---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-5680 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 8.2G 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 753 4913 4 2567 7188 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:81:a0:11 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.133/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82308sec preferred_lft 82308sec inet6 fe80::f816:3eff:fe81:a011/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-5680) 04/21/26 _x86_64_ (2 CPU) 01:50:51 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:07 1.49 0.01 1.45 0.03 1.10 18.46 1.28 02:20:17 1.46 0.00 1.43 0.02 0.01 17.31 1.35 02:30:02 1.63 0.00 1.58 0.05 0.00 347.50 1.86 02:40:07 1.43 0.00 1.39 0.04 0.00 296.89 1.29 02:50:17 1.44 0.00 1.41 0.03 0.00 17.68 1.40 Average: 1.49 0.00 1.45 0.03 0.22 137.74 1.44 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:07 4972460 7080776 690900 8.50 84288 2188688 975816 10.63 874912 1946652 108 02:20:17 4980380 7089388 682424 8.39 84484 2189184 937716 10.21 869276 1947344 204 02:30:02 4965704 7172608 597940 7.35 84672 2285796 886536 9.66 819352 2044120 276 02:40:07 4740836 7034380 734728 9.03 84868 2371024 1005940 10.96 939036 2129572 196 02:50:17 4764052 7058348 710744 8.74 85076 2371560 969604 10.56 902912 2130184 200 Average: 4884686 7087100 683347 8.40 84678 2281250 955122 10.40 881098 2039574 197 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:07 ens3 25.51 24.03 394.77 1.58 0.00 0.00 0.00 0.00 02:20:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:17 ens3 76.67 73.51 1229.52 4.80 0.00 0.00 0.00 0.00 02:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:02 ens3 33.54 31.49 509.41 2.10 0.00 0.00 0.00 0.00 02:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:07 ens3 32.24 30.90 516.18 2.08 0.00 0.00 0.00 0.00 02:50:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:17 ens3 5.10 4.80 78.47 0.34 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 34.64 32.97 546.22 2.18 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-5680) 04/21/26 _x86_64_ (2 CPU) 01:50:51 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:07 all 0.61 0.00 0.28 0.01 0.05 99.05 02:10:07 0 0.57 0.00 0.17 0.01 0.03 99.22 02:10:07 1 0.65 0.00 0.39 0.01 0.06 98.88 02:20:17 all 1.09 0.00 0.56 0.01 0.05 98.29 02:20:17 0 1.25 0.00 0.70 0.02 0.05 97.98 02:20:17 1 0.93 0.00 0.42 0.00 0.05 98.60 02:30:02 all 0.88 0.00 0.39 0.01 0.05 98.67 02:30:02 0 0.94 0.00 0.43 0.01 0.05 98.56 02:30:02 1 0.83 0.00 0.35 0.01 0.05 98.77 02:40:07 all 0.86 0.00 0.25 0.01 0.04 98.83 02:40:07 0 0.87 0.00 0.29 0.01 0.04 98.79 02:40:07 1 0.85 0.00 0.21 0.01 0.05 98.88 02:50:17 all 0.46 0.00 0.18 0.01 0.04 99.30 02:50:17 0 0.46 0.00 0.25 0.01 0.06 99.22 02:50:17 1 0.47 0.00 0.12 0.00 0.03 99.39 Average: all 0.78 0.00 0.33 0.01 0.05 98.83 Average: 0 0.82 0.00 0.37 0.01 0.05 98.76 Average: 1 0.74 0.00 0.30 0.01 0.05 98.90