---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-39064 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 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 761 5148 4 2325 7180 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:a0:00:dd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.36/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82132sec preferred_lft 82132sec inet6 fe80::f816:3eff:fea0:dd/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-39064) 07/26/26 _x86_64_ (2 CPU) 02:36:34 LINUX RESTART (2 CPU) 02:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:50:01 1.25 0.02 1.22 0.00 1.24 14.93 0.12 03:00:08 1.93 0.26 1.64 0.04 30.65 77.36 647.08 03:10:01 1.18 0.01 1.16 0.02 1.07 14.32 1.03 03:20:01 1.19 0.00 1.19 0.00 0.01 14.66 0.00 03:30:08 13.92 0.00 1.50 12.41 0.14 19.39 107879.14 03:40:01 1.17 0.00 1.17 0.00 0.00 14.40 0.00 Average: 3.47 0.05 1.32 2.10 5.58 25.98 18292.86 02:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:50:01 6295924 7547352 273412 3.36 30608 1426492 529720 5.77 441888 1187452 160 03:00:08 6243588 7522420 297700 3.66 31024 1453088 738492 8.04 456456 1205700 168 03:10:01 6258484 7538144 282068 3.47 31204 1453728 529820 5.77 451328 1206204 312 03:20:01 6257488 7537632 282564 3.47 31360 1454052 530052 5.77 451544 1206680 176 03:30:08 6257812 7538648 281400 3.46 31544 1454560 530052 5.77 452020 1207216 184 03:40:01 6257560 7538884 281204 3.46 31696 1454884 530072 5.77 452388 1207700 124 Average: 6261809 7537180 283058 3.48 31239 1449467 564701 6.15 450937 1203492 187 02:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 1.54 0.09 0.29 0.04 0.00 0.00 0.00 0.00 03:00:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:00:08 ens3 0.74 0.24 3.25 0.07 0.00 0.00 0.00 0.00 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 0.34 0.04 0.06 0.01 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 0.34 0.04 0.17 0.01 0.00 0.00 0.00 0.00 03:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:08 ens3 0.37 0.08 0.11 0.06 0.00 0.00 0.00 0.00 03:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:01 ens3 0.36 0.07 0.09 0.05 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 0.62 0.10 0.67 0.04 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39064) 07/26/26 _x86_64_ (2 CPU) 02:36:34 LINUX RESTART (2 CPU) 02:40:01 CPU %user %nice %system %iowait %steal %idle 02:50:01 all 0.29 0.00 0.09 0.05 0.03 99.54 02:50:01 0 0.29 0.00 0.08 0.01 0.02 99.59 02:50:01 1 0.29 0.00 0.10 0.08 0.03 99.50 03:00:08 all 0.40 0.00 0.19 0.05 0.03 99.33 03:00:08 0 0.22 0.00 0.21 0.05 0.03 99.49 03:00:08 1 0.58 0.00 0.17 0.05 0.03 99.17 03:10:01 all 0.26 0.00 0.07 0.02 0.02 99.62 03:10:01 0 0.07 0.00 0.09 0.02 0.03 99.80 03:10:01 1 0.45 0.00 0.06 0.02 0.02 99.45 03:20:01 all 0.24 0.00 0.08 0.01 0.03 99.64 03:20:01 0 0.23 0.00 0.08 0.02 0.03 99.65 03:20:01 1 0.26 0.00 0.08 0.01 0.03 99.64 03:30:08 all 0.29 0.00 0.17 0.03 0.03 99.48 03:30:08 0 0.15 0.00 0.19 0.03 0.03 99.59 03:30:08 1 0.42 0.00 0.15 0.02 0.03 99.37 03:40:01 all 0.20 0.00 0.07 0.01 0.03 99.69 03:40:01 0 0.35 0.00 0.06 0.00 0.02 99.57 03:40:01 1 0.05 0.00 0.09 0.02 0.04 99.81 Average: all 0.28 0.00 0.11 0.03 0.03 99.55 Average: 0 0.22 0.00 0.12 0.02 0.03 99.61 Average: 1 0.34 0.00 0.11 0.03 0.03 99.49