---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2715 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: 5600.00 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 774 5202 4 2261 7167 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:6e:a5:a2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.19/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 62446sec preferred_lft 62446sec inet6 fe80::f816:3eff:fe6e:a5a2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2715) 04/15/26 _x86_64_ (2 CPU) 00:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:10 1.90 0.01 1.86 0.02 0.80 22.16 0.28 00:20:01 1.88 0.11 1.75 0.03 3.10 23.25 159.19 00:30:14 1.77 0.00 1.75 0.01 0.00 18.97 0.37 00:40:00 24.03 3.07 18.70 2.25 231.12 3208.08 946.42 00:50:01 1.67 0.00 1.65 0.02 0.00 23.68 1.13 Average: 6.14 0.62 5.07 0.45 45.92 644.33 216.54 00:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:10 6118596 7506984 302272 3.72 51684 1532780 538108 5.86 475372 1300012 320 00:20:01 6137724 7494112 315040 3.87 51832 1500572 536056 5.84 474144 1267672 124 00:30:14 6142824 7499800 309272 3.80 51964 1501060 536056 5.84 474472 1268128 264 00:40:00 5198536 7383940 377624 4.64 101756 2239020 676296 7.37 623912 2010940 648 00:50:01 5117412 7304724 456916 5.62 101872 2240884 714144 7.78 654304 2012920 540 Average: 5743018 7437912 352225 4.33 71822 1802863 600132 6.54 540441 1571934 379 00:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:10 ens3 0.20 0.08 0.07 0.04 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 0.13 0.05 0.04 0.02 0.00 0.00 0.00 0.00 00:30:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:14 ens3 0.47 0.13 0.17 0.10 0.00 0.00 0.00 0.00 00:40:00 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 00:40:00 ens3 62.21 43.55 306.32 12.31 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 13.14 9.71 72.25 1.05 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 14.95 10.51 74.36 2.65 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2715) 04/15/26 _x86_64_ (2 CPU) 00:00:00 CPU %user %nice %system %iowait %steal %idle 00:10:10 all 0.26 0.00 0.10 0.01 0.03 99.60 00:10:10 0 0.43 0.00 0.07 0.01 0.02 99.48 00:10:10 1 0.09 0.00 0.12 0.02 0.05 99.72 00:20:01 all 0.59 0.00 0.22 0.02 0.03 99.14 00:20:01 0 0.39 0.00 0.22 0.01 0.04 99.34 00:20:01 1 0.79 0.00 0.22 0.02 0.03 98.94 00:30:14 all 0.25 0.00 0.15 0.01 0.04 99.55 00:30:14 0 0.16 0.00 0.16 0.01 0.04 99.63 00:30:14 1 0.35 0.00 0.14 0.01 0.03 99.47 00:40:00 all 10.91 0.00 1.67 0.52 0.05 86.85 00:40:00 0 12.57 0.00 1.83 0.63 0.04 84.93 00:40:00 1 9.25 0.00 1.50 0.42 0.06 88.77 00:50:01 all 0.83 0.00 0.19 0.04 0.08 98.87 00:50:01 0 0.80 0.00 0.12 0.04 0.05 98.99 00:50:01 1 0.86 0.00 0.27 0.03 0.11 98.74 Average: all 2.52 0.00 0.46 0.12 0.05 96.86 Average: 0 2.81 0.00 0.47 0.14 0.04 96.55 Average: 1 2.22 0.00 0.45 0.10 0.05 97.18