---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2235 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 8.0G 30G 22% / 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 803 5134 4 2293 7138 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:48:8d:16 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.67/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85052sec preferred_lft 85052sec inet6 fe80::f816:3eff:fe48:8d16/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2235) 04/12/26 _x86_64_ (2 CPU) 03:08:47 LINUX RESTART (2 CPU) 03:10:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:20:11 15.45 1.62 12.13 1.70 122.85 2421.90 867.74 03:30:01 3.43 0.37 2.52 0.53 41.54 284.80 2093.48 Average: 9.53 1.01 7.40 1.12 82.81 1369.54 1471.33 03:10:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:20:11 5285844 7378492 393896 4.84 84000 2173268 705548 7.68 626788 1942368 528 03:30:01 5189368 7275668 504328 6.20 85340 2172848 902408 9.83 722388 1931872 117884 Average: 5237606 7327080 449112 5.52 84670 2173058 803978 8.76 674588 1937120 59206 03:10:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:20:11 lo 1.20 1.20 0.07 0.07 0.00 0.00 0.00 0.00 03:20:11 ens3 101.16 82.44 117.47 14.31 0.00 0.00 0.00 0.00 03:30:01 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 112.93 108.33 47.82 30.82 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 106.96 95.19 83.17 22.44 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2235) 04/12/26 _x86_64_ (2 CPU) 03:08:47 LINUX RESTART (2 CPU) 03:10:03 CPU %user %nice %system %iowait %steal %idle 03:20:11 all 9.95 0.00 1.45 0.23 0.06 88.31 03:20:11 0 11.59 0.00 1.52 0.26 0.07 86.56 03:20:11 1 8.31 0.00 1.39 0.19 0.05 90.05 03:30:01 all 11.07 0.00 1.34 0.04 0.09 87.46 03:30:01 0 9.81 0.00 1.26 0.02 0.09 88.82 03:30:01 1 12.32 0.00 1.43 0.06 0.09 86.10 Average: all 10.50 0.00 1.40 0.13 0.07 87.89 Average: 0 10.71 0.00 1.39 0.14 0.08 87.67 Average: 1 10.28 0.00 1.41 0.13 0.07 88.11