---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29650 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 748 5118 4 2367 7193 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:80:ec:57 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.109/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78594sec preferred_lft 78594sec inet6 fe80::f816:3eff:fe80:ec57/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29650) 06/23/26 _x86_64_ (2 CPU) 00:40:42 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.39 0.01 1.37 0.01 0.05 16.77 653.90 01:10:01 1.61 0.26 1.34 0.01 32.03 72.87 0.23 01:20:01 1.17 0.00 1.16 0.01 0.01 14.27 0.96 01:30:01 1.39 0.00 1.36 0.03 0.00 17.23 654.56 01:40:01 1.17 0.00 1.15 0.02 0.00 14.28 1.20 01:50:01 1.13 0.00 1.13 0.01 0.00 13.96 0.48 02:00:01 26.43 3.02 21.11 2.30 227.80 3446.17 494.35 02:10:01 1.28 0.00 1.28 0.00 0.00 20.33 0.05 02:20:01 1.32 0.00 1.32 0.00 0.00 19.27 0.03 02:30:01 1.64 0.00 1.60 0.04 0.00 142.16 396.69 02:40:01 1.57 0.00 1.53 0.04 0.00 32.95 0.75 02:50:01 6.49 0.08 5.07 1.35 5.77 544.03 2409.13 Average: 3.88 0.28 3.28 0.32 22.14 362.86 384.36 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6279796 7532400 287880 3.54 30764 1427676 523280 5.70 447704 1187896 180 01:10:01 6242480 7522368 297388 3.66 31108 1454268 523476 5.70 457012 1205736 224 01:20:01 6248560 7529012 290764 3.58 31308 1454596 523504 5.70 457512 1206292 124 01:30:01 6236320 7517472 302268 3.72 31520 1455052 523568 5.70 457492 1206832 128 01:40:01 6243904 7525580 294160 3.62 31712 1455376 523696 5.70 457900 1207348 144 01:50:01 6249984 7532188 287556 3.54 31904 1455704 523764 5.70 458104 1207868 216 02:00:01 5178128 7382728 384100 4.72 87000 2277912 629892 6.86 592352 2039604 156 02:10:01 5166356 7372800 394044 4.85 87124 2279632 638536 6.95 592488 2041456 164 02:20:01 5172848 7380788 386028 4.75 87268 2281016 658192 7.17 612988 2042836 124 02:30:01 5123004 7368036 398592 4.90 87440 2317800 646028 7.04 599680 2079780 316 02:40:01 5066124 7315968 450592 5.54 87668 2322292 680996 7.42 635116 2084532 468 02:50:01 5273736 7393156 382548 4.70 90520 2197244 608020 6.62 597612 1960816 13084 Average: 5706770 7447708 346327 4.26 59611 1864881 583579 6.36 530497 1622583 1277 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.53 0.08 0.08 0.04 0.00 0.00 0.00 0.00 01:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.81 0.25 5.44 0.05 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.59 0.10 0.28 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.30 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.49 0.19 0.12 0.55 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.31 0.09 0.10 0.05 0.00 0.00 0.00 0.00 02:00:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:01 ens3 79.26 55.73 427.54 12.46 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 14.20 12.53 140.12 1.10 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 5.53 5.08 33.03 0.63 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 17.34 16.48 185.36 1.71 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 22.68 22.07 225.08 2.30 0.00 0.00 0.00 0.00 02:50:01 lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 02:50:01 ens3 17.27 14.52 97.22 9.31 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 13.28 10.60 92.87 2.36 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29650) 06/23/26 _x86_64_ (2 CPU) 00:40:42 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.30 0.00 0.17 0.03 0.02 99.47 01:00:01 0 0.38 0.00 0.16 0.04 0.02 99.41 01:00:01 1 0.23 0.00 0.18 0.03 0.02 99.54 01:10:01 all 0.39 0.00 0.11 0.04 0.02 99.44 01:10:01 0 0.42 0.00 0.10 0.06 0.02 99.40 01:10:01 1 0.36 0.00 0.11 0.02 0.03 99.49 01:20:01 all 0.28 0.00 0.07 0.02 0.02 99.61 01:20:01 0 0.35 0.00 0.07 0.02 0.02 99.55 01:20:01 1 0.21 0.00 0.08 0.03 0.03 99.66 01:30:01 all 0.28 0.00 0.16 0.02 0.03 99.51 01:30:01 0 0.39 0.00 0.15 0.04 0.03 99.40 01:30:01 1 0.17 0.00 0.17 0.01 0.03 99.62 01:40:01 all 0.29 0.00 0.06 0.02 0.03 99.61 01:40:01 0 0.50 0.00 0.04 0.00 0.02 99.44 01:40:01 1 0.07 0.00 0.08 0.04 0.04 99.78 01:50:01 all 0.24 0.00 0.07 0.02 0.02 99.66 01:50:01 0 0.34 0.00 0.06 0.01 0.02 99.58 01:50:01 1 0.14 0.00 0.08 0.02 0.03 99.73 02:00:01 all 12.45 0.00 1.96 2.03 0.06 83.49 02:00:01 0 14.43 0.00 2.19 3.37 0.05 79.95 02:00:01 1 10.47 0.00 1.72 0.69 0.08 87.04 02:10:01 all 0.84 0.00 0.20 0.20 0.06 98.70 02:10:01 0 0.75 0.00 0.21 0.14 0.05 98.85 02:10:01 1 0.94 0.00 0.20 0.25 0.06 98.55 02:20:01 all 6.33 0.00 0.66 0.23 0.07 92.71 02:20:01 0 9.63 0.00 0.95 0.43 0.07 88.92 02:20:01 1 3.14 0.00 0.37 0.04 0.07 96.38 02:30:01 all 2.12 0.00 0.42 0.16 0.05 97.25 02:30:01 0 1.05 0.00 0.25 0.23 0.04 98.43 02:30:01 1 3.19 0.00 0.59 0.09 0.07 96.06 02:40:01 all 1.90 0.00 0.36 0.04 0.04 97.67 02:40:01 0 1.79 0.00 0.41 0.02 0.04 97.73 02:40:01 1 2.00 0.00 0.31 0.05 0.04 97.60 02:40:01 CPU %user %nice %system %iowait %steal %idle 02:50:01 all 4.88 0.00 0.63 2.63 0.05 91.81 02:50:01 0 4.20 0.00 0.53 2.02 0.05 93.20 02:50:01 1 5.55 0.00 0.73 3.25 0.05 90.42 Average: all 2.51 0.00 0.40 0.45 0.04 96.59 Average: 0 2.82 0.00 0.42 0.53 0.04 96.19 Average: 1 2.20 0.00 0.39 0.38 0.04 96.99