---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10288 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 816 5046 4 2375 7125 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:9c:ba:d1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.136/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84403sec preferred_lft 84403sec inet6 fe80::f816:3eff:fe9c:bad1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10288) 05/02/26 _x86_64_ (2 CPU) 03:08:02 LINUX RESTART (2 CPU) 03:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:20:01 10.84 1.26 8.25 1.33 109.26 1501.63 321.41 03:30:02 1.54 0.01 1.51 0.03 0.05 37.26 1.13 03:40:01 1.60 0.04 1.48 0.08 1.43 47.13 40.20 Average: 4.66 0.44 3.75 0.48 36.92 528.69 120.90 03:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:20:01 5305484 7398104 374088 4.60 83836 2173372 610572 6.65 589460 1942400 580 03:30:02 5293432 7391940 380004 4.67 83976 2179120 610640 6.65 589724 1948288 408 03:40:01 5216924 7339796 432056 5.31 84264 2203132 637868 6.95 638992 1972316 28068 Average: 5271947 7376613 395383 4.86 84025 2185208 619693 6.75 606059 1954335 9685 03:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:20:01 lo 1.17 1.17 0.07 0.07 0.00 0.00 0.00 0.00 03:20:01 ens3 7.37 5.71 35.69 1.68 0.00 0.00 0.00 0.00 03:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:02 ens3 1.41 0.87 0.32 0.26 0.00 0.00 0.00 0.00 03:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:40:01 ens3 5.39 3.88 8.63 8.95 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 4.72 3.48 14.88 3.62 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10288) 05/02/26 _x86_64_ (2 CPU) 03:08:02 LINUX RESTART (2 CPU) 03:10:01 CPU %user %nice %system %iowait %steal %idle 03:20:01 all 7.12 0.00 0.89 0.17 0.05 91.77 03:20:01 0 5.80 0.00 0.85 0.22 0.05 93.08 03:20:01 1 8.44 0.00 0.92 0.12 0.05 90.47 03:30:02 all 1.72 0.00 0.26 0.01 0.04 97.97 03:30:02 0 1.51 0.00 0.25 0.01 0.04 98.19 03:30:02 1 1.92 0.00 0.28 0.00 0.04 97.75 03:40:01 all 1.86 0.00 0.22 0.01 0.05 97.86 03:40:01 0 1.28 0.00 0.19 0.01 0.05 98.47 03:40:01 1 2.44 0.00 0.26 0.01 0.05 97.24 Average: all 3.57 0.00 0.46 0.06 0.05 95.87 Average: 0 2.86 0.00 0.43 0.08 0.04 96.58 Average: 1 4.27 0.00 0.49 0.04 0.05 95.15