---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12876 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: 5599.86 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 742 5307 4 2180 7199 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:58:06:bc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.126/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84160sec preferred_lft 84160sec inet6 fe80::f816:3eff:fe58:6bc/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-12876) 05/12/26 _x86_64_ (2 CPU) 03:37:29 LINUX RESTART (2 CPU) 03:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:50:01 22.82 1.26 7.18 14.38 109.54 1096.28 106860.25 04:00:01 1.55 0.01 1.51 0.02 0.05 18.89 0.59 04:10:13 1.21 0.00 1.21 0.00 0.00 14.61 0.00 Average: 8.49 0.42 3.29 4.78 36.35 374.81 35444.51 03:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:50:01 5291348 7410336 361272 4.44 84156 2198808 643440 7.01 582984 1958820 148 04:00:01 5298992 7418500 352860 4.34 84332 2199168 644592 7.02 583168 1959356 240 04:10:13 5298744 7418740 352624 4.34 84468 2199520 644592 7.02 583396 1959844 132 Average: 5296361 7415859 355585 4.37 84319 2199165 644208 7.02 583183 1959340 173 03:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:50:01 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 03:50:01 ens3 28.03 17.38 38.86 4.69 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 0.78 0.19 0.11 0.05 0.00 0.00 0.00 0.00 04:10:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:10:13 ens3 0.87 0.16 0.11 0.03 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 9.85 5.88 12.96 1.58 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12876) 05/12/26 _x86_64_ (2 CPU) 03:37:29 LINUX RESTART (2 CPU) 03:40:00 CPU %user %nice %system %iowait %steal %idle 03:50:01 all 4.58 0.00 0.79 0.15 0.05 94.42 03:50:01 0 3.48 0.00 0.69 0.16 0.06 95.62 03:50:01 1 5.68 0.00 0.90 0.14 0.04 93.23 04:00:01 all 0.39 0.00 0.21 0.01 0.04 99.35 04:00:01 0 0.49 0.00 0.18 0.01 0.03 99.29 04:00:01 1 0.28 0.00 0.25 0.00 0.06 99.41 04:10:13 all 0.35 0.00 0.12 0.00 0.04 99.49 04:10:13 0 0.34 0.00 0.09 0.00 0.03 99.53 04:10:13 1 0.35 0.00 0.14 0.00 0.06 99.45 Average: all 1.76 0.00 0.37 0.05 0.05 97.76 Average: 0 1.43 0.00 0.32 0.06 0.04 98.15 Average: 1 2.10 0.00 0.43 0.05 0.05 97.37