---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-64999 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 847 5082 4 2301 7094 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:9b:3e:d0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.83/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83456sec preferred_lft 83456sec inet6 fe80::f816:3eff:fe9b:3ed0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-64999) 04/01/26 _x86_64_ (2 CPU) 03:03:21 LINUX RESTART (2 CPU) 03:10:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:20:01 1.41 0.01 1.37 0.02 0.56 115.85 1.28 03:30:13 2.05 0.31 1.69 0.05 38.24 158.04 1.75 03:40:13 1.42 0.01 1.39 0.02 1.25 32.91 1.35 03:50:01 1.41 0.00 1.39 0.02 0.00 23.79 1.23 Average: 1.57 0.09 1.46 0.03 10.26 83.18 1.40 03:10:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:20:01 5257020 7362236 409792 5.04 84096 2185988 709032 7.72 629252 1955080 296 03:30:13 5172664 7332556 438216 5.39 84376 2239720 913260 9.95 653720 1998028 188 03:40:13 5188892 7354404 416540 5.12 84540 2245104 692556 7.54 649184 2003264 172 03:50:01 5185884 7353864 417060 5.13 84732 2247340 692556 7.54 649152 2005700 240 Average: 5201115 7350765 420402 5.17 84436 2229538 751851 8.19 645327 1990518 224 03:10:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 21.35 20.03 15.60 1.76 0.00 0.00 0.00 0.00 03:30:13 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:30:13 ens3 13.83 13.79 14.88 1.17 0.00 0.00 0.00 0.00 03:40:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:13 ens3 24.42 24.06 5.17 1.82 0.00 0.00 0.00 0.00 03:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:01 ens3 12.06 11.92 2.46 0.84 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 17.91 17.45 9.56 1.40 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-64999) 04/01/26 _x86_64_ (2 CPU) 03:03:21 LINUX RESTART (2 CPU) 03:10:13 CPU %user %nice %system %iowait %steal %idle 03:20:01 all 4.87 0.00 0.73 0.01 0.06 94.34 03:20:01 0 5.16 0.00 0.76 0.01 0.06 94.01 03:20:01 1 4.57 0.00 0.69 0.01 0.06 94.66 03:30:13 all 4.09 0.00 0.69 0.05 0.10 95.07 03:30:13 0 5.04 0.00 0.75 0.02 0.08 94.10 03:30:13 1 3.14 0.00 0.62 0.09 0.12 96.04 03:40:13 all 2.37 0.00 0.42 0.01 0.07 97.13 03:40:13 0 1.99 0.00 0.32 0.01 0.07 97.61 03:40:13 1 2.75 0.00 0.52 0.01 0.07 96.65 03:50:01 all 1.21 0.00 0.23 0.01 0.06 98.49 03:50:01 0 1.02 0.00 0.17 0.01 0.06 98.74 03:50:01 1 1.40 0.00 0.29 0.01 0.06 98.24 Average: all 3.14 0.00 0.52 0.02 0.07 96.25 Average: 0 3.32 0.00 0.50 0.01 0.07 96.10 Average: 1 2.96 0.00 0.53 0.03 0.08 96.40