---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-21915 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 8.1G 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 833 5013 4 2388 7108 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:89:cc:62 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.20/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83438sec preferred_lft 83438sec inet6 fe80::f816:3eff:fe89:cc62/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-21915) 05/31/26 _x86_64_ (2 CPU) 03:19:06 LINUX RESTART (2 CPU) 03:20:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:30:01 21.85 1.70 17.86 2.29 132.17 3207.58 567.10 03:40:01 14.88 0.01 1.38 13.49 0.20 115.30 106490.88 03:50:03 1.72 0.26 1.45 0.01 31.06 144.24 0.45 04:00:01 1.58 0.01 1.53 0.04 1.06 32.99 1.19 Average: 9.98 0.49 5.52 3.96 40.91 869.10 26832.53 03:20:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:30:01 5227300 7400072 367696 4.52 85404 2248724 665544 7.25 586080 2018900 2020 03:40:01 5152980 7354408 413064 5.08 85592 2277184 709604 7.73 631104 2047512 536 03:50:03 4923524 7175292 591396 7.27 85896 2326508 882836 9.62 784828 2088432 2512 04:00:01 5080448 7335024 431692 5.31 86080 2329080 686684 7.48 641084 2090872 136 Average: 5096063 7316199 450962 5.55 85743 2295374 736167 8.02 660774 2061429 1301 03:20:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:30:01 lo 1.24 1.24 0.07 0.07 0.00 0.00 0.00 0.00 03:30:01 ens3 113.36 91.34 227.78 14.92 0.00 0.00 0.00 0.00 03:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:01 ens3 14.54 14.47 13.09 1.20 0.00 0.00 0.00 0.00 03:50:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:50:03 ens3 14.18 14.18 14.09 1.25 0.00 0.00 0.00 0.00 04:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:01 ens3 12.96 12.72 2.49 0.90 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 38.57 33.03 63.95 4.54 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-21915) 05/31/26 _x86_64_ (2 CPU) 03:19:06 LINUX RESTART (2 CPU) 03:20:07 CPU %user %nice %system %iowait %steal %idle 03:30:01 all 11.73 0.00 2.02 1.49 0.06 84.70 03:30:01 0 8.84 0.00 1.77 1.02 0.06 88.32 03:30:01 1 14.61 0.00 2.27 1.97 0.07 81.08 03:40:01 all 4.15 0.00 0.61 0.03 0.08 95.12 03:40:01 0 2.10 0.00 0.39 0.05 0.08 97.39 03:40:01 1 6.20 0.00 0.84 0.01 0.09 92.86 03:50:03 all 4.41 0.00 0.59 0.02 0.08 94.89 03:50:03 0 6.52 0.00 0.70 0.02 0.10 92.67 03:50:03 1 2.31 0.00 0.49 0.02 0.07 97.12 04:00:01 all 1.23 0.00 0.33 0.01 0.09 98.34 04:00:01 0 1.25 0.00 0.30 0.01 0.09 98.36 04:00:01 1 1.21 0.00 0.36 0.01 0.09 98.32 Average: all 5.37 0.00 0.89 0.39 0.08 93.28 Average: 0 4.67 0.00 0.78 0.27 0.08 94.20 Average: 1 6.06 0.00 0.99 0.50 0.08 92.37