---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1627 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 780 5094 4 2360 7161 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:4c:76:99 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.11/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78774sec preferred_lft 78774sec inet6 fe80::f816:3eff:fe4c:7699/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1627) 08/03/26 _x86_64_ (2 CPU) 00:42:42 LINUX RESTART (2 CPU) 00:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:04 1.59 0.01 1.56 0.03 0.05 19.03 654.98 01:10:04 1.94 0.26 1.65 0.03 32.03 77.23 1.43 01:20:04 1.35 0.00 1.34 0.01 0.01 15.60 0.48 01:30:04 1.55 0.00 1.53 0.02 0.00 18.65 653.42 01:40:04 1.34 0.00 1.34 0.00 0.00 15.87 0.00 01:50:04 24.79 1.45 9.99 13.36 106.62 1585.56 109229.95 02:00:04 13.71 1.42 10.71 1.57 119.52 1969.30 661.94 02:10:04 1.29 0.00 1.28 0.01 0.00 21.73 0.08 02:20:04 1.37 0.00 1.37 0.00 0.00 130.01 0.00 02:30:04 1.66 0.00 1.62 0.04 0.00 33.33 399.87 02:40:04 1.46 0.00 1.43 0.03 0.00 32.63 3.55 Average: 4.73 0.28 3.08 1.37 23.48 356.27 10145.79 00:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:04 6283116 7534496 285916 3.52 30744 1426264 529476 5.77 444188 1187936 176 01:10:04 6246160 7525244 294768 3.62 31136 1453204 529776 5.77 453568 1206196 180 01:20:04 6253496 7533088 286924 3.53 31316 1453528 529776 5.77 453800 1206700 212 01:30:04 6253748 7533892 286108 3.52 31516 1453860 529840 5.77 454184 1207232 216 01:40:04 6253748 7534524 285468 3.51 31684 1454316 529904 5.77 454632 1207728 224 01:50:04 5373400 7351836 428952 5.27 69980 2080120 688384 7.50 635972 1856768 264332 02:00:04 5115108 7329904 436464 5.37 87732 2286492 697788 7.60 650148 2050364 188 02:10:04 5136072 7352968 413400 5.08 87868 2288460 673460 7.34 618700 2052460 220 02:20:04 5069780 7321780 444540 5.47 88000 2323348 716448 7.80 659628 2087488 616 02:30:04 5086600 7341980 424208 5.22 88192 2326500 682664 7.44 626184 2090832 196 02:40:04 5055084 7315416 450480 5.54 88392 2331124 772316 8.41 665444 2095524 204 Average: 5647847 7425012 367021 4.51 60596 1897929 625439 6.81 556041 1659021 24251 00:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:04 ens3 0.55 0.06 0.06 0.02 0.00 0.00 0.00 0.00 01:10:04 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:04 ens3 0.62 0.23 3.27 0.05 0.00 0.00 0.00 0.00 01:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:04 ens3 0.59 0.11 3.71 0.06 0.00 0.00 0.00 0.00 01:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:04 ens3 0.57 0.08 0.68 0.05 0.00 0.00 0.00 0.00 01:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:04 ens3 0.71 0.22 0.14 0.59 0.00 0.00 0.00 0.00 01:50:04 lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 01:50:04 ens3 38.63 24.51 277.97 5.77 0.00 0.00 0.00 0.00 02:00:04 lo 1.18 1.18 0.07 0.07 0.00 0.00 0.00 0.00 02:00:04 ens3 42.73 35.87 179.70 6.90 0.00 0.00 0.00 0.00 02:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:04 ens3 14.00 12.68 140.22 1.12 0.00 0.00 0.00 0.00 02:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:04 ens3 6.25 5.09 41.78 0.66 0.00 0.00 0.00 0.00 02:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:04 ens3 15.17 14.42 148.95 1.56 0.00 0.00 0.00 0.00 02:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:04 ens3 29.78 27.00 229.17 9.32 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 13.60 10.93 93.24 2.37 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1627) 08/03/26 _x86_64_ (2 CPU) 00:42:42 LINUX RESTART (2 CPU) 00:50:04 CPU %user %nice %system %iowait %steal %idle 01:00:04 all 0.28 0.00 0.18 1.34 0.03 98.18 01:00:04 0 0.24 0.00 0.18 2.13 0.03 97.42 01:00:04 1 0.31 0.00 0.19 0.54 0.02 98.94 01:10:04 all 0.40 0.00 0.12 0.03 0.02 99.43 01:10:04 0 0.32 0.00 0.11 0.02 0.02 99.53 01:10:04 1 0.48 0.00 0.14 0.03 0.02 99.34 01:20:04 all 0.25 0.00 0.08 0.02 0.02 99.63 01:20:04 0 0.07 0.00 0.09 0.03 0.02 99.79 01:20:04 1 0.43 0.00 0.08 0.00 0.02 99.48 01:30:04 all 0.31 0.00 0.18 0.01 0.02 99.48 01:30:04 0 0.27 0.00 0.18 0.02 0.02 99.52 01:30:04 1 0.36 0.00 0.18 0.00 0.02 99.44 01:40:04 all 0.28 0.00 0.09 0.01 0.01 99.61 01:40:04 0 0.17 0.00 0.10 0.01 0.02 99.70 01:40:04 1 0.39 0.00 0.08 0.01 0.01 99.51 01:50:04 all 6.05 0.00 0.90 0.39 0.03 92.63 01:50:04 0 7.79 0.00 0.97 0.58 0.03 90.63 01:50:04 1 4.30 0.00 0.82 0.20 0.03 94.65 02:00:04 all 7.81 0.00 1.33 0.20 0.05 90.62 02:00:04 0 7.92 0.00 1.26 0.13 0.05 90.64 02:00:04 1 7.69 0.00 1.39 0.26 0.05 90.60 02:10:04 all 1.02 0.00 0.26 0.04 0.04 98.64 02:10:04 0 0.89 0.00 0.24 0.07 0.04 98.76 02:10:04 1 1.14 0.00 0.28 0.01 0.04 98.53 02:20:04 all 7.42 0.00 0.72 0.01 0.09 91.77 02:20:04 0 9.40 0.00 0.86 0.01 0.09 89.64 02:20:04 1 5.48 0.00 0.58 0.01 0.08 93.85 02:30:04 all 1.34 0.00 0.36 0.01 0.06 98.23 02:30:04 0 1.21 0.00 0.27 0.01 0.05 98.46 02:30:04 1 1.47 0.00 0.44 0.01 0.07 98.01 02:40:04 all 1.95 0.00 0.37 0.03 0.06 97.58 02:40:04 0 1.75 0.00 0.23 0.01 0.05 97.97 02:40:04 1 2.16 0.00 0.52 0.05 0.08 97.19 Average: CPU %user %nice %system %iowait %steal %idle Average: all 2.45 0.00 0.42 0.19 0.04 96.91 Average: 0 2.70 0.00 0.41 0.28 0.04 96.58 Average: 1 2.19 0.00 0.43 0.10 0.04 97.24