---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-11004 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: 5599.94 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 806 5111 4 2313 7135 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:dc:56:c2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.57/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83352sec preferred_lft 83352sec inet6 fe80::f816:3eff:fedc:56c2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11004) 05/05/26 _x86_64_ (2 CPU) 02:58:25 LINUX RESTART (2 CPU) 03:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:10 12.73 1.57 9.74 1.42 121.06 1772.17 384.21 03:20:01 1.30 0.01 1.28 0.02 0.07 102.99 1.10 03:30:01 1.49 0.01 1.46 0.03 0.20 108.00 1.68 03:40:10 1.78 0.25 1.52 0.01 30.47 80.01 0.17 Average: 4.36 0.46 3.52 0.37 38.37 520.20 97.82 03:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:10 5298636 7395652 376176 4.63 83996 2177308 695592 7.58 606656 1945996 196 03:20:01 5227036 7350368 421144 5.18 84172 2203444 738880 8.05 649124 1972312 152 03:30:01 5189596 7340788 430436 5.29 84340 2230844 717748 7.82 652196 1999880 136 03:40:10 5135196 7315032 455652 5.60 84612 2258888 912260 9.94 666636 2019424 260 Average: 5212616 7350460 420852 5.17 84280 2217621 766120 8.34 643653 1984403 186 03:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:10 lo 1.19 1.19 0.07 0.07 0.00 0.00 0.00 0.00 03:10:10 ens3 88.08 68.67 51.33 12.88 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 14.36 14.64 12.38 1.19 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 19.80 19.72 24.37 1.69 0.00 0.00 0.00 0.00 03:40:10 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:40:10 ens3 13.19 12.62 6.34 0.91 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 34.05 29.05 23.68 4.20 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11004) 05/05/26 _x86_64_ (2 CPU) 02:58:25 LINUX RESTART (2 CPU) 03:00:01 CPU %user %nice %system %iowait %steal %idle 03:10:10 all 7.39 0.00 1.30 0.29 0.04 90.98 03:10:10 0 5.77 0.00 1.03 0.16 0.04 93.00 03:10:10 1 9.02 0.00 1.58 0.41 0.04 88.95 03:20:01 all 3.95 0.00 0.59 0.01 0.04 95.41 03:20:01 0 5.78 0.00 0.72 0.01 0.05 93.44 03:20:01 1 2.12 0.00 0.47 0.01 0.04 97.37 03:30:01 all 5.01 0.00 0.75 0.01 0.05 94.19 03:30:01 0 6.21 0.00 0.90 0.01 0.05 92.84 03:30:01 1 3.81 0.00 0.60 0.01 0.04 95.54 03:40:10 all 1.31 0.00 0.28 0.02 0.04 98.36 03:40:10 0 1.65 0.00 0.33 0.01 0.04 97.98 03:40:10 1 0.97 0.00 0.23 0.03 0.03 98.74 Average: all 4.41 0.00 0.73 0.08 0.04 94.73 Average: 0 4.84 0.00 0.74 0.05 0.04 94.33 Average: 1 3.99 0.00 0.72 0.12 0.04 95.13