---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-21178 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 8.1G 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 817 4944 4 2479 7124 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:5b:1c:da brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.101/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84494sec preferred_lft 84494sec inet6 fe80::f816:3eff:fe5b:1cda/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-21178) 05/29/26 _x86_64_ (2 CPU) 08:27:58 LINUX RESTART (2 CPU) 08:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:40:01 12.79 1.74 9.69 1.37 126.95 1910.24 295.84 08:50:11 1.37 0.01 1.36 0.00 0.05 33.43 0.35 Average: 7.04 0.87 5.49 0.68 63.02 964.75 146.98 08:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:01 5214772 7411876 355812 4.38 86220 2271636 620100 6.75 595200 2033816 292 08:50:11 5208976 7411816 355672 4.37 86380 2277216 620164 6.75 595420 2039560 428 Average: 5211874 7411846 355742 4.37 86300 2274426 620132 6.75 595310 2036688 360 08:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:40:01 lo 1.22 1.22 0.07 0.07 0.00 0.00 0.00 0.00 08:40:01 ens3 8.49 5.90 36.09 1.77 0.00 0.00 0.00 0.00 08:50:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 08:50:11 ens3 0.90 0.56 0.17 0.15 0.00 0.00 0.00 0.00 Average: lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 4.66 3.21 17.99 0.95 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-21178) 05/29/26 _x86_64_ (2 CPU) 08:27:58 LINUX RESTART (2 CPU) 08:30:01 CPU %user %nice %system %iowait %steal %idle 08:40:01 all 7.60 0.00 0.92 0.24 0.06 91.19 08:40:01 0 3.34 0.00 0.71 0.33 0.04 95.58 08:40:01 1 11.86 0.00 1.13 0.15 0.07 86.80 08:50:11 all 1.60 0.00 0.17 0.01 0.06 98.16 08:50:11 0 1.28 0.00 0.13 0.01 0.04 98.53 08:50:11 1 1.93 0.00 0.21 0.01 0.07 97.79 Average: all 4.58 0.00 0.54 0.12 0.06 94.70 Average: 0 2.30 0.00 0.42 0.17 0.04 97.07 Average: 1 6.86 0.00 0.66 0.08 0.07 92.33