---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-22119 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 8.1G 30G 22% / 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 829 5008 4 2397 7112 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:c3:6a:76 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.92/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84243sec preferred_lft 84243sec inet6 fe80::f816:3eff:fec3:6a76/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22119) 06/01/26 _x86_64_ (2 CPU) 02:57:48 LINUX RESTART (2 CPU) 03:00:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:25 24.23 1.28 8.20 14.75 111.23 1213.45 106993.43 03:20:25 1.95 0.26 1.65 0.04 31.04 189.02 1.45 03:30:25 1.63 0.01 1.55 0.07 1.05 46.73 2.01 Average: 9.27 0.52 3.80 4.95 47.77 483.06 35665.24 03:00:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:25 5196740 7388200 380112 4.67 85508 2267048 727040 7.92 609724 2038092 3212 03:20:25 5107860 7357116 409992 5.04 85848 2323840 931472 10.15 624128 2086488 272 03:30:25 5103848 7362612 404324 4.97 86060 2332996 760712 8.29 619892 2095544 752 Average: 5136149 7369309 398143 4.90 85805 2307961 806408 8.78 617915 2073375 1412 03:00:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:25 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 03:10:25 ens3 74.38 53.47 57.95 12.13 0.00 0.00 0.00 0.00 03:20:25 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:20:25 ens3 61.82 60.96 31.26 5.94 0.00 0.00 0.00 0.00 03:30:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:25 ens3 28.70 26.25 9.17 3.23 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 54.97 46.90 32.79 7.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22119) 06/01/26 _x86_64_ (2 CPU) 02:57:48 LINUX RESTART (2 CPU) 03:00:25 CPU %user %nice %system %iowait %steal %idle 03:10:25 all 10.10 0.00 1.21 0.17 0.06 88.47 03:10:25 0 12.11 0.00 1.25 0.22 0.06 86.36 03:10:25 1 8.10 0.00 1.16 0.11 0.05 90.57 03:20:25 all 6.75 0.00 0.90 0.02 0.07 92.26 03:20:25 0 4.54 0.00 0.85 0.02 0.07 94.52 03:20:25 1 8.96 0.00 0.95 0.02 0.08 90.00 03:30:25 all 5.12 0.00 0.63 0.02 0.06 94.16 03:30:25 0 5.86 0.00 0.65 0.01 0.06 93.42 03:30:25 1 4.39 0.00 0.61 0.03 0.06 94.90 Average: all 7.33 0.00 0.91 0.07 0.06 91.62 Average: 0 7.51 0.00 0.92 0.08 0.06 91.42 Average: 1 7.15 0.00 0.91 0.05 0.06 91.82