---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-66787 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 8.0G 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 774 5179 4 2276 7167 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:ed:ac:ab brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.72/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84669sec preferred_lft 84669sec inet6 fe80::f816:3eff:feed:acab/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-66787) 04/06/26 _x86_64_ (2 CPU) 00:38:53 LINUX RESTART (2 CPU) 00:40:22 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:13 16.76 1.71 13.10 1.95 131.71 2550.54 318.16 01:00:01 2.35 0.33 1.97 0.04 41.29 131.75 1.03 Average: 9.57 1.03 7.55 1.00 86.61 1344.18 159.99 00:40:22 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:13 5327072 7416224 356228 4.38 84208 2169476 642684 7.00 587776 1938240 604 01:00:01 5269796 7402552 369256 4.54 84508 2212568 645996 7.04 602132 1970156 380 Average: 5298434 7409388 362742 4.46 84358 2191022 644340 7.02 594954 1954198 492 00:40:22 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:13 lo 1.22 1.22 0.07 0.07 0.00 0.00 0.00 0.00 00:50:13 ens3 55.89 44.74 163.62 8.52 0.00 0.00 0.00 0.00 01:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 44.17 42.32 13.13 5.79 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 50.05 43.54 88.57 7.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66787) 04/06/26 _x86_64_ (2 CPU) 00:38:53 LINUX RESTART (2 CPU) 00:40:22 CPU %user %nice %system %iowait %steal %idle 00:50:13 all 10.86 0.00 1.40 0.30 0.08 87.36 00:50:13 0 11.42 0.00 1.40 0.39 0.08 86.71 00:50:13 1 10.31 0.00 1.41 0.21 0.07 87.99 01:00:01 all 6.26 0.00 0.61 0.04 0.08 93.02 01:00:01 0 3.30 0.00 0.53 0.02 0.08 96.07 01:00:01 1 9.24 0.00 0.69 0.05 0.07 89.95 Average: all 8.57 0.00 1.01 0.17 0.08 90.17 Average: 0 7.36 0.00 0.97 0.21 0.08 91.38 Average: 1 9.78 0.00 1.06 0.13 0.07 88.96