---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37885 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 756 5188 4 2290 7185 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:88:e3:d7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.72/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81394sec preferred_lft 81394sec inet6 fe80::f816:3eff:fe88:e3d7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37885) 07/23/26 _x86_64_ (2 CPU) 00:39:53 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:12 7.62 3.23 4.34 0.05 381.50 3326.48 215.15 01:00:12 1.46 0.01 1.43 0.02 0.05 17.00 436.65 01:10:12 1.77 0.26 1.49 0.03 32.03 75.17 1.43 01:20:12 1.24 0.00 1.24 0.00 0.01 14.88 0.12 01:30:11 14.06 0.00 1.48 12.57 0.15 18.00 109195.98 01:40:10 1.59 0.42 1.17 0.00 16.09 45.74 0.00 01:50:12 23.77 2.45 19.02 2.30 209.17 3471.36 891.22 02:00:12 1.61 0.00 1.59 0.02 0.00 25.07 0.33 Average: 6.65 0.80 3.98 1.87 80.69 881.50 13799.64 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:12 6280868 7527720 292764 3.60 30520 1422228 524828 5.72 442340 1183156 144 01:00:12 6275336 7522748 297668 3.66 30736 1422548 524860 5.72 442532 1183696 224 01:10:12 6234104 7509128 310888 3.82 31112 1449436 524860 5.72 451776 1201884 252 01:20:12 6241412 7516940 303032 3.73 31280 1449760 525064 5.72 453480 1202376 132 01:30:11 6239740 7515852 303968 3.74 31452 1450136 525068 5.72 453416 1202896 132 01:40:10 6228720 7520064 299404 3.68 31748 1465012 541736 5.90 483368 1216408 316 01:50:12 5156376 7375028 391088 4.81 87440 2290792 631776 6.88 600820 2053852 212 02:00:12 5115976 7336668 429380 5.28 87588 2292692 656808 7.15 617436 2055900 240 Average: 5971566 7478018 328524 4.04 45234 1655326 556875 6.07 493146 1412521 206 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:12 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 00:50:12 ens3 13.71 6.84 34.96 1.80 0.00 0.00 0.00 0.00 01:00:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:12 ens3 0.42 0.05 0.06 0.03 0.00 0.00 0.00 0.00 01:10:12 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:12 ens3 0.92 0.49 3.29 0.06 0.00 0.00 0.00 0.00 01:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:12 ens3 0.41 0.08 0.11 0.05 0.00 0.00 0.00 0.00 01:30:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:11 ens3 0.25 0.07 0.07 0.03 0.00 0.00 0.00 0.00 01:40:10 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:10 ens3 12.45 5.85 20.22 3.26 0.00 0.00 0.00 0.00 01:50:12 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 01:50:12 ens3 62.40 44.90 317.35 9.15 0.00 0.00 0.00 0.00 02:00:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:12 ens3 12.91 11.36 107.32 1.05 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 12.96 8.72 60.47 1.93 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37885) 07/23/26 _x86_64_ (2 CPU) 00:39:53 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:12 all 0.72 0.00 0.40 1.82 0.02 97.05 00:50:12 0 0.49 0.00 0.49 1.39 0.02 97.61 00:50:12 1 0.95 0.00 0.31 2.25 0.02 96.48 01:00:12 all 0.28 0.00 0.17 0.01 0.02 99.53 01:00:12 0 0.10 0.00 0.18 0.02 0.02 99.68 01:00:12 1 0.46 0.00 0.15 0.00 0.02 99.37 01:10:12 all 0.36 0.00 0.11 0.02 0.02 99.50 01:10:12 0 0.41 0.00 0.12 0.03 0.02 99.42 01:10:12 1 0.30 0.00 0.09 0.02 0.02 99.58 01:20:12 all 0.26 0.00 0.07 0.01 0.02 99.64 01:20:12 0 0.07 0.00 0.09 0.01 0.02 99.81 01:20:12 1 0.45 0.00 0.06 0.02 0.01 99.46 01:30:11 all 0.26 0.00 0.16 0.03 0.02 99.53 01:30:11 0 0.09 0.00 0.19 0.00 0.02 99.71 01:30:11 1 0.43 0.00 0.14 0.06 0.02 99.35 01:40:10 all 0.54 0.00 0.10 0.03 0.02 99.31 01:40:10 0 0.38 0.00 0.11 0.02 0.02 99.47 01:40:10 1 0.69 0.00 0.10 0.05 0.02 99.15 01:50:12 all 11.90 0.00 1.76 0.71 0.06 85.57 01:50:12 0 11.72 0.00 1.73 0.87 0.05 85.63 01:50:12 1 12.09 0.00 1.78 0.55 0.07 85.52 02:00:12 all 0.87 0.00 0.30 0.01 0.05 98.78 02:00:12 0 0.72 0.00 0.28 0.02 0.04 98.94 02:00:12 1 1.02 0.00 0.31 0.01 0.06 98.61 Average: all 1.90 0.00 0.38 0.33 0.03 97.36 Average: 0 1.75 0.00 0.40 0.30 0.03 97.53 Average: 1 2.05 0.00 0.37 0.37 0.03 97.19