---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26812 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 772 5028 4 2442 7169 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:5e:a5:21 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.23/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 8467sec preferred_lft 8467sec inet6 fe80::f816:3eff:fe5e:a521/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26812) 06/13/26 _x86_64_ (2 CPU) 00:00:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:00 1.89 0.02 1.86 0.02 0.84 22.04 0.19 00:20:30 1.89 0.10 1.75 0.03 2.91 24.28 488.35 00:30:50 25.20 3.03 19.93 2.25 221.59 3393.92 1366.74 Average: 9.79 1.07 7.94 0.78 76.34 1165.21 631.23 00:00:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:00 6102628 7503788 305068 3.75 54652 1542404 549864 5.99 477060 1313868 124 00:20:30 6122920 7485792 322960 3.97 54832 1503872 548232 5.97 475888 1275300 272 00:30:50 5150472 7437732 318664 3.92 105812 2332612 573240 6.24 559660 2109444 488 Average: 5792007 7475771 315564 3.88 71765 1792963 557112 6.07 504203 1566204 295 00:00:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:00 ens3 0.21 0.08 0.07 0.04 0.00 0.00 0.00 0.00 00:20:30 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 00:20:30 ens3 0.20 0.08 0.07 0.03 0.00 0.00 0.00 0.00 00:30:50 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:30:50 ens3 58.58 41.64 308.94 11.30 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 19.98 14.16 104.71 3.85 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26812) 06/13/26 _x86_64_ (2 CPU) 00:00:20 CPU %user %nice %system %iowait %steal %idle 00:10:00 all 0.25 0.00 0.10 0.01 0.04 99.60 00:10:00 0 0.11 0.00 0.12 0.02 0.04 99.71 00:10:00 1 0.38 0.00 0.08 0.01 0.03 99.50 00:20:30 all 0.63 0.00 0.20 0.02 0.04 99.12 00:20:30 0 0.82 0.00 0.20 0.00 0.03 98.95 00:20:30 1 0.44 0.00 0.19 0.03 0.05 99.29 00:30:50 all 11.13 0.00 1.71 0.58 0.06 86.51 00:30:50 0 10.26 0.00 1.59 0.35 0.06 87.74 00:30:50 1 12.00 0.00 1.83 0.82 0.07 85.29 Average: all 4.06 0.00 0.68 0.21 0.05 95.01 Average: 0 3.79 0.00 0.64 0.13 0.04 95.39 Average: 1 4.33 0.00 0.71 0.29 0.05 94.62