---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20957 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 706 10266 4 5016 14940 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:83:a9:40 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.154/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84830sec preferred_lft 84830sec inet6 fe80::f816:3eff:fe83:a940/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:3a:4b:51:50:ed 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-20957) 05/28/26 _x86_64_ (4 CPU) 10:54:20 LINUX RESTART (4 CPU) 11:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:10:10 11.07 0.46 9.48 1.12 18.15 2277.77 2552.90 11:20:00 29.55 0.75 24.21 4.59 26.69 3806.02 2881.22 Average: 20.22 0.60 16.78 2.84 22.38 3034.84 2715.54 11:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:10 9355236 13202116 2754340 16.82 149084 3787188 3122400 17.92 784636 5811612 18060 11:20:00 10557968 15337268 612644 3.74 178416 4630516 1139508 6.54 1043220 4280720 11480 Average: 9956602 14269692 1683492 10.28 163750 4208852 2130954 12.23 913928 5046166 14770 11:00:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:10 lo 1.43 1.43 0.14 0.14 0.00 0.00 0.00 0.00 11:10:10 ens3 64.98 51.44 100.65 17.03 0.00 0.00 0.00 0.00 11:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:00 lo 1709.67 1709.67 1616.54 1616.54 0.00 0.00 0.00 0.00 11:20:00 ens3 134.58 117.33 425.29 195.59 0.00 0.00 0.00 0.00 11:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 847.65 847.65 800.87 800.87 0.00 0.00 0.00 0.00 Average: ens3 99.46 84.08 261.47 105.49 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-20957) 05/28/26 _x86_64_ (4 CPU) 10:54:20 LINUX RESTART (4 CPU) 11:00:10 CPU %user %nice %system %iowait %steal %idle 11:10:10 all 72.21 0.00 2.30 0.03 0.13 25.34 11:10:10 0 71.05 0.00 2.15 0.03 0.13 26.64 11:10:10 1 72.75 0.00 2.42 0.04 0.13 24.67 11:10:10 2 71.56 0.00 2.33 0.03 0.13 25.95 11:10:10 3 73.46 0.00 2.31 0.03 0.13 24.07 11:20:00 all 45.85 0.00 2.26 0.09 0.10 51.69 11:20:00 0 43.61 0.00 2.25 0.10 0.10 53.94 11:20:00 1 44.34 0.00 2.22 0.06 0.10 53.28 11:20:00 2 45.59 0.00 2.42 0.07 0.11 51.82 11:20:00 3 49.88 0.00 2.17 0.14 0.10 47.70 Average: all 59.17 0.00 2.28 0.06 0.11 38.37 Average: 0 57.47 0.00 2.20 0.06 0.11 40.15 Average: 1 58.68 0.00 2.32 0.05 0.11 38.84 Average: 2 58.72 0.00 2.37 0.05 0.12 38.74 Average: 3 61.80 0.00 2.24 0.08 0.11 35.76