---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8120 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 756 5279 4 2194 7185 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:a9:7e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.168/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84997sec preferred_lft 84997sec inet6 fe80::f816:3eff:fee6:a97e/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-8120) 04/26/26 _x86_64_ (2 CPU) 00:17:18 LINUX RESTART (2 CPU) 00:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:20 1.75 0.05 1.67 0.02 3.28 20.03 844.47 00:40:00 25.21 3.16 18.85 3.19 235.85 3530.09 3441.29 Average: 13.09 1.55 9.98 1.56 115.70 1716.74 2099.74 00:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:20 6282004 7533688 286900 3.53 30652 1426624 527692 5.75 446164 1187464 256 00:40:00 5383444 7329044 452816 5.57 85948 2032576 703328 7.66 669224 1803336 26764 Average: 5832724 7431366 369858 4.55 58300 1729600 615510 6.70 557694 1495400 13510 00:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:20 ens3 1.24 0.09 0.13 0.04 0.00 0.00 0.00 0.00 00:40:00 lo 1.35 1.35 0.12 0.12 0.00 0.00 0.00 0.00 00:40:00 ens3 79.44 53.01 360.68 17.88 0.00 0.00 0.00 0.00 Average: lo 1.17 1.17 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 39.04 25.67 174.41 8.66 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8120) 04/26/26 _x86_64_ (2 CPU) 00:17:18 LINUX RESTART (2 CPU) 00:20:01 CPU %user %nice %system %iowait %steal %idle 00:30:20 all 0.29 0.00 0.17 0.09 0.03 99.42 00:30:20 0 0.21 0.00 0.17 0.16 0.03 99.43 00:30:20 1 0.38 0.00 0.16 0.01 0.03 99.41 00:40:00 all 14.14 0.00 1.94 0.63 0.06 83.22 00:40:00 0 11.60 0.00 1.70 0.63 0.06 86.01 00:40:00 1 16.69 0.00 2.18 0.64 0.06 80.44 Average: all 6.98 0.00 1.02 0.35 0.05 91.60 Average: 0 5.70 0.00 0.91 0.38 0.05 92.95 Average: 1 8.26 0.00 1.13 0.32 0.05 90.24