---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2850 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 7.9G 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 746 5225 4 2258 7195 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:78:1b:6f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.13/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79203sec preferred_lft 79203sec inet6 fe80::f816:3eff:fe78:1b6f/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-2850) 04/15/26 _x86_64_ (2 CPU) 00:41:21 LINUX RESTART (2 CPU) 00:50:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:06 1.44 0.01 1.42 0.02 0.05 17.85 871.45 01:10:01 1.11 0.00 1.09 0.02 0.00 13.58 1.21 01:20:01 1.16 0.00 1.14 0.02 0.01 14.00 1.09 01:30:06 2.06 0.32 1.70 0.04 39.75 75.07 649.43 01:40:01 1.28 0.03 1.24 0.02 2.16 15.12 1.13 01:50:05 22.42 3.01 17.21 2.20 225.32 3099.06 941.87 02:00:01 1.52 0.00 1.49 0.02 0.00 24.68 0.97 02:10:01 1.23 0.00 1.23 0.00 0.00 17.05 0.00 02:20:06 14.75 0.00 1.41 13.33 0.15 137.27 106199.13 02:30:06 1.57 0.00 1.55 0.02 0.00 33.98 0.69 02:40:01 3.13 0.04 2.55 0.53 1.44 104.93 2009.50 Average: 4.72 0.31 2.92 1.49 24.64 325.35 10146.11 00:50:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:06 6298840 7545600 274872 3.38 30684 1421768 528068 5.75 445056 1183420 96 01:10:01 6298588 7545880 274616 3.38 30884 1422096 528068 5.75 445120 1183948 152 01:20:01 6301876 7549716 270736 3.33 31100 1422420 530720 5.78 448476 1184488 188 01:30:06 6248352 7525420 294296 3.62 31492 1450828 531016 5.78 459680 1201912 180 01:40:01 6243468 7521844 297876 3.66 31696 1451924 531080 5.78 461056 1202524 248 01:50:05 5217964 7330196 441600 5.43 85140 2191220 670012 7.30 639468 1950148 204 02:00:01 5202508 7316872 454908 5.59 85288 2193208 695436 7.57 656660 1952280 192 02:10:01 5202804 7318304 453472 5.58 85412 2194220 695452 7.57 656768 1953420 244 02:20:06 5165108 7317940 453720 5.58 85576 2231272 688724 7.50 648384 1990608 808 02:30:06 5130200 7287380 484120 5.95 85732 2235408 723368 7.88 683452 1994772 244 02:40:01 5259804 7312164 468204 5.76 86968 2137580 757396 8.25 701464 1897904 84384 Average: 5688137 7415574 378947 4.66 60907 1850177 625395 6.81 567780 1608675 7904 00:50:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:06 ens3 0.68 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.38 0.04 0.08 0.03 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 0.44 0.10 0.12 0.06 0.00 0.00 0.00 0.00 01:30:06 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:06 ens3 0.50 0.22 3.08 0.05 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 0.52 0.19 0.16 0.62 0.00 0.00 0.00 0.00 01:50:05 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:05 ens3 69.18 47.25 407.14 10.94 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 16.99 15.46 169.29 1.33 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 3.44 3.01 5.09 0.49 0.00 0.00 0.00 0.00 02:20:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:06 ens3 18.40 17.12 184.22 1.75 0.00 0.00 0.00 0.00 02:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:06 ens3 20.50 19.87 224.84 1.91 0.00 0.00 0.00 0.00 02:40:01 lo 1.02 1.02 0.06 0.06 0.00 0.00 0.00 0.00 02:40:01 ens3 16.41 13.70 70.49 8.59 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 13.45 10.67 97.09 2.35 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2850) 04/15/26 _x86_64_ (2 CPU) 00:41:21 LINUX RESTART (2 CPU) 00:50:06 CPU %user %nice %system %iowait %steal %idle 01:00:06 all 0.28 0.00 0.18 0.03 0.03 99.48 01:00:06 0 0.23 0.00 0.17 0.02 0.03 99.56 01:00:06 1 0.33 0.00 0.19 0.05 0.03 99.41 01:10:01 all 0.22 0.00 0.09 0.01 0.04 99.65 01:10:01 0 0.06 0.00 0.09 0.01 0.03 99.81 01:10:01 1 0.37 0.00 0.09 0.01 0.04 99.49 01:20:01 all 0.28 0.00 0.07 0.01 0.03 99.61 01:20:01 0 0.29 0.00 0.06 0.02 0.02 99.60 01:20:01 1 0.26 0.00 0.09 0.01 0.03 99.61 01:30:06 all 0.36 0.00 0.22 0.02 0.03 99.36 01:30:06 0 0.30 0.00 0.21 0.03 0.02 99.43 01:30:06 1 0.42 0.00 0.24 0.02 0.03 99.29 01:40:01 all 0.30 0.00 0.09 0.01 0.02 99.58 01:40:01 0 0.25 0.00 0.08 0.00 0.03 99.64 01:40:01 1 0.35 0.00 0.09 0.01 0.02 99.53 01:50:05 all 11.36 0.00 1.73 0.54 0.06 86.31 01:50:05 0 11.91 0.00 1.88 0.56 0.06 85.58 01:50:05 1 10.80 0.00 1.58 0.52 0.06 87.04 02:00:01 all 0.94 0.00 0.31 0.04 0.05 98.67 02:00:01 0 1.17 0.00 0.31 0.02 0.04 98.46 02:00:01 1 0.71 0.00 0.31 0.06 0.05 98.88 02:10:01 all 6.41 0.00 0.68 0.01 0.07 92.84 02:10:01 0 5.70 0.00 0.62 0.01 0.07 93.60 02:10:01 1 7.12 0.00 0.74 0.01 0.07 92.07 02:20:06 all 2.11 0.00 0.33 0.04 0.04 97.48 02:20:06 0 0.93 0.00 0.19 0.01 0.03 98.84 02:20:06 1 3.30 0.00 0.46 0.07 0.05 96.11 02:30:06 all 1.78 0.00 0.41 0.01 0.04 97.77 02:30:06 0 1.33 0.00 0.37 0.01 0.04 98.25 02:30:06 1 2.22 0.00 0.44 0.01 0.05 97.28 02:40:01 all 2.37 0.00 0.33 0.03 0.05 97.22 02:40:01 0 1.12 0.00 0.31 0.04 0.04 98.48 02:40:01 1 3.63 0.00 0.34 0.03 0.05 95.95 Average: CPU %user %nice %system %iowait %steal %idle Average: all 2.40 0.00 0.40 0.07 0.04 97.09 Average: 0 2.11 0.00 0.39 0.07 0.04 97.39 Average: 1 2.68 0.00 0.42 0.07 0.04 96.79