 2.77 0.00 0.00 0.00 0.00 10:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:00 lo 3503.05 3503.05 3340.73 3340.73 0.00 0.00 0.00 0.00 10:10:00 ens3 151.29 114.64 800.60 27.62 0.00 0.00 0.00 0.00 10:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:00 lo 2746.49 2746.49 2610.18 2610.18 0.00 0.00 0.00 0.00 10:20:00 ens3 110.84 89.62 118.20 107.86 0.00 0.00 0.00 0.00 10:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2076.15 2076.15 1976.83 1976.83 0.00 0.00 0.00 0.00 Average: ens3 91.89 71.29 350.63 46.41 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-37745) 07/22/26 _x86_64_ (4 CPU) 09:48:12 LINUX RESTART (4 CPU) 09:50:22 CPU %user %nice %system %iowait %steal %idle 10:00:17 all 0.57 0.00 0.21 0.13 0.01 99.07 10:00:17 0 0.76 0.00 0.13 0.03 0.01 99.07 10:00:17 1 0.71 0.00 0.36 0.18 0.02 98.73 10:00:17 2 0.40 0.00 0.16 0.12 0.02 99.30 10:00:17 3 0.42 0.00 0.20 0.20 0.01 99.18 10:10:00 all 57.63 0.00 3.39 0.37 0.12 38.49 10:10:00 0 56.21 0.00 3.26 0.49 0.12 39.93 10:10:00 1 58.06 0.00 3.28 0.23 0.12 38.30 10:10:00 2 58.56 0.00 3.16 0.28 0.12 37.87 10:10:00 3 57.67 0.00 3.88 0.46 0.12 37.87 10:20:00 all 46.61 0.00 2.90 1.55 0.11 48.82 10:20:00 0 47.98 0.00 3.02 2.91 0.11 45.97 10:20:00 1 47.71 0.00 2.75 0.74 0.12 48.67 10:20:00 2 44.76 0.00 3.00 1.04 0.11 51.09 10:20:00 3 46.00 0.00 2.81 1.52 0.11 49.56 Average: all 34.78 0.00 2.16 0.69 0.08 62.29 Average: 0 34.83 0.00 2.13 1.15 0.08 61.81 Average: 1 35.32 0.00 2.12 0.39 0.08 62.09 Average: 2 34.41 0.00 2.10 0.49 0.08 62.92 Average: 3 34.55 0.00 2.29 0.73 0.08 62.36