---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-66162 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 773 5152 4 2304 7167 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:e6:e9:a1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.52/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83382sec preferred_lft 83382sec inet6 fe80::f816:3eff:fee6:e9a1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66162) 04/03/26 _x86_64_ (2 CPU) 03:03:13 LINUX RESTART (2 CPU) 03:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:20:01 1.46 0.01 1.43 0.02 0.55 107.54 1.13 03:30:01 1.47 0.00 1.43 0.03 0.00 105.84 1.33 03:40:02 1.91 0.32 1.55 0.04 40.23 92.90 1.57 03:50:01 1.32 0.00 1.30 0.02 0.00 22.66 1.20 Average: 1.54 0.08 1.43 0.03 10.20 82.26 1.31 03:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:20:01 5271492 7379840 392364 4.82 84212 2188732 713508 7.77 620964 1958188 1052 03:30:01 5229636 7365068 406876 5.00 84404 2215356 721356 7.86 629944 1985052 1364 03:40:02 5181728 7350908 420512 5.17 84720 2248372 697780 7.60 641452 2007000 260 03:50:01 5182952 7354584 416804 5.13 84888 2250620 697780 7.60 641472 2009424 124 Average: 5216452 7362600 409139 5.03 84556 2225770 707606 7.71 633458 1989916 700 03:10:01 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 30.15 28.74 15.35 2.32 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 14.20 14.34 12.42 1.22 0.00 0.00 0.00 0.00 03:40:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:40:02 ens3 23.73 23.40 8.11 1.77 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 12.26 12.08 2.60 0.86 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 20.09 19.64 9.62 1.54 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66162) 04/03/26 _x86_64_ (2 CPU) 03:03:13 LINUX RESTART (2 CPU) 03:10:01 CPU %user %nice %system %iowait %steal %idle 03:20:01 all 4.93 0.00 0.78 0.02 0.06 94.22 03:20:01 0 5.20 0.00 0.79 0.00 0.05 93.95 03:20:01 1 4.67 0.00 0.76 0.03 0.07 94.48 03:30:01 all 4.40 0.00 0.78 0.09 0.57 94.17 03:30:01 0 4.90 0.00 0.92 0.18 0.65 93.35 03:30:01 1 3.89 0.00 0.64 0.01 0.49 94.98 03:40:02 all 2.56 0.00 0.52 0.03 0.05 96.84 03:40:02 0 3.15 0.00 0.62 0.04 0.06 96.13 03:40:02 1 1.97 0.00 0.43 0.02 0.04 97.55 03:50:01 all 1.22 0.00 0.24 0.01 0.04 98.49 03:50:01 0 0.87 0.00 0.17 0.01 0.03 98.91 03:50:01 1 1.57 0.00 0.31 0.00 0.05 98.07 Average: all 3.28 0.00 0.58 0.04 0.18 95.93 Average: 0 3.53 0.00 0.63 0.06 0.20 95.58 Average: 1 3.02 0.00 0.53 0.01 0.16 96.27