---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9892 5.15.0-153-generic #163-Ubuntu SMP Thu Aug 7 16:37:18 UTC 2025 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 disabled; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: 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 68G 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 615 10646 4 4727 15031 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:e9:ec:75 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.163/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84084sec preferred_lft 84084sec inet6 fe80::f816:3eff:fee9:ec75/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:f3:ba:d6:10:c9 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 5.15.0-153-generic (prd-ubuntu2204-docker-4c-4g-9892) 11/14/25 _x86_64_ (4 CPU) 00:05:14 LINUX RESTART (4 CPU) 00:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:07 16.14 0.58 5.05 10.51 471.30 650.99 246790.04 00:30:07 1.26 0.01 1.26 0.00 0.04 14.83 173.23 00:40:02 38.06 3.37 33.85 0.83 219.70 4647.06 1750.33 Average: 18.42 1.31 13.30 3.81 231.14 1758.78 83666.39 00:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:07 13460244 15525340 488520 2.98 58828 2230484 1134404 6.51 407636 2247824 32 00:30:07 13459548 15525180 488692 2.98 59240 2230600 1133360 6.51 408052 2248312 204 00:40:02 10616100 14039264 1920100 11.73 146544 3395788 2206448 12.66 703832 4652260 68132 Average: 12511964 15029928 965771 5.90 88204 2618957 1491404 8.56 506507 3049465 22789 00:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:07 lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 00:20:07 ens3 12.01 7.53 164.61 0.54 0.00 0.00 0.00 0.00 00:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:07 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 00:30:07 ens3 0.36 0.11 0.08 0.04 0.00 0.00 0.00 0.00 00:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:40:02 lo 0.32 0.32 0.03 0.03 0.00 0.00 0.00 0.00 00:40:02 ens3 105.32 79.61 701.33 16.82 0.00 0.00 0.00 0.00 00:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.19 0.19 0.02 0.02 0.00 0.00 0.00 0.00 Average: ens3 38.95 28.86 287.04 5.75 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 5.15.0-153-generic (prd-ubuntu2204-docker-4c-4g-9892) 11/14/25 _x86_64_ (4 CPU) 00:05:14 LINUX RESTART (4 CPU) 00:10:01 CPU %user %nice %system %iowait %steal %idle 00:20:07 all 0.58 0.00 0.22 0.15 0.02 99.03 00:20:07 0 0.32 0.00 0.41 0.04 0.02 99.20 00:20:07 1 0.48 0.00 0.16 0.05 0.01 99.30 00:20:07 2 0.86 0.00 0.12 0.29 0.03 98.69 00:20:07 3 0.66 0.00 0.19 0.20 0.02 98.93 00:30:07 all 0.19 0.00 0.02 0.01 0.02 99.76 00:30:07 0 0.04 0.00 0.01 0.01 0.01 99.93 00:30:07 1 0.01 0.00 0.01 0.00 0.01 99.97 00:30:07 2 0.31 0.00 0.03 0.01 0.03 99.62 00:30:07 3 0.42 0.00 0.02 0.02 0.02 99.52 00:40:02 all 22.17 0.00 0.95 0.26 0.04 76.57 00:40:02 0 23.60 0.00 0.96 0.28 0.04 75.12 00:40:02 1 20.60 0.00 0.95 0.39 0.04 78.03 00:40:02 2 22.82 0.00 0.92 0.29 0.05 75.92 00:40:02 3 21.67 0.00 0.96 0.10 0.05 77.22 Average: all 7.58 0.00 0.39 0.14 0.03 91.86 Average: 0 7.91 0.00 0.46 0.11 0.03 91.49 Average: 1 6.97 0.00 0.37 0.14 0.02 92.50 Average: 2 7.92 0.00 0.35 0.20 0.04 91.49 Average: 3 7.51 0.00 0.39 0.11 0.03 91.96