---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-23901 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 779 5101 4 2361 7162 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:bf:75:d6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.215/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 8276sec preferred_lft 8276sec inet6 fe80::f816:3eff:febf:75d6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23901) 06/06/26 _x86_64_ (2 CPU) 00:00:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.81 0.02 1.78 0.01 0.83 20.68 0.27 00:20:12 1.92 0.10 1.79 0.03 3.00 24.29 136.38 00:30:12 1.87 0.00 1.86 0.01 0.00 19.99 0.27 00:40:01 23.80 3.03 18.45 2.31 229.17 3516.60 1337.25 00:50:04 6.12 0.09 4.62 1.41 6.42 291.75 1964.38 Average: 7.04 0.64 5.65 0.75 47.20 764.30 687.09 00:00:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6104180 7498436 310336 3.82 53968 1536424 753364 8.21 475592 1308712 336 00:20:12 6122796 7479080 329644 4.05 54144 1498204 750388 8.17 474332 1270456 208 00:30:12 6131016 7487768 320920 3.95 54272 1498532 750388 8.17 474364 1270912 120 00:40:01 5155748 7432564 324012 3.98 105032 2323324 777804 8.47 557848 2101344 124 00:50:04 5320996 7430760 334968 4.12 107080 2162488 791444 8.62 570668 1940916 28620 Average: 5766947 7465722 323976 3.98 74899 1803794 764678 8.33 510561 1578468 5882 00:00:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.30 0.08 0.09 0.04 0.00 0.00 0.00 0.00 00:20:12 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:12 ens3 0.27 0.08 0.07 0.04 0.00 0.00 0.00 0.00 00:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:12 ens3 0.53 0.12 0.17 0.09 0.00 0.00 0.00 0.00 00:40:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 100.31 73.80 329.89 18.26 0.00 0.00 0.00 0.00 00:50:04 lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 00:50:04 ens3 27.18 18.18 15.65 6.49 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 25.45 18.25 68.18 4.94 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23901) 06/06/26 _x86_64_ (2 CPU) 00:00:12 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.22 0.00 0.10 0.01 0.03 99.64 00:10:01 0 0.17 0.00 0.10 0.01 0.03 99.70 00:10:01 1 0.28 0.00 0.10 0.01 0.02 99.58 00:20:12 all 0.65 0.00 0.20 0.01 0.03 99.11 00:20:12 0 0.78 0.00 0.19 0.01 0.02 98.99 00:20:12 1 0.51 0.00 0.21 0.01 0.04 99.22 00:30:12 all 0.27 0.00 0.16 0.01 0.03 99.53 00:30:12 0 0.28 0.00 0.17 0.01 0.03 99.51 00:30:12 1 0.26 0.00 0.15 0.01 0.03 99.55 00:40:01 all 11.76 0.00 1.76 0.43 0.05 85.99 00:40:01 0 13.57 0.00 1.84 0.48 0.06 84.06 00:40:01 1 9.95 0.00 1.69 0.39 0.05 87.92 00:50:04 all 8.83 0.00 0.88 0.08 0.06 90.14 00:50:04 0 6.37 0.00 0.70 0.08 0.05 92.79 00:50:04 1 11.28 0.00 1.07 0.09 0.07 87.49 Average: all 4.32 0.00 0.62 0.11 0.04 94.91 Average: 0 4.20 0.00 0.59 0.11 0.04 95.05 Average: 1 4.44 0.00 0.64 0.10 0.04 94.77