---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6466 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 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): 2 On-line CPU(s) list: 0,1 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): 2 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: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: 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: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl 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 Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 7.9G 30G 21% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 753 5220 4 2265 7188 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 noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:ff:52:cf brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.99/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 3948sec preferred_lft 3948sec inet6 fe80::f816:3eff:feff:52cf/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6466) 04/23/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:20 1.83 0.01 1.80 0.02 0.79 21.35 210.04 00:20:19 1.76 0.11 1.62 0.04 3.05 23.39 375.69 00:30:01 1.78 0.00 1.76 0.01 0.00 19.48 223.48 00:40:19 21.43 2.91 16.37 2.15 218.73 3042.72 482.12 00:50:19 1.65 0.00 1.65 0.01 0.00 23.35 0.05 Average: 5.79 0.62 4.71 0.46 45.62 641.31 259.60 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:20 6123296 7524452 284328 3.50 55080 1541928 532840 5.80 477196 1311736 124 00:20:19 6135564 7496572 312152 3.84 55196 1501612 530584 5.78 475608 1271320 208 00:30:01 6141084 7502516 306156 3.76 55280 1501936 530720 5.78 475644 1271728 120 00:40:19 5212880 7401632 359576 4.42 104040 2239952 629876 6.86 601068 2013520 404 00:50:19 5137112 7327776 433528 5.33 104140 2241816 667868 7.27 631448 2015492 132 Average: 5749987 7450590 339148 4.17 74747 1805449 578378 6.30 532193 1576759 198 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:20 ens3 0.19 0.05 0.07 0.03 0.00 0.00 0.00 0.00 00:20:19 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:19 ens3 0.14 0.05 0.04 0.02 0.00 0.00 0.00 0.00 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 0.49 0.12 0.17 0.10 0.00 0.00 0.00 0.00 00:40:19 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:19 ens3 62.51 42.61 290.43 11.38 0.00 0.00 0.00 0.00 00:50:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:19 ens3 13.31 10.01 72.34 1.43 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 15.63 10.77 73.99 2.64 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6466) 04/23/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:20 all 0.26 0.00 0.10 0.01 0.03 99.60 00:10:20 0 0.47 0.00 0.06 0.01 0.02 99.44 00:10:20 1 0.06 0.00 0.13 0.00 0.05 99.77 00:20:19 all 0.63 0.00 0.23 0.01 0.04 99.09 00:20:19 0 0.61 0.00 0.24 0.02 0.03 99.10 00:20:19 1 0.65 0.00 0.21 0.00 0.05 99.09 00:30:01 all 0.27 0.00 0.15 0.01 0.04 99.53 00:30:01 0 0.26 0.00 0.15 0.02 0.03 99.54 00:30:01 1 0.29 0.00 0.15 0.01 0.04 99.51 00:40:19 all 10.48 0.00 1.59 0.50 0.06 87.36 00:40:19 0 8.48 0.00 1.48 0.25 0.06 89.73 00:40:19 1 12.48 0.00 1.71 0.75 0.06 85.00 00:50:19 all 0.80 0.00 0.19 0.01 0.08 98.92 00:50:19 0 0.62 0.00 0.22 0.01 0.11 99.03 00:50:19 1 0.97 0.00 0.15 0.01 0.06 98.80 Average: all 2.54 0.00 0.46 0.11 0.05 96.84 Average: 0 2.13 0.00 0.44 0.06 0.05 97.32 Average: 1 2.95 0.00 0.48 0.16 0.05 96.36