---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7975 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 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 722 9973 4 5293 14924 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:d4:b9:18 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.5/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84645sec preferred_lft 84645sec inet6 fe80::f816:3eff:fed4:b918/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:91:0b:75:15:38 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-7975) 04/25/26 _x86_64_ (4 CPU) 12:55:19 LINUX RESTART (4 CPU) 13:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:11 49.84 0.84 31.65 17.35 409.45 4511.87 249971.97 13:20:11 51.77 0.01 40.34 11.42 0.05 2846.90 25753.82 Average: 50.79 0.42 35.96 14.40 206.31 3685.74 138718.53 13:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:11 8916984 13185944 2766980 16.90 177136 4159300 3083076 17.70 828608 6170676 112568 13:20:11 8685700 13272548 2676072 16.34 210460 4405008 3198748 18.36 912512 6277172 23576 Average: 8801342 13229246 2721526 16.62 193798 4282154 3140912 18.03 870560 6223924 68072 13:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:11 lo 2020.41 2020.41 1926.13 1926.13 0.00 0.00 0.00 0.00 13:10:11 ens3 97.59 71.69 442.56 19.19 0.00 0.00 0.00 0.00 13:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:11 lo 5164.36 5164.36 4923.81 4923.81 0.00 0.00 0.00 0.00 13:20:11 ens3 61.99 47.14 21.53 16.07 0.00 0.00 0.00 0.00 13:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3580.39 3580.39 3413.53 3413.53 0.00 0.00 0.00 0.00 Average: ens3 79.93 59.51 233.66 17.64 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-7975) 04/25/26 _x86_64_ (4 CPU) 12:55:19 LINUX RESTART (4 CPU) 13:00:01 CPU %user %nice %system %iowait %steal %idle 13:10:11 all 65.65 0.00 2.98 0.08 0.09 31.20 13:10:11 0 64.07 0.00 2.79 0.11 0.09 32.93 13:10:11 1 66.03 0.00 2.83 0.07 0.09 30.98 13:10:11 2 66.09 0.00 3.09 0.08 0.09 30.65 13:10:11 3 66.41 0.00 3.20 0.07 0.09 30.23 13:20:11 all 63.17 0.00 3.96 0.09 0.09 32.69 13:20:11 0 62.88 0.00 3.61 0.14 0.09 33.28 13:20:11 1 63.24 0.00 3.98 0.06 0.09 32.64 13:20:11 2 63.53 0.00 4.25 0.08 0.09 32.06 13:20:11 3 63.04 0.00 3.99 0.09 0.09 32.79 Average: all 64.42 0.00 3.46 0.09 0.09 31.94 Average: 0 63.48 0.00 3.20 0.12 0.09 33.11 Average: 1 64.65 0.00 3.40 0.07 0.09 31.80 Average: 2 64.82 0.00 3.66 0.08 0.09 31.35 Average: 3 64.74 0.00 3.59 0.08 0.09 31.49