---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-39536 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: 5599.86 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 786 5093 4 2363 7155 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:2f:83:49 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.191/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 50439sec preferred_lft 50439sec inet6 fe80::f816:3eff:fe2f:8349/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39536) 07/29/26 _x86_64_ (2 CPU) 00:00:49 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:31 1.74 0.02 1.71 0.02 0.84 20.55 0.33 00:20:49 1.97 0.10 1.83 0.03 2.97 25.09 520.85 00:30:21 1.85 0.00 1.83 0.02 0.00 20.41 0.46 00:40:01 26.28 2.94 20.94 2.41 231.52 3585.26 895.34 00:50:31 1.74 0.00 1.73 0.02 0.00 24.85 1.08 Average: 6.58 0.60 5.50 0.49 45.80 715.52 282.25 00:00:49 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:31 6140128 7540988 267616 3.29 54032 1542672 741168 8.07 457300 1314032 216 00:20:49 6162388 7524912 283528 3.49 54200 1504104 738900 8.05 456232 1275416 136 00:30:21 6161300 7524252 284156 3.49 54336 1504392 738900 8.05 456676 1275840 164 00:40:01 5116556 7403472 351952 4.33 105448 2332132 837656 9.12 594744 2109572 804 00:50:31 5044176 7332936 422568 5.20 105532 2333996 875796 9.54 624076 2111516 128 Average: 5724910 7465312 321964 3.96 74710 1843459 786484 8.57 517806 1617275 290 00:00:49 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:31 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:31 ens3 0.26 0.10 0.11 0.06 0.00 0.00 0.00 0.00 00:20:49 lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 00:20:49 ens3 0.17 0.08 0.06 0.03 0.00 0.00 0.00 0.00 00:30:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:21 ens3 0.52 0.14 0.18 0.10 0.00 0.00 0.00 0.00 00:40:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 66.49 49.33 327.91 13.04 0.00 0.00 0.00 0.00 00:50:31 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:31 ens3 12.16 9.51 68.82 1.01 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 15.68 11.67 78.36 2.79 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39536) 07/29/26 _x86_64_ (2 CPU) 00:00:49 CPU %user %nice %system %iowait %steal %idle 00:10:31 all 0.22 0.00 0.10 0.01 0.03 99.64 00:10:31 0 0.39 0.00 0.10 0.01 0.02 99.48 00:10:31 1 0.04 0.00 0.10 0.01 0.04 99.81 00:20:49 all 0.64 0.00 0.20 0.01 0.04 99.11 00:20:49 0 0.67 0.00 0.15 0.01 0.02 99.14 00:20:49 1 0.62 0.00 0.25 0.00 0.05 99.08 00:30:21 all 0.23 0.00 0.16 0.01 0.04 99.56 00:30:21 0 0.30 0.00 0.13 0.01 0.03 99.53 00:30:21 1 0.17 0.00 0.19 0.01 0.05 99.59 00:40:01 all 12.36 0.00 1.77 0.51 0.06 85.30 00:40:01 0 11.12 0.00 1.56 0.41 0.06 86.86 00:40:01 1 13.61 0.00 1.98 0.60 0.06 83.75 00:50:31 all 0.81 0.00 0.18 0.01 0.08 98.92 00:50:31 0 0.97 0.00 0.21 0.01 0.09 98.73 00:50:31 1 0.64 0.00 0.15 0.00 0.08 99.12 Average: all 2.79 0.00 0.47 0.10 0.05 96.58 Average: 0 2.64 0.00 0.42 0.09 0.04 96.81 Average: 1 2.95 0.00 0.52 0.12 0.06 96.35