---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2428 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: 5599.86 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 817 5105 4 2307 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:8c:91:c9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.66/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83450sec preferred_lft 83450sec inet6 fe80::f816:3eff:fe8c:91c9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2428) 04/13/26 _x86_64_ (2 CPU) 02:56:58 LINUX RESTART (2 CPU) 03:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:02 10.02 1.23 7.79 0.99 106.42 1216.63 678.25 03:20:02 1.36 0.01 1.33 0.02 0.07 115.63 1.32 03:30:01 1.46 0.01 1.42 0.04 0.20 66.39 1.31 03:40:02 1.56 0.00 1.52 0.04 0.00 31.66 0.79 Average: 3.60 0.31 3.02 0.27 26.71 358.00 170.68 03:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:02 5273240 7399400 372244 4.58 84228 2206088 695848 7.58 613144 1964200 2492 03:20:02 5213324 7368220 403088 4.96 84412 2234496 725568 7.90 642768 1992800 760 03:30:01 5187136 7356664 414324 5.09 84588 2248748 701392 7.64 643132 2007224 340 03:40:02 5186804 7360648 410328 5.05 84796 2252796 700556 7.63 642468 2011484 236 Average: 5215126 7371233 399996 4.92 84506 2235532 705841 7.69 635378 1993927 957 03:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:02 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 03:10:02 ens3 95.56 75.39 56.27 12.71 0.00 0.00 0.00 0.00 03:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:02 ens3 10.12 10.32 12.76 0.91 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 13.66 13.24 10.20 1.19 0.00 0.00 0.00 0.00 03:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:02 ens3 26.04 25.50 5.91 1.78 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 36.38 31.14 21.30 4.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2428) 04/13/26 _x86_64_ (2 CPU) 02:56:58 LINUX RESTART (2 CPU) 03:00:01 CPU %user %nice %system %iowait %steal %idle 03:10:02 all 7.29 0.00 1.27 0.13 0.07 91.24 03:10:02 0 4.73 0.00 0.89 0.10 0.06 94.22 03:10:02 1 9.86 0.00 1.65 0.16 0.08 88.26 03:20:02 all 4.09 0.00 0.59 0.01 0.08 95.23 03:20:02 0 4.87 0.00 0.59 0.01 0.08 94.44 03:20:02 1 3.31 0.00 0.59 0.01 0.09 96.01 03:30:01 all 3.39 0.00 0.55 0.01 0.08 95.97 03:30:01 0 3.26 0.00 0.50 0.01 0.08 96.16 03:30:01 1 3.53 0.00 0.60 0.01 0.09 95.78 03:40:02 all 1.54 0.00 0.35 0.01 0.08 98.03 03:40:02 0 1.33 0.00 0.33 0.01 0.07 98.26 03:40:02 1 1.74 0.00 0.37 0.01 0.09 97.80 Average: all 4.08 0.00 0.69 0.04 0.08 95.12 Average: 0 3.55 0.00 0.58 0.03 0.07 95.77 Average: 1 4.61 0.00 0.80 0.05 0.08 94.46