---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-33203 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 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 776 5175 4 2281 7165 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:ed:3f:13 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.185/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81779sec preferred_lft 81779sec inet6 fe80::f816:3eff:feed:3f13/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33203) 07/06/26 _x86_64_ (2 CPU) 00:00:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:15 2.03 0.27 1.73 0.04 31.80 77.72 437.40 00:20:01 1.72 0.12 1.57 0.03 4.65 20.20 455.82 00:30:17 1.54 0.00 1.53 0.01 0.00 17.76 424.25 00:40:08 23.55 3.04 18.21 2.31 230.27 3502.00 518.09 00:50:10 5.99 0.09 4.50 1.41 6.43 293.01 1764.12 Average: 6.92 0.69 5.47 0.76 54.05 773.76 720.91 00:00:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:15 6237800 7512092 307928 3.79 31224 1448592 736732 8.02 460452 1202092 124 00:20:01 6240272 7515532 304344 3.74 31600 1449060 529628 5.77 456080 1202408 240 00:30:17 6256520 7532404 287440 3.53 31760 1449564 529692 5.77 456280 1202904 236 00:40:08 5254564 7453760 313264 3.85 86928 2272524 567528 6.18 545660 2035512 160 00:50:10 5390236 7426440 349612 4.30 89940 2114620 582092 6.34 557152 1879108 27020 Average: 5875878 7488046 312518 3.84 54290 1746872 589134 6.42 495125 1504405 5556 00:00:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:15 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:10:15 ens3 0.53 0.25 3.21 0.05 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 0.26 0.12 0.04 0.42 0.00 0.00 0.00 0.00 00:30:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:17 ens3 0.48 0.10 0.18 0.08 0.00 0.00 0.00 0.00 00:40:08 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:08 ens3 107.30 73.27 328.61 17.41 0.00 0.00 0.00 0.00 00:50:10 lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 00:50:10 ens3 27.85 18.09 15.48 6.40 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 27.05 18.20 68.70 4.83 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33203) 07/06/26 _x86_64_ (2 CPU) 00:00:15 CPU %user %nice %system %iowait %steal %idle 00:10:15 all 0.39 0.00 0.14 0.04 0.03 99.41 00:10:15 0 0.43 0.00 0.10 0.04 0.02 99.41 00:10:15 1 0.35 0.00 0.18 0.04 0.03 99.41 00:20:01 all 0.46 0.00 0.22 0.02 0.02 99.28 00:20:01 0 0.30 0.00 0.24 0.01 0.03 99.43 00:20:01 1 0.62 0.00 0.20 0.03 0.02 99.14 00:30:17 all 0.27 0.00 0.14 0.01 0.03 99.55 00:30:17 0 0.44 0.00 0.13 0.00 0.02 99.40 00:30:17 1 0.09 0.00 0.16 0.01 0.03 99.71 00:40:08 all 12.36 0.00 1.81 0.55 0.05 85.24 00:40:08 0 10.32 0.00 1.68 0.50 0.04 87.45 00:40:08 1 14.39 0.00 1.94 0.60 0.05 83.02 00:50:10 all 9.09 0.00 0.88 0.10 0.05 89.88 00:50:10 0 10.71 0.00 1.06 0.16 0.06 88.02 00:50:10 1 7.46 0.00 0.71 0.03 0.05 91.75 Average: all 4.49 0.00 0.63 0.14 0.04 94.70 Average: 0 4.42 0.00 0.64 0.14 0.03 94.76 Average: 1 4.55 0.00 0.63 0.14 0.04 94.64