---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2160 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 776 5300 4 2153 7165 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:c9:9d:50 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.167/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84682sec preferred_lft 84682sec inet6 fe80::f816:3eff:fec9:9d50/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2160) 04/12/26 _x86_64_ (2 CPU) 00:14:36 LINUX RESTART (2 CPU) 00:20:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:03 1.50 0.01 1.47 0.03 0.05 18.44 654.64 00:40:03 21.94 3.03 16.67 2.24 228.33 3144.48 1111.15 Average: 11.72 1.52 9.07 1.13 114.19 1581.46 882.89 00:20:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:03 6297752 7548768 272056 3.35 30716 1426132 528292 5.75 442780 1187436 264 00:40:03 5296312 7380944 391424 4.81 84332 2164876 673636 7.34 611808 1934248 240 Average: 5797032 7464856 331740 4.08 57524 1795504 600964 6.55 527294 1560842 252 00:20:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:03 ens3 0.93 0.09 0.15 0.06 0.00 0.00 0.00 0.00 00:40:03 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:03 ens3 83.15 61.18 304.57 19.10 0.00 0.00 0.00 0.00 Average: lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 42.04 30.64 152.36 9.58 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2160) 04/12/26 _x86_64_ (2 CPU) 00:14:36 LINUX RESTART (2 CPU) 00:20:03 CPU %user %nice %system %iowait %steal %idle 00:30:03 all 0.24 0.00 0.17 0.01 0.04 99.54 00:30:03 0 0.31 0.00 0.19 0.01 0.03 99.46 00:30:03 1 0.17 0.00 0.15 0.01 0.04 99.62 00:40:03 all 12.28 0.00 1.66 0.52 0.06 85.48 00:40:03 0 13.52 0.00 1.60 0.37 0.06 84.45 00:40:03 1 11.04 0.00 1.72 0.68 0.06 86.50 Average: all 6.26 0.00 0.91 0.27 0.05 92.51 Average: 0 6.91 0.00 0.90 0.19 0.04 91.96 Average: 1 5.61 0.00 0.93 0.35 0.05 93.06