---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-11005 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 771 5118 4 2349 7170 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:4d:fb:da brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.229/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 51713sec preferred_lft 51713sec inet6 fe80::f816:3eff:fe4d:fbda/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-11005) 05/06/26 _x86_64_ (2 CPU) 00:00:28 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:08 1.77 0.02 1.74 0.02 0.84 20.68 0.21 00:20:28 1.85 0.10 1.72 0.03 2.95 23.83 495.54 00:30:11 21.22 3.08 16.03 2.11 231.62 2628.60 646.44 Average: 8.16 1.05 6.40 0.71 77.04 874.57 383.76 00:00:28 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:08 6109020 7505252 303516 3.73 54160 1538216 542292 5.91 477728 1309020 316 00:20:28 6147112 7505012 303696 3.73 54292 1499684 539888 5.88 476296 1270404 300 00:30:11 5177828 7371352 389684 4.79 103060 2245776 628832 6.85 616616 2020140 182516 Average: 5811320 7460539 332299 4.09 70504 1761225 570337 6.21 523547 1533188 61044 00:00:28 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:08 ens3 0.16 0.06 0.06 0.03 0.00 0.00 0.00 0.00 00:20:28 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:28 ens3 0.13 0.06 0.04 0.02 0.00 0.00 0.00 0.00 00:30:11 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 00:30:11 ens3 35.94 25.10 305.98 8.01 0.00 0.00 0.00 0.00 Average: lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 11.85 8.25 100.09 2.64 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11005) 05/06/26 _x86_64_ (2 CPU) 00:00:28 CPU %user %nice %system %iowait %steal %idle 00:10:08 all 0.25 0.00 0.10 0.01 0.04 99.60 00:10:08 0 0.15 0.00 0.13 0.01 0.05 99.65 00:10:08 1 0.34 0.00 0.08 0.01 0.03 99.54 00:20:28 all 0.65 0.00 0.21 0.01 0.04 99.08 00:20:28 0 0.48 0.00 0.22 0.02 0.05 99.23 00:20:28 1 0.82 0.00 0.19 0.01 0.03 98.94 00:30:11 all 10.09 0.00 1.62 0.56 0.06 87.68 00:30:11 0 10.11 0.00 1.70 0.54 0.06 87.59 00:30:11 1 10.07 0.00 1.53 0.57 0.06 87.77 Average: all 3.60 0.00 0.63 0.19 0.05 95.52 Average: 0 3.52 0.00 0.68 0.19 0.05 95.56 Average: 1 3.69 0.00 0.59 0.19 0.04 95.49