---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-35851 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 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 765 5191 4 2277 7176 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:9d:7d:c0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.27/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84108sec preferred_lft 84108sec inet6 fe80::f816:3eff:fe9d:7dc0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-35851) 07/15/26 _x86_64_ (2 CPU) 00:39:56 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:38 29.90 6.09 21.53 2.28 611.65 8927.70 928.47 01:00:28 1.49 0.01 1.46 0.02 0.05 18.25 0.77 01:10:38 1.31 0.00 1.31 0.00 0.00 15.72 0.00 Average: 11.28 2.11 8.37 0.80 212.13 3107.11 322.23 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:38 5175832 7387292 379092 4.66 86388 2284640 648776 7.07 613180 2047480 124 01:00:28 5174900 7386912 379220 4.66 86588 2284996 648984 7.07 613660 2048036 168 01:10:38 5175404 7387920 378176 4.65 86740 2285348 649060 7.07 613800 2048540 124 Average: 5175379 7387375 378829 4.66 86572 2284995 648940 7.07 613547 2048019 139 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:38 lo 1.38 1.38 0.09 0.09 0.00 0.00 0.00 0.00 00:50:38 ens3 83.48 53.46 348.55 12.81 0.00 0.00 0.00 0.00 01:00:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:28 ens3 0.76 0.28 0.23 0.05 0.00 0.00 0.00 0.00 01:10:38 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:38 ens3 0.79 0.18 2.17 0.05 0.00 0.00 0.00 0.00 Average: lo 1.13 1.13 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 29.46 18.69 121.67 4.47 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-35851) 07/15/26 _x86_64_ (2 CPU) 00:39:56 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:38 all 11.73 0.00 2.07 0.88 0.06 85.26 00:50:38 0 11.23 0.00 2.25 0.63 0.06 85.83 00:50:38 1 12.23 0.00 1.89 1.13 0.07 84.69 01:00:28 all 0.38 0.00 0.22 0.02 0.05 99.33 01:00:28 0 0.40 0.00 0.23 0.01 0.05 99.31 01:00:28 1 0.36 0.00 0.22 0.03 0.05 99.35 01:10:38 all 0.42 0.00 0.13 0.01 0.04 99.39 01:10:38 0 0.45 0.00 0.12 0.00 0.03 99.40 01:10:38 1 0.39 0.00 0.15 0.01 0.05 99.39 Average: all 4.33 0.00 0.83 0.31 0.05 94.47 Average: 0 4.18 0.00 0.89 0.22 0.05 94.66 Average: 1 4.49 0.00 0.77 0.40 0.06 94.28