---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1018 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 745 5221 4 2263 7196 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:34:bc:78 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.160/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84761sec preferred_lft 84761sec inet6 fe80::f816:3eff:fe34:bc78/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1018) 04/07/26 _x86_64_ (2 CPU) 15:55:45 LINUX RESTART (2 CPU) 16:00:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:10:15 1.77 0.03 1.70 0.04 1.72 105.37 2.58 16:20:21 2.08 0.32 1.75 0.01 38.99 150.48 0.20 Average: 1.93 0.18 1.73 0.03 20.44 128.03 1.38 16:00:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:10:15 5332704 7422440 349784 4.30 84732 2169568 653476 7.12 581680 1939096 296 16:20:21 5268760 7410532 360608 4.43 85044 2220904 846160 9.22 601972 1979560 992 Average: 5300732 7416486 355196 4.37 84888 2195236 749818 8.17 591826 1959328 644 16:00:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:10:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 16:10:15 ens3 36.02 30.48 7.81 3.93 0.00 0.00 0.00 0.00 16:20:21 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 16:20:21 ens3 44.30 43.03 14.86 6.13 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 40.18 36.78 11.35 5.04 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1018) 04/07/26 _x86_64_ (2 CPU) 15:55:45 LINUX RESTART (2 CPU) 16:00:14 CPU %user %nice %system %iowait %steal %idle 16:10:15 all 5.78 0.00 0.45 0.02 0.07 93.68 16:10:15 0 6.83 0.00 0.50 0.02 0.07 92.58 16:10:15 1 4.73 0.00 0.40 0.02 0.08 94.78 16:20:21 all 8.11 0.00 0.56 0.03 0.08 91.22 16:20:21 0 9.77 0.00 0.58 0.03 0.08 89.55 16:20:21 1 6.45 0.00 0.54 0.04 0.08 92.89 Average: all 6.95 0.00 0.50 0.03 0.08 92.44 Average: 0 8.31 0.00 0.54 0.03 0.07 91.05 Average: 1 5.60 0.00 0.47 0.03 0.08 93.83