---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-7800 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 UTC 2026 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 Indirect target selection: 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 Tsa: 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 8.1G 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 790 5041 4 2404 7151 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:0a:fe:39 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.181/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80045sec preferred_lft 80045sec inet6 fe80::f816:3eff:fe0a:fe39/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-7800) 09/13/26 _x86_64_ (2 CPU) 00:39:03 LINUX RESTART (2 CPU) 00:40:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:32 1.68 0.03 1.64 0.02 1.22 20.37 209.39 01:00:01 26.87 3.00 21.50 2.37 236.45 3688.26 1129.58 01:10:12 1.45 0.00 1.45 0.00 0.00 49.74 0.03 01:20:22 1.39 0.00 1.37 0.02 0.01 21.82 0.20 01:30:02 1.57 0.00 1.53 0.04 0.00 135.82 3.59 01:40:12 2.13 0.32 1.72 0.09 42.32 107.08 7.18 01:50:43 1.29 0.00 1.25 0.03 0.00 17.13 4.90 02:00:12 1.50 0.00 1.46 0.05 0.00 23.75 429.26 02:10:32 1.35 0.00 1.34 0.01 0.19 57.33 1.26 02:20:02 1.37 0.00 1.36 0.01 0.00 22.16 0.11 Average: 3.93 0.32 3.36 0.25 26.88 395.25 171.55 00:40:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:32 6299528 7546644 273524 3.36 30532 1423480 528920 5.76 443100 1183816 176 01:00:01 5165428 7356988 409728 5.04 87400 2265296 676400 7.37 629236 2037128 7784 01:10:12 5106776 7301424 465300 5.72 87544 2268316 706588 7.70 651812 2040296 124 01:20:22 5114092 7310724 455956 5.61 87716 2270144 706752 7.70 651984 2042284 180 01:30:02 5082788 7314140 452244 5.56 87888 2304524 717208 7.81 661520 2076720 240 01:40:12 5028172 7299656 465928 5.73 88420 2343680 918880 10.01 679836 2106324 188 01:50:43 5027164 7299500 466068 5.73 88616 2344324 918888 10.01 679800 2107164 140 02:00:12 5058460 7332312 433184 5.33 88752 2345664 886964 9.66 647620 2108640 184 02:10:32 5037476 7324624 440644 5.42 88876 2358668 889296 9.69 650268 2121760 220 02:20:02 5001888 7291236 474000 5.83 89000 2360704 915972 9.98 677232 2123800 204 Average: 5192177 7337725 433658 5.33 82474 2228480 786587 8.57 637241 1994793 944 00:40:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:32 ens3 1.74 0.15 0.35 0.07 0.00 0.00 0.00 0.00 01:00:01 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 01:00:01 ens3 83.48 61.41 353.11 13.32 0.00 0.00 0.00 0.00 01:10:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:12 ens3 22.26 18.84 303.34 1.82 0.00 0.00 0.00 0.00 01:20:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:22 ens3 8.07 7.47 60.29 0.86 0.00 0.00 0.00 0.00 01:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:02 ens3 3.20 2.27 38.08 0.22 0.00 0.00 0.00 0.00 01:40:12 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:40:12 ens3 3.16 1.97 3.61 0.27 0.00 0.00 0.00 0.00 01:50:43 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:43 ens3 2.69 1.70 0.32 0.22 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 8.81 8.07 126.63 0.97 0.00 0.00 0.00 0.00 02:10:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:32 ens3 21.35 20.15 212.31 2.15 0.00 0.00 0.00 0.00 02:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:02 ens3 14.33 13.38 147.45 1.18 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 16.50 13.24 122.59 2.04 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-7800) 09/13/26 _x86_64_ (2 CPU) 00:39:03 LINUX RESTART (2 CPU) 00:40:03 CPU %user %nice %system %iowait %steal %idle 00:50:32 all 0.32 0.00 0.16 0.01 0.01 99.50 00:50:32 0 0.20 0.00 0.18 0.00 0.01 99.61 00:50:32 1 0.44 0.00 0.14 0.02 0.00 99.39 01:00:01 all 12.44 0.00 2.23 0.61 0.02 84.70 01:00:01 0 15.20 0.00 2.48 0.60 0.02 81.69 01:00:01 1 9.68 0.00 1.97 0.62 0.01 87.72 01:10:12 all 1.24 0.00 0.35 0.01 0.01 98.39 01:10:12 0 0.82 0.00 0.34 0.02 0.01 98.82 01:10:12 1 1.67 0.00 0.35 0.01 0.01 97.95 01:20:22 all 1.05 0.00 0.27 0.01 0.01 98.67 01:20:22 0 0.68 0.00 0.21 0.00 0.01 99.11 01:20:22 1 1.43 0.00 0.33 0.02 0.01 98.22 01:30:02 all 1.15 0.00 0.33 0.01 0.02 98.48 01:30:02 0 0.90 0.00 0.30 0.01 0.01 98.78 01:30:02 1 1.44 0.00 0.38 0.02 0.02 98.14 01:40:12 all 0.75 0.00 0.23 0.02 0.01 98.99 01:40:12 0 0.87 0.00 0.24 0.04 0.01 98.85 01:40:12 1 0.64 0.00 0.21 0.01 0.01 99.13 01:50:43 all 0.58 0.00 0.17 0.01 0.01 99.23 01:50:43 0 0.52 0.00 0.12 0.02 0.01 99.33 01:50:43 1 0.64 0.00 0.21 0.00 0.01 99.13 02:00:12 all 0.89 0.00 0.33 0.01 0.01 98.76 02:00:12 0 1.16 0.00 0.43 0.01 0.01 98.39 02:00:12 1 0.62 0.00 0.24 0.01 0.01 99.13 02:10:32 all 2.09 0.00 0.41 0.01 0.02 97.48 02:10:32 0 2.65 0.00 0.47 0.01 0.02 96.85 02:10:32 1 1.53 0.00 0.35 0.01 0.01 98.10 02:20:02 all 0.93 0.00 0.29 0.01 0.01 98.76 02:20:02 0 1.18 0.00 0.38 0.01 0.01 98.42 02:20:02 1 0.69 0.00 0.20 0.01 0.01 99.09 Average: all 2.10 0.00 0.47 0.07 0.01 97.36 Average: 0 2.35 0.00 0.50 0.07 0.01 97.07 Average: 1 1.84 0.00 0.43 0.07 0.01 97.65