---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-11892 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: 5600.00 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 754 5296 4 2179 7187 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:2c:cf:a9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.60/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81731sec preferred_lft 81731sec inet6 fe80::f816:3eff:fe2c:cfa9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11892) 05/08/26 _x86_64_ (2 CPU) 01:58:04 LINUX RESTART (2 CPU) 02:00:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:00 1.21 0.03 1.18 0.00 1.26 14.62 0.12 02:20:40 1.26 0.01 1.25 0.00 0.06 14.95 0.11 02:30:10 1.97 0.27 1.67 0.03 33.71 78.95 917.24 02:40:01 1.20 0.00 1.18 0.02 0.00 14.39 1.10 02:50:40 1.20 0.00 1.18 0.02 0.00 14.64 1.25 03:00:00 1.50 0.00 1.47 0.03 0.00 18.44 934.31 03:10:01 26.11 1.77 10.24 14.10 118.43 2063.94 107554.06 Average: 4.92 0.30 2.59 2.03 21.74 317.50 15659.05 02:00:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:00 6289624 7536300 284184 3.49 30540 1421808 530904 5.78 447916 1183228 148 02:20:40 6288952 7536196 284340 3.50 30740 1422164 530904 5.78 448000 1183784 124 02:30:10 6247832 7522080 297948 3.66 31108 1448428 530900 5.78 457132 1201340 208 02:40:01 6247608 7522352 297680 3.66 31312 1448720 531144 5.79 457576 1201836 156 02:50:40 6247356 7522700 297356 3.66 31540 1449084 531144 5.79 457772 1202428 124 03:00:00 6241824 7517796 302212 3.72 31736 1449504 531272 5.79 458496 1202916 124 03:10:01 5543788 7394280 390720 4.80 69628 1956236 647660 7.05 596880 1730820 268 Average: 6158141 7507386 307777 3.78 36658 1513706 547704 5.97 474825 1272336 165 02:00:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 0.76 0.05 0.07 0.01 0.00 0.00 0.00 0.00 02:20:40 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:40 ens3 0.42 0.05 2.13 0.01 0.00 0.00 0.00 0.00 02:30:10 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:10 ens3 0.55 0.25 3.29 0.03 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.47 0.09 0.31 0.07 0.00 0.00 0.00 0.00 02:50:40 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:40 ens3 0.25 0.06 0.07 0.03 0.00 0.00 0.00 0.00 03:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:00 ens3 0.42 0.21 0.14 0.56 0.00 0.00 0.00 0.00 03:10:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 03:10:01 ens3 38.56 23.73 263.31 5.87 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 5.93 3.50 38.58 0.94 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11892) 05/08/26 _x86_64_ (2 CPU) 01:58:04 LINUX RESTART (2 CPU) 02:00:08 CPU %user %nice %system %iowait %steal %idle 02:10:00 all 0.27 0.00 0.07 0.01 0.02 99.63 02:10:00 0 0.18 0.00 0.09 0.01 0.02 99.70 02:10:00 1 0.37 0.00 0.06 0.01 0.02 99.55 02:20:40 all 0.25 0.00 0.08 0.11 0.02 99.54 02:20:40 0 0.19 0.00 0.08 0.03 0.02 99.68 02:20:40 1 0.30 0.00 0.07 0.20 0.02 99.40 02:30:10 all 0.41 0.00 0.21 0.05 0.02 99.30 02:30:10 0 0.30 0.00 0.24 0.06 0.02 99.37 02:30:10 1 0.53 0.00 0.19 0.03 0.02 99.24 02:40:01 all 0.29 0.00 0.07 0.03 0.02 99.60 02:40:01 0 0.48 0.00 0.06 0.02 0.01 99.43 02:40:01 1 0.09 0.00 0.09 0.03 0.02 99.77 02:50:40 all 0.25 0.00 0.08 0.04 0.02 99.62 02:50:40 0 0.36 0.00 0.06 0.03 0.01 99.54 02:50:40 1 0.14 0.00 0.10 0.05 0.02 99.69 03:00:00 all 0.32 0.00 0.18 0.02 0.02 99.47 03:00:00 0 0.31 0.00 0.18 0.03 0.02 99.47 03:00:00 1 0.32 0.00 0.18 0.01 0.02 99.47 03:10:01 all 5.53 0.00 0.87 0.43 0.03 93.14 03:10:01 0 7.01 0.00 1.06 0.59 0.03 91.31 03:10:01 1 4.05 0.00 0.67 0.28 0.03 94.97 Average: all 1.05 0.00 0.22 0.10 0.02 98.61 Average: 0 1.26 0.00 0.25 0.11 0.02 98.36 Average: 1 0.83 0.00 0.19 0.09 0.02 98.87