---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19448 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 7.9G 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 751 5219 4 2262 7189 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:23:05:56 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.146/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83917sec preferred_lft 83917sec inet6 fe80::f816:3eff:fe23:556/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19448) 05/24/26 _x86_64_ (2 CPU) 00:15:38 LINUX RESTART (2 CPU) 00:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:11 1.43 0.02 1.39 0.02 1.22 18.09 857.34 00:40:01 23.78 3.07 18.38 2.33 231.95 3487.05 1350.34 00:50:01 1.80 0.25 1.53 0.03 31.02 80.05 0.96 Average: 8.89 1.10 7.01 0.78 86.83 1176.75 733.93 00:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:11 6288288 7539112 281332 3.46 30696 1425760 530212 5.78 438668 1187412 212 00:40:01 5240240 7407736 360520 4.43 85552 2242932 632728 6.89 590716 2013884 128 00:50:01 5128200 7323604 444444 5.47 85856 2270568 874972 9.53 635568 2033060 240 Average: 5552243 7423484 362099 4.45 67368 1979753 679304 7.40 554984 1744785 193 00:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:11 ens3 0.99 0.08 0.16 0.06 0.00 0.00 0.00 0.00 00:40:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 62.18 44.13 320.69 11.87 0.00 0.00 0.00 0.00 00:50:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 11.76 8.97 75.34 0.94 0.00 0.00 0.00 0.00 Average: lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 24.65 17.49 130.34 4.23 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19448) 05/24/26 _x86_64_ (2 CPU) 00:15:38 LINUX RESTART (2 CPU) 00:20:01 CPU %user %nice %system %iowait %steal %idle 00:30:11 all 0.29 0.00 0.17 0.02 0.04 99.49 00:30:11 0 0.30 0.00 0.16 0.00 0.04 99.50 00:30:11 1 0.27 0.00 0.17 0.03 0.04 99.49 00:40:01 all 11.70 0.00 1.72 0.73 0.07 85.77 00:40:01 0 10.00 0.00 1.57 0.62 0.07 87.74 00:40:01 1 13.41 0.00 1.88 0.84 0.06 83.81 00:50:01 all 0.95 0.00 0.23 0.03 0.09 98.71 00:50:01 0 0.62 0.00 0.14 0.03 0.06 99.15 00:50:01 1 1.29 0.00 0.31 0.03 0.11 98.26 Average: all 4.25 0.00 0.70 0.25 0.06 94.73 Average: 0 3.59 0.00 0.62 0.21 0.06 95.53 Average: 1 4.92 0.00 0.78 0.29 0.07 93.93