---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8222 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 7.9G 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 752 5144 4 2342 7189 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:14:3c:f5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.247/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80501sec preferred_lft 80501sec inet6 fe80::f816:3eff:fe14:3cf5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8222) 03/24/26 _x86_64_ (2 CPU) 00:00:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:17 1.98 0.01 1.95 0.02 0.81 23.25 0.36 00:20:18 1.87 0.11 1.74 0.03 3.05 24.00 587.49 00:30:18 22.99 3.16 17.59 2.24 230.16 3119.97 657.27 Average: 8.95 1.09 7.09 0.76 77.99 1055.50 415.04 00:00:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:17 6127536 7525384 283540 3.49 54280 1539532 537872 5.86 469232 1308532 224 00:20:18 6139796 7499452 309324 3.80 54408 1501160 534888 5.83 467956 1270064 328 00:30:18 5224112 7409288 352052 4.33 103972 2236544 642064 6.99 596728 2009568 596 Average: 5830481 7478041 314972 3.87 70887 1759079 571608 6.23 511305 1529388 383 00:00:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:17 ens3 0.17 0.05 0.07 0.03 0.00 0.00 0.00 0.00 00:20:18 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:18 ens3 0.10 0.04 0.04 0.01 0.00 0.00 0.00 0.00 00:30:18 lo 1.31 1.31 0.11 0.11 0.00 0.00 0.00 0.00 00:30:18 ens3 56.23 38.46 296.70 11.39 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 18.83 12.85 98.91 3.81 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8222) 03/24/26 _x86_64_ (2 CPU) 00:00:17 CPU %user %nice %system %iowait %steal %idle 00:10:17 all 0.23 0.00 0.11 0.01 0.04 99.61 00:10:17 0 0.05 0.00 0.12 0.01 0.05 99.77 00:10:17 1 0.41 0.00 0.10 0.01 0.03 99.45 00:20:18 all 0.59 0.00 0.21 0.01 0.04 99.15 00:20:18 0 0.69 0.00 0.19 0.03 0.02 99.07 00:20:18 1 0.49 0.00 0.22 0.00 0.05 99.23 00:30:18 all 10.61 0.00 1.66 0.51 0.05 87.17 00:30:18 0 8.84 0.00 1.48 0.37 0.05 89.27 00:30:18 1 12.37 0.00 1.85 0.65 0.06 85.07 Average: all 3.81 0.00 0.66 0.18 0.04 95.31 Average: 0 3.19 0.00 0.60 0.14 0.04 96.04 Average: 1 4.42 0.00 0.72 0.22 0.05 94.59