---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8168 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 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 789 5172 4 2268 7152 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:3a:e4:eb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.8/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80686sec preferred_lft 80686sec inet6 fe80::f816:3eff:fe3a:e4eb/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-8168) 04/26/26 _x86_64_ (2 CPU) 01:41:48 LINUX RESTART (2 CPU) 01:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:00 1.71 0.01 1.66 0.03 1.11 20.64 872.29 02:10:00 1.30 0.00 1.29 0.01 0.00 15.83 1.08 02:20:00 1.43 0.00 1.42 0.01 0.01 17.27 0.39 02:30:00 1.59 0.00 1.57 0.02 0.00 19.55 1088.68 02:40:00 1.30 0.00 1.30 0.00 0.00 15.81 0.00 02:50:00 1.35 0.00 1.35 0.00 0.00 16.23 0.00 03:00:00 22.63 3.02 17.39 2.23 228.06 3146.11 664.50 03:10:00 1.41 0.00 1.40 0.00 0.35 68.63 0.08 Average: 4.09 0.38 3.42 0.29 28.69 415.00 328.38 01:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:00 6268680 7544360 275788 3.39 30908 1450064 532760 5.80 450544 1200588 124 02:10:00 6268680 7544896 275244 3.38 31112 1450392 532908 5.80 450588 1201120 124 02:20:00 6262720 7539488 280580 3.45 31320 1450724 596308 6.49 455844 1201656 160 02:30:00 6272796 7550104 270024 3.32 31516 1451048 532916 5.80 450624 1202180 156 02:40:00 6271284 7549224 270888 3.33 31688 1451508 532952 5.80 451052 1202676 176 02:50:00 6270528 7548964 271152 3.33 31848 1451832 533084 5.81 452240 1203168 132 03:00:00 5290052 7410048 361704 4.45 85292 2198704 653820 7.12 599512 1957928 548 03:10:00 5277416 7412632 359100 4.42 85432 2213816 656076 7.15 601880 1973048 200 Average: 6022770 7512464 295560 3.63 44890 1639761 571353 6.22 489036 1392796 202 01:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:00 ens3 1.51 0.07 0.18 0.03 0.00 0.00 0.00 0.00 02:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 0.86 0.03 0.10 0.01 0.00 0.00 0.00 0.00 02:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 0.81 0.03 3.84 0.01 0.00 0.00 0.00 0.00 02:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:00 ens3 1.30 0.03 0.28 0.01 0.00 0.00 0.00 0.00 02:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:00 ens3 0.40 0.06 0.11 0.05 0.00 0.00 0.00 0.00 02:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:00 ens3 0.35 0.08 0.10 0.05 0.00 0.00 0.00 0.00 03:00:00 lo 1.29 1.29 0.10 0.10 0.00 0.00 0.00 0.00 03:00:00 ens3 81.22 56.13 303.52 12.93 0.00 0.00 0.00 0.00 03:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:00 ens3 46.12 43.34 10.06 5.77 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 16.57 12.47 39.77 2.36 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8168) 04/26/26 _x86_64_ (2 CPU) 01:41:48 LINUX RESTART (2 CPU) 01:50:00 CPU %user %nice %system %iowait %steal %idle 02:00:00 all 0.25 0.00 0.18 0.01 0.03 99.53 02:00:00 0 0.21 0.00 0.18 0.02 0.03 99.56 02:00:00 1 0.29 0.00 0.19 0.00 0.03 99.50 02:10:00 all 0.25 0.00 0.08 0.01 0.02 99.64 02:10:00 0 0.27 0.00 0.07 0.01 0.02 99.63 02:10:00 1 0.23 0.00 0.09 0.01 0.03 99.64 02:20:00 all 0.27 0.00 0.09 0.01 0.02 99.60 02:20:00 0 0.13 0.00 0.10 0.01 0.03 99.74 02:20:00 1 0.41 0.00 0.08 0.02 0.02 99.47 02:30:00 all 0.28 0.00 0.17 0.01 0.02 99.51 02:30:00 0 0.21 0.00 0.19 0.01 0.03 99.57 02:30:00 1 0.36 0.00 0.16 0.01 0.02 99.45 02:40:00 all 0.25 0.00 0.08 0.01 0.02 99.64 02:40:00 0 0.39 0.00 0.07 0.02 0.02 99.51 02:40:00 1 0.12 0.00 0.08 0.00 0.03 99.77 02:50:00 all 0.27 0.00 0.08 0.01 0.02 99.62 02:50:00 0 0.48 0.00 0.06 0.02 0.02 99.42 02:50:00 1 0.06 0.00 0.09 0.00 0.02 99.82 03:00:00 all 14.60 0.00 2.06 0.52 0.06 82.76 03:00:00 0 13.38 0.00 1.98 0.48 0.07 84.09 03:00:00 1 15.82 0.00 2.13 0.55 0.06 81.43 03:10:00 all 6.07 0.00 0.57 0.01 0.06 93.29 03:10:00 0 5.58 0.00 0.54 0.01 0.06 93.81 03:10:00 1 6.57 0.00 0.60 0.01 0.07 92.76 Average: all 2.77 0.00 0.41 0.07 0.03 96.72 Average: 0 2.57 0.00 0.40 0.07 0.03 96.93 Average: 1 2.97 0.00 0.43 0.08 0.03 96.50