---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-39481 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 776 5120 4 2346 7165 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:bd:49:af brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.93/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80158sec preferred_lft 80158sec inet6 fe80::f816:3eff:febd:49af/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-39481) 07/28/26 _x86_64_ (2 CPU) 00:39:41 LINUX RESTART (2 CPU) 00:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 5.74 3.28 2.41 0.05 415.57 171.29 220.05 01:00:11 1.47 0.01 1.44 0.02 0.05 17.90 856.70 01:10:11 1.18 0.00 1.16 0.02 0.00 14.20 1.20 01:20:01 1.19 0.00 1.17 0.02 0.01 14.40 1.13 01:30:01 1.39 0.00 1.36 0.03 0.00 17.46 654.56 01:40:01 13.71 0.00 1.16 12.55 0.15 14.44 109127.09 01:50:01 38.02 16.38 19.29 2.35 375.39 3033.32 639.23 02:00:11 3.69 0.01 3.54 0.13 0.97 637.11 3.41 02:10:01 1.17 0.00 1.16 0.02 0.00 14.40 1.22 02:20:01 1.18 0.00 1.16 0.02 0.00 14.38 1.20 Average: 6.88 1.97 3.39 1.52 79.14 395.98 11154.34 00:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6230652 7504492 315680 3.88 30724 1448636 536316 5.84 457592 1200892 124 01:00:11 6248528 7522924 297196 3.65 30920 1448976 536372 5.84 457876 1201428 132 01:10:11 6255868 7530812 289300 3.56 31136 1449304 536664 5.85 458132 1201972 204 01:20:01 6255868 7531340 288764 3.55 31348 1449612 536704 5.85 458656 1202492 288 01:30:01 6239768 7515800 304280 3.74 31560 1449936 536832 5.85 458668 1203028 124 01:40:01 6247832 7524568 295520 3.63 31740 1450456 537936 5.86 459296 1203572 152 01:50:01 5109748 7381808 375592 4.62 91076 2332508 607380 6.62 591052 2098860 178648 02:00:11 5117840 7391728 365444 4.49 91604 2333604 628820 6.85 586960 2100416 180 02:10:01 5117600 7392004 365204 4.49 91764 2333960 628820 6.85 586988 2100932 168 02:20:01 5116676 7391572 365676 4.50 91904 2334312 628820 6.85 587004 2101424 284 Average: 5794038 7468705 326266 4.01 55378 1803130 571466 6.22 510222 1561502 18030 00:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 15.60 6.80 39.64 1.88 0.00 0.00 0.00 0.00 01:00:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:11 ens3 0.62 0.13 0.17 0.04 0.00 0.00 0.00 0.00 01:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:11 ens3 0.38 0.07 0.19 0.04 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 0.38 0.08 0.13 0.05 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 0.37 0.21 0.07 0.52 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 0.43 0.10 0.13 0.08 0.00 0.00 0.00 0.00 01:50:01 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 46.54 30.72 320.74 7.50 0.00 0.00 0.00 0.00 02:00:11 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:00:11 ens3 22.47 14.36 4.41 3.77 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 0.48 0.13 0.06 0.02 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 0.53 0.17 5.10 0.03 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 8.82 5.30 37.07 1.40 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39481) 07/28/26 _x86_64_ (2 CPU) 00:39:41 LINUX RESTART (2 CPU) 00:40:02 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.88 0.00 0.32 1.37 0.02 97.42 00:50:01 0 0.85 0.00 0.37 2.65 0.02 96.11 00:50:01 1 0.91 0.00 0.27 0.08 0.02 98.72 01:00:11 all 0.30 0.00 0.18 0.01 0.01 99.49 01:00:11 0 0.32 0.00 0.18 0.01 0.01 99.49 01:00:11 1 0.29 0.00 0.19 0.01 0.02 99.50 01:10:11 all 0.23 0.00 0.09 0.01 0.02 99.66 01:10:11 0 0.28 0.00 0.09 0.01 0.01 99.61 01:10:11 1 0.18 0.00 0.08 0.02 0.02 99.70 01:20:01 all 0.25 0.00 0.08 0.03 0.03 99.61 01:20:01 0 0.44 0.00 0.07 0.00 0.03 99.46 01:20:01 1 0.06 0.00 0.10 0.05 0.03 99.76 01:30:01 all 0.26 0.00 0.16 0.01 0.01 99.55 01:30:01 0 0.33 0.00 0.16 0.01 0.01 99.49 01:30:01 1 0.20 0.00 0.17 0.01 0.01 99.61 01:40:01 all 0.21 0.00 0.08 0.03 0.01 99.67 01:40:01 0 0.14 0.00 0.11 0.06 0.01 99.68 01:40:01 1 0.27 0.00 0.06 0.01 0.01 99.66 01:50:01 all 11.74 0.19 1.76 0.86 0.04 85.43 01:50:01 0 11.72 0.37 1.92 0.97 0.04 84.98 01:50:01 1 11.75 0.01 1.59 0.74 0.04 85.87 02:00:11 all 1.03 0.00 0.33 0.05 0.02 98.57 02:00:11 0 1.41 0.00 0.38 0.03 0.02 98.16 02:00:11 1 0.65 0.00 0.29 0.06 0.02 98.98 02:10:01 all 0.37 0.00 0.13 0.01 0.02 99.47 02:10:01 0 0.46 0.00 0.10 0.00 0.02 99.42 02:10:01 1 0.28 0.00 0.17 0.01 0.03 99.52 02:20:01 all 0.39 0.00 0.13 0.01 0.02 99.45 02:20:01 0 0.31 0.00 0.15 0.01 0.02 99.51 02:20:01 1 0.47 0.00 0.12 0.00 0.02 99.39 Average: all 1.57 0.02 0.33 0.24 0.02 97.83 Average: 0 1.63 0.04 0.35 0.37 0.02 97.59 Average: 1 1.51 0.00 0.30 0.10 0.02 98.07