---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-14268 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 767 5122 4 2349 7174 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:61:e6:40 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.86/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 52413sec preferred_lft 52413sec inet6 fe80::f816:3eff:fe61:e640/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-14268) 05/15/26 _x86_64_ (2 CPU) 00:00:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:28 1.59 0.01 1.56 0.01 0.81 19.02 430.33 00:20:28 2.02 0.11 1.88 0.03 3.06 25.40 752.88 00:30:15 23.70 3.23 18.19 2.28 234.98 3236.88 882.05 Average: 8.99 1.10 7.12 0.76 78.39 1076.91 686.59 00:00:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:28 6132424 7527672 280796 3.45 53872 1537320 738244 8.04 473924 1308360 436 00:20:28 6130820 7488048 320336 3.94 54040 1499072 735556 8.01 472300 1270064 128 00:30:15 5202752 7398568 362020 4.45 103784 2247164 832796 9.07 603632 2022452 712 Average: 5821999 7471429 321051 3.95 70565 1761185 768865 8.37 516619 1533625 425 00:00:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:28 ens3 0.23 0.06 0.08 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 0.14 0.06 0.04 0.02 0.00 0.00 0.00 0.00 00:30:15 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 00:30:15 ens3 60.15 42.56 308.95 11.47 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 19.86 14.00 101.40 3.78 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-14268) 05/15/26 _x86_64_ (2 CPU) 00:00:25 CPU %user %nice %system %iowait %steal %idle 00:10:28 all 0.20 0.00 0.10 0.01 0.04 99.65 00:10:28 0 0.26 0.00 0.09 0.01 0.03 99.61 00:10:28 1 0.15 0.00 0.10 0.02 0.05 99.69 00:20:28 all 0.65 0.00 0.22 0.02 0.04 99.07 00:20:28 0 0.78 0.00 0.21 0.01 0.03 98.97 00:20:28 1 0.52 0.00 0.24 0.02 0.06 99.16 00:30:15 all 10.80 0.00 1.73 0.62 0.06 86.79 00:30:15 0 12.98 0.00 1.81 0.45 0.06 84.71 00:30:15 1 8.61 0.00 1.65 0.79 0.07 88.87 Average: all 3.82 0.00 0.67 0.21 0.05 95.24 Average: 0 4.60 0.00 0.69 0.15 0.04 94.51 Average: 1 3.05 0.00 0.65 0.27 0.06 95.97