---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-11253 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 760 5210 4 2268 7181 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:f7:5d:39 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.24/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 8108sec preferred_lft 8108sec inet6 fe80::f816:3eff:fef7:5d39/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11253) 05/07/26 _x86_64_ (2 CPU) 00:00:29 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:28 1.56 0.02 1.54 0.01 0.82 18.95 433.66 00:20:08 1.77 0.11 1.63 0.03 3.16 23.21 721.34 00:30:29 6.23 1.32 4.60 0.30 96.78 499.78 597.75 00:40:29 20.27 1.78 16.56 1.93 129.77 2668.07 307.56 00:50:29 1.53 0.00 1.51 0.02 0.00 22.28 1.16 Average: 6.30 0.65 5.19 0.46 46.79 649.92 411.57 00:00:29 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:28 6123736 7518940 289560 3.56 53596 1537808 592652 6.46 480808 1308160 320 00:20:08 6149700 7506840 301568 3.71 53744 1499540 589784 6.42 479116 1269816 264 00:30:29 5745740 7430536 355980 4.38 80188 1782292 650996 7.09 563000 1565360 183484 00:40:29 5170912 7366776 393836 4.84 103216 2248104 696016 7.58 615152 2022284 168 00:50:29 5129044 7326884 433692 5.33 103324 2250008 720752 7.85 631604 2024264 172 Average: 5663826 7429995 354927 4.36 78814 1863550 650040 7.08 553936 1637977 36882 00:00:29 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 0.20 0.07 0.07 0.04 0.00 0.00 0.00 0.00 00:20:08 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:08 ens3 0.14 0.06 0.04 0.02 0.00 0.00 0.00 0.00 00:30:29 lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 00:30:29 ens3 19.77 13.76 131.52 4.67 0.00 0.00 0.00 0.00 00:40:29 lo 1.23 1.23 0.07 0.07 0.00 0.00 0.00 0.00 00:40:29 ens3 43.74 31.52 178.84 7.16 0.00 0.00 0.00 0.00 00:50:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:29 ens3 13.33 11.97 107.35 1.12 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 15.58 11.58 84.52 2.63 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11253) 05/07/26 _x86_64_ (2 CPU) 00:00:29 CPU %user %nice %system %iowait %steal %idle 00:10:28 all 0.26 0.00 0.10 0.01 0.02 99.61 00:10:28 0 0.07 0.00 0.11 0.02 0.03 99.78 00:10:28 1 0.45 0.00 0.09 0.01 0.02 99.44 00:20:08 all 0.67 0.00 0.22 0.02 0.02 99.06 00:20:08 0 0.81 0.00 0.19 0.02 0.02 98.97 00:20:08 1 0.54 0.00 0.25 0.03 0.03 99.16 00:30:29 all 2.90 0.00 0.56 0.21 0.03 96.31 00:30:29 0 2.48 0.00 0.55 0.07 0.03 96.87 00:30:29 1 3.31 0.00 0.56 0.34 0.03 95.75 00:40:29 all 8.26 0.00 1.32 0.60 0.06 89.76 00:40:29 0 9.04 0.00 1.35 0.57 0.07 88.97 00:40:29 1 7.49 0.00 1.28 0.64 0.06 90.54 00:50:29 all 0.89 0.00 0.22 0.04 0.05 98.80 00:50:29 0 0.92 0.00 0.24 0.03 0.06 98.75 00:50:29 1 0.86 0.00 0.19 0.06 0.05 98.85 Average: all 2.61 0.00 0.48 0.18 0.04 96.69 Average: 0 2.68 0.00 0.49 0.14 0.04 96.66 Average: 1 2.55 0.00 0.48 0.22 0.04 96.72