---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-814 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 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 760 5039 4 2443 7181 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:1d:4c:ef brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.226/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 51980sec preferred_lft 51980sec inet6 fe80::f816:3eff:fe1d:4cef/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-814) 08/01/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:04 1.56 0.01 1.53 0.01 0.81 19.11 0.19 00:20:04 1.71 0.11 1.57 0.04 3.05 22.95 147.04 00:30:01 24.02 3.00 18.70 2.32 228.30 3472.47 865.77 Average: 9.06 1.04 7.24 0.79 77.00 1165.55 336.16 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:04 6112240 7509372 299036 3.68 54344 1538908 534480 5.82 467088 1310008 224 00:20:04 6140468 7499384 308896 3.80 54512 1500472 532640 5.80 465884 1271524 228 00:30:01 5156344 7442136 313400 3.85 105984 2330676 565912 6.16 550312 2107752 2516 Average: 5803017 7483631 307111 3.78 71613 1790019 544344 5.93 494428 1563095 989 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:04 ens3 0.46 0.10 0.13 0.06 0.00 0.00 0.00 0.00 00:20:04 lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 00:20:04 ens3 0.43 0.15 0.16 0.10 0.00 0.00 0.00 0.00 00:30:01 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 00:30:01 ens3 64.34 42.91 318.13 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 21.63 14.31 105.59 4.01 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-814) 08/01/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:04 all 0.26 0.00 0.11 0.01 0.03 99.59 00:10:04 0 0.22 0.00 0.11 0.01 0.03 99.63 00:10:04 1 0.30 0.00 0.11 0.01 0.03 99.56 00:20:04 all 0.67 0.00 0.21 0.01 0.03 99.07 00:20:04 0 0.55 0.00 0.21 0.02 0.03 99.19 00:20:04 1 0.80 0.00 0.22 0.01 0.03 98.95 00:30:01 all 11.83 0.00 1.75 0.45 0.05 85.92 00:30:01 0 8.72 0.00 1.46 0.46 0.04 89.32 00:30:01 1 14.95 0.00 2.04 0.44 0.06 82.52 Average: all 4.23 0.00 0.69 0.16 0.04 94.89 Average: 0 3.15 0.00 0.59 0.16 0.04 96.07 Average: 1 5.32 0.00 0.78 0.15 0.04 93.71