---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-39236 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 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 757 5196 4 2281 7184 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:16:32:61 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.82/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82513sec preferred_lft 82513sec inet6 fe80::f816:3eff:fe16:3261/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39236) 07/27/26 _x86_64_ (2 CPU) 00:42:10 LINUX RESTART (2 CPU) 00:50:39 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.32 0.01 1.29 0.02 0.06 17.34 930.73 01:10:41 1.20 0.00 1.18 0.02 0.00 14.91 1.35 01:20:51 1.17 0.00 1.15 0.02 0.01 14.36 1.08 01:30:01 1.90 0.27 1.59 0.04 33.79 82.57 239.11 01:40:07 1.70 0.40 1.28 0.02 16.71 47.29 1.24 Average: 1.45 0.13 1.29 0.02 9.69 34.40 221.29 00:50:39 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6285404 7532124 288312 3.55 30688 1421728 534748 5.82 448192 1183656 124 01:10:41 6285152 7532448 287980 3.54 30896 1422092 534748 5.82 448392 1184228 124 01:20:51 6292492 7540328 280092 3.44 31104 1422416 534972 5.83 448696 1184760 156 01:30:01 6231224 7506348 313604 3.86 31456 1448976 735796 8.01 463672 1202908 248 01:40:07 6224468 7515120 304492 3.74 31804 1464080 550328 5.99 483840 1216392 236 Average: 6263748 7525274 294896 3.63 31190 1435858 578118 6.30 458558 1194389 178 00:50:39 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.64 0.09 0.24 0.06 0.00 0.00 0.00 0.00 01:10:41 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:41 ens3 0.47 0.05 0.52 0.04 0.00 0.00 0.00 0.00 01:20:51 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:51 ens3 0.43 0.07 0.13 0.05 0.00 0.00 0.00 0.00 01:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.70 0.40 3.58 0.58 0.00 0.00 0.00 0.00 01:40:07 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:07 ens3 9.97 4.79 19.84 2.65 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 2.48 1.09 4.90 0.68 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39236) 07/27/26 _x86_64_ (2 CPU) 00:42:10 LINUX RESTART (2 CPU) 00:50:39 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.28 0.00 0.16 0.01 0.04 99.51 01:00:01 0 0.15 0.00 0.18 0.00 0.04 99.63 01:00:01 1 0.42 0.00 0.14 0.02 0.03 99.39 01:10:41 all 0.26 0.00 0.07 0.01 0.04 99.62 01:10:41 0 0.43 0.00 0.05 0.02 0.03 99.47 01:10:41 1 0.10 0.00 0.08 0.01 0.04 99.78 01:20:51 all 0.24 0.00 0.07 0.01 0.04 99.64 01:20:51 0 0.44 0.00 0.05 0.01 0.03 99.47 01:20:51 1 0.05 0.00 0.09 0.01 0.05 99.80 01:30:01 all 0.31 0.00 0.19 0.02 0.04 99.44 01:30:01 0 0.42 0.00 0.18 0.03 0.03 99.34 01:30:01 1 0.20 0.00 0.19 0.01 0.04 99.55 01:40:07 all 0.48 0.00 0.09 0.02 0.04 99.38 01:40:07 0 0.29 0.00 0.10 0.01 0.04 99.55 01:40:07 1 0.66 0.00 0.08 0.02 0.03 99.22 Average: all 0.31 0.00 0.11 0.01 0.04 99.52 Average: 0 0.35 0.00 0.11 0.01 0.04 99.49 Average: 1 0.28 0.00 0.11 0.01 0.04 99.55