---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-5719 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 8.0G 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 804 5118 4 2307 7137 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:35:7e:09 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.204/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83401sec preferred_lft 83401sec inet6 fe80::f816:3eff:fe35:7e09/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-5719) 04/21/26 _x86_64_ (2 CPU) 03:17:31 LINUX RESTART (2 CPU) 03:20:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:30:01 10.75 1.30 8.16 1.30 112.70 1144.56 648.46 03:40:01 1.28 0.01 1.26 0.00 0.05 107.55 0.36 03:50:16 15.07 0.32 1.65 13.10 38.39 138.65 104053.97 04:00:01 1.59 0.01 1.56 0.02 1.08 32.01 0.29 Average: 7.25 0.41 3.15 3.69 38.15 354.87 26879.39 03:20:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:30:01 5279348 7372596 399452 4.91 84064 2173900 708812 7.72 616788 1943180 1052 03:40:01 5212760 7334304 437520 5.38 84216 2202012 748196 8.15 655436 1971444 1364 03:50:16 5115828 7285532 485344 5.97 84512 2249220 933096 10.16 674412 2007904 152 04:00:01 5130120 7304396 466560 5.74 84652 2253576 725212 7.90 668924 2012084 176 Average: 5184514 7324207 447219 5.50 84361 2219677 778829 8.48 653890 1983653 686 03:20:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:30:01 lo 1.16 1.16 0.06 0.06 0.00 0.00 0.00 0.00 03:30:01 ens3 98.73 78.10 55.57 13.63 0.00 0.00 0.00 0.00 03:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:01 ens3 13.51 13.75 12.89 1.15 0.00 0.00 0.00 0.00 03:50:16 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:50:16 ens3 13.60 13.67 12.08 1.18 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 25.49 25.37 5.14 1.78 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 37.64 32.56 21.40 4.42 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-5719) 04/21/26 _x86_64_ (2 CPU) 03:17:31 LINUX RESTART (2 CPU) 03:20:05 CPU %user %nice %system %iowait %steal %idle 03:30:01 all 7.84 0.00 1.34 0.17 0.05 90.60 03:30:01 0 7.65 0.00 1.24 0.17 0.05 90.90 03:30:01 1 8.03 0.00 1.44 0.17 0.05 90.31 03:40:01 all 4.24 0.00 0.55 0.01 0.06 95.14 03:40:01 0 3.23 0.00 0.42 0.01 0.05 96.29 03:40:01 1 5.26 0.00 0.67 0.01 0.07 94.00 03:50:16 all 3.91 0.00 0.54 0.04 0.07 95.44 03:50:16 0 4.85 0.00 0.58 0.05 0.08 94.45 03:50:16 1 2.97 0.00 0.50 0.03 0.06 96.43 04:00:01 all 1.59 0.00 0.42 0.01 0.06 97.92 04:00:01 0 1.89 0.00 0.51 0.00 0.05 97.54 04:00:01 1 1.29 0.00 0.34 0.02 0.06 98.29 Average: all 4.41 0.00 0.71 0.06 0.06 94.77 Average: 0 4.42 0.00 0.69 0.06 0.06 94.78 Average: 1 4.39 0.00 0.74 0.06 0.06 94.75