---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-23797 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: 5600.00 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 789 5073 4 2371 7152 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:a9:3e:d6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.171/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84309sec preferred_lft 84309sec inet6 fe80::f816:3eff:fea9:3ed6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23797) 06/05/26 _x86_64_ (2 CPU) 00:39:14 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:02 23.46 1.99 19.08 2.38 164.60 3647.67 926.88 01:00:02 1.72 0.01 1.68 0.03 1.11 105.69 0.95 01:10:03 1.31 0.00 1.30 0.01 0.00 59.39 0.28 Average: 8.83 0.67 7.36 0.81 55.25 1271.27 309.46 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:02 5153916 7357068 411024 5.05 85540 2278680 921280 10.03 628648 2040736 2512 01:00:02 5140200 7371212 396384 4.87 85732 2306008 732664 7.98 629920 2067920 3684 01:10:03 5129768 7371464 395920 4.87 85872 2316392 766056 8.34 630056 2078452 904 Average: 5141295 7366581 401109 4.93 85715 2300360 806667 8.79 629541 2062369 2367 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:02 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:50:02 ens3 95.71 68.91 283.56 14.42 0.00 0.00 0.00 0.00 01:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:02 ens3 61.93 60.02 26.12 6.00 0.00 0.00 0.00 0.00 01:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:03 ens3 32.23 29.99 10.82 3.52 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 63.29 52.98 106.86 7.98 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23797) 06/05/26 _x86_64_ (2 CPU) 00:39:14 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:02 all 13.96 0.00 2.04 0.60 0.06 83.34 00:50:02 0 16.64 0.00 2.29 0.72 0.06 80.29 00:50:02 1 11.28 0.00 1.79 0.47 0.06 86.40 01:00:02 all 7.00 0.00 0.91 0.01 0.07 92.01 01:00:02 0 6.56 0.00 0.86 0.01 0.07 92.51 01:00:02 1 7.44 0.00 0.96 0.02 0.07 91.51 01:10:03 all 5.31 0.00 0.59 0.01 0.07 94.02 01:10:03 0 7.05 0.00 0.75 0.00 0.07 92.13 01:10:03 1 3.57 0.00 0.43 0.03 0.07 95.91 Average: all 8.76 0.00 1.18 0.21 0.07 89.78 Average: 0 10.10 0.00 1.30 0.24 0.07 88.29 Average: 1 7.43 0.00 1.06 0.17 0.06 91.27