---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-5690 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 778 5039 4 2422 7163 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:04:df:ae brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.182/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84076sec preferred_lft 84076sec inet6 fe80::f816:3eff:fe04:dfae/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-5690) 04/21/26 _x86_64_ (2 CPU) 01:51:36 LINUX RESTART (2 CPU) 02:00:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:07 15.62 13.51 2.04 0.06 150.99 114.45 6.91 02:20:01 14.98 0.01 1.40 13.58 0.16 106.32 107722.51 02:30:07 6.78 0.09 5.05 1.64 6.55 816.46 3245.13 Average: 12.43 4.54 2.84 5.05 52.68 347.80 36622.23 02:00:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:07 5251032 7406104 357412 4.39 87256 2224176 651988 7.10 586836 1996084 224 02:20:01 5213132 7395424 367864 4.52 87392 2251024 667120 7.27 593936 2023036 264 02:30:07 5195584 7370316 400404 4.92 90560 2247060 665136 7.24 634356 2020492 28516 Average: 5219916 7390615 375227 4.61 88403 2240753 661415 7.20 605043 2013204 9668 02:00:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:07 ens3 32.51 29.60 13.98 3.33 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 49.76 48.74 28.46 5.15 0.00 0.00 0.00 0.00 02:30:07 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 02:30:07 ens3 33.32 27.08 79.64 20.20 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 38.47 35.06 40.83 9.60 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-5690) 04/21/26 _x86_64_ (2 CPU) 01:51:36 LINUX RESTART (2 CPU) 02:00:05 CPU %user %nice %system %iowait %steal %idle 02:10:07 all 7.03 0.20 1.04 0.18 0.05 91.50 02:10:07 0 12.07 0.40 1.62 0.34 0.06 85.51 02:10:07 1 2.05 0.01 0.47 0.02 0.05 97.41 02:20:01 all 6.06 0.00 0.78 0.03 0.06 93.06 02:20:01 0 5.73 0.00 0.85 0.05 0.05 93.32 02:20:01 1 6.39 0.00 0.72 0.02 0.06 92.81 02:30:07 all 7.94 0.00 1.11 0.12 0.05 90.79 02:30:07 0 9.18 0.00 1.20 0.14 0.05 89.42 02:30:07 1 6.69 0.00 1.01 0.09 0.06 92.16 Average: all 7.02 0.07 0.98 0.11 0.06 91.77 Average: 0 9.00 0.13 1.23 0.18 0.06 89.41 Average: 1 5.04 0.00 0.73 0.04 0.06 94.13