---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-39285 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 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 778 5013 4 2451 7163 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:ca:05:1f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.212/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 8454sec preferred_lft 8454sec inet6 fe80::f816:3eff:feca:51f/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-39285) 07/28/26 _x86_64_ (2 CPU) 00:00:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:26 1.80 0.01 1.77 0.01 0.79 20.86 0.18 00:20:01 1.95 0.11 1.81 0.03 3.19 24.78 973.56 00:30:31 22.77 2.85 17.70 2.22 216.36 3338.98 475.34 Average: 9.09 1.02 7.28 0.78 75.98 1167.86 470.73 00:00:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:26 6095708 7491908 317088 3.90 54152 1537996 559604 6.10 499264 1309844 364 00:20:01 6115756 7473564 335332 4.12 54292 1499396 557376 6.07 497776 1271172 240 00:30:31 5131972 7425528 330384 4.06 106212 2337928 583848 6.36 575640 2116172 2364 Average: 5781145 7463667 327601 4.03 71552 1791773 566943 6.18 524227 1565729 989 00:00:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:26 ens3 0.25 0.08 0.08 0.05 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.11 0.05 0.03 0.02 0.00 0.00 0.00 0.00 00:30:31 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:30:31 ens3 57.77 42.43 308.44 11.94 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 20.07 14.69 106.54 4.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39285) 07/28/26 _x86_64_ (2 CPU) 00:00:06 CPU %user %nice %system %iowait %steal %idle 00:10:26 all 0.24 0.00 0.10 0.01 0.04 99.62 00:10:26 0 0.04 0.00 0.10 0.00 0.04 99.81 00:10:26 1 0.44 0.00 0.09 0.01 0.03 99.42 00:20:01 all 0.62 0.00 0.22 0.01 0.04 99.11 00:20:01 0 0.71 0.00 0.21 0.01 0.03 99.04 00:20:01 1 0.53 0.00 0.24 0.02 0.04 99.17 00:30:31 all 10.89 0.00 1.66 0.50 0.06 86.89 00:30:31 0 8.25 0.00 1.40 0.43 0.05 89.87 00:30:31 1 13.53 0.00 1.92 0.57 0.07 83.91 Average: all 4.04 0.00 0.68 0.18 0.04 95.06 Average: 0 3.09 0.00 0.58 0.15 0.04 96.14 Average: 1 4.99 0.00 0.77 0.21 0.05 93.99