---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-25568 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 764 5098 4 2371 7177 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:c6:78:45 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.20/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79838sec preferred_lft 79838sec inet6 fe80::f816:3eff:fec6:7845/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25568) 06/07/26 _x86_64_ (2 CPU) 01:41:49 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.44 0.01 1.40 0.03 0.05 17.42 655.78 02:10:01 1.19 0.00 1.17 0.02 0.00 14.26 1.09 02:20:01 1.17 0.00 1.15 0.02 0.01 13.79 1.20 02:30:01 1.50 0.00 1.47 0.03 0.00 18.37 873.38 02:40:01 1.78 0.25 1.50 0.02 30.96 73.27 1.25 02:50:01 1.36 0.00 1.34 0.01 1.05 16.09 0.55 03:00:01 1.54 0.00 1.53 0.02 0.00 18.57 871.09 03:10:01 38.51 3.01 20.02 15.48 227.65 3525.95 108185.48 03:20:01 1.48 0.00 1.48 0.00 0.00 59.83 0.03 03:30:01 3.80 0.04 3.10 0.66 1.08 396.40 1447.63 Average: 5.38 0.33 3.42 1.63 26.09 415.41 11204.69 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6290672 7542184 278148 3.42 30772 1426564 529104 5.76 438700 1187764 160 02:10:01 6290340 7542388 277896 3.42 30976 1426900 529240 5.76 438804 1188296 224 02:20:01 6289836 7542400 277848 3.42 31164 1427224 529240 5.76 438864 1188808 272 02:30:01 6285844 7538960 281260 3.46 31388 1427544 529236 5.76 438920 1189348 156 02:40:01 6243896 7523896 295848 3.64 31748 1453700 725848 7.91 453648 1206984 156 02:50:01 6246936 7527788 291968 3.59 31948 1454340 530592 5.78 448520 1207512 180 03:00:01 6245472 7526868 292776 3.60 32140 1454672 530788 5.78 449952 1208036 160 03:10:01 5188836 7400524 366292 4.50 86980 2285016 634984 6.92 596340 2047628 312 03:20:01 5175336 7399752 367056 4.51 87108 2297612 644848 7.02 598800 2060356 332 03:30:01 5237244 7358020 417052 5.13 88340 2200348 701440 7.64 648128 1964024 24784 Average: 5949441 7490278 314614 3.87 48256 1685392 588532 6.41 495068 1444876 2674 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.79 0.07 0.09 0.03 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 0.30 0.04 0.05 0.01 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 0.43 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.18 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.81 0.24 3.89 0.07 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.25 0.05 0.06 0.03 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.47 0.19 0.14 0.53 0.00 0.00 0.00 0.00 03:10:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:10:01 ens3 73.26 48.33 319.38 12.21 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 39.08 34.37 8.12 4.50 0.00 0.00 0.00 0.00 03:30:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 47.22 42.72 27.87 20.98 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 16.28 12.60 35.97 3.84 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25568) 06/07/26 _x86_64_ (2 CPU) 01:41:49 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.29 0.00 0.17 0.07 0.03 99.44 02:00:01 0 0.36 0.00 0.14 0.04 0.03 99.44 02:00:01 1 0.23 0.00 0.20 0.10 0.04 99.43 02:10:01 all 0.21 0.00 0.08 0.05 0.04 99.63 02:10:01 0 0.17 0.00 0.08 0.02 0.04 99.69 02:10:01 1 0.26 0.00 0.07 0.08 0.03 99.56 02:20:01 all 0.26 0.00 0.08 0.05 0.03 99.59 02:20:01 0 0.38 0.00 0.07 0.04 0.03 99.48 02:20:01 1 0.13 0.00 0.10 0.05 0.04 99.69 02:30:01 all 0.27 0.00 0.17 0.09 0.04 99.44 02:30:01 0 0.28 0.00 0.18 0.15 0.04 99.35 02:30:01 1 0.27 0.00 0.15 0.03 0.03 99.52 02:40:01 all 0.38 0.00 0.10 0.16 0.03 99.33 02:40:01 0 0.47 0.00 0.07 0.10 0.02 99.33 02:40:01 1 0.29 0.00 0.13 0.21 0.04 99.34 02:50:01 all 0.19 0.00 0.07 0.03 0.03 99.68 02:50:01 0 0.17 0.00 0.08 0.02 0.03 99.71 02:50:01 1 0.22 0.00 0.07 0.05 0.03 99.64 03:00:01 all 0.28 0.00 0.17 0.02 0.03 99.50 03:00:01 0 0.42 0.00 0.14 0.01 0.02 99.41 03:00:01 1 0.14 0.00 0.20 0.03 0.03 99.60 03:10:01 all 14.26 0.00 1.91 3.72 0.07 80.04 03:10:01 0 14.37 0.00 1.88 4.37 0.07 79.31 03:10:01 1 14.15 0.00 1.94 3.07 0.07 80.76 03:20:01 all 6.03 0.00 0.49 0.05 0.06 93.37 03:20:01 0 5.19 0.00 0.46 0.06 0.06 94.22 03:20:01 1 6.86 0.00 0.51 0.05 0.07 92.52 03:30:01 all 9.95 0.00 0.76 0.31 0.07 88.91 03:30:01 0 13.51 0.00 0.85 0.51 0.07 85.06 03:30:01 1 6.39 0.00 0.67 0.12 0.07 92.75 Average: all 3.20 0.00 0.40 0.46 0.04 95.90 Average: 0 3.52 0.00 0.39 0.53 0.04 95.52 Average: 1 2.89 0.00 0.40 0.38 0.04 96.29