---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-13131 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 787 5182 4 2269 7154 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:29:18:07 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.42/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 51638sec preferred_lft 51638sec inet6 fe80::f816:3eff:fe29:1807/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-13131) 05/14/26 _x86_64_ (2 CPU) 00:00:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.83 0.02 1.80 0.02 0.83 21.29 0.22 00:20:16 1.85 0.10 1.72 0.03 2.98 23.60 514.70 00:30:16 1.86 0.00 1.84 0.02 0.00 20.84 0.25 00:40:01 24.39 3.08 19.02 2.29 232.03 3262.49 650.77 00:50:16 1.48 0.00 1.48 0.00 0.00 21.94 0.05 Average: 6.17 0.63 5.08 0.46 46.01 653.64 232.57 00:00:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6121852 7518096 290580 3.57 54548 1537896 530752 5.78 469236 1308892 276 00:20:16 6134616 7493180 315448 3.88 54700 1499960 528160 5.75 468020 1270924 256 00:30:16 6138648 7497680 310944 3.82 54832 1500288 528160 5.75 468064 1271384 276 00:40:01 5188760 7385136 375768 4.62 103724 2247968 651276 7.09 619080 2022840 292 00:50:16 5138348 7336748 424236 5.22 103804 2249988 660960 7.20 620956 2024812 256 Average: 5744445 7446168 343395 4.22 74322 1807220 579862 6.32 529071 1579770 271 00:00:16 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 0.23 0.07 0.07 0.03 0.00 0.00 0.00 0.00 00:20:16 lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 00:20:16 ens3 0.15 0.05 0.04 0.02 0.00 0.00 0.00 0.00 00:30:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:16 ens3 0.51 0.14 0.18 0.10 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 65.27 45.11 310.92 12.49 0.00 0.00 0.00 0.00 00:50:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:16 ens3 12.44 9.50 70.43 0.99 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 15.45 10.80 75.11 2.67 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-13131) 05/14/26 _x86_64_ (2 CPU) 00:00:16 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.20 0.00 0.10 0.01 0.03 99.66 00:10:01 0 0.04 0.00 0.12 0.02 0.04 99.78 00:10:01 1 0.36 0.00 0.08 0.00 0.02 99.54 00:20:16 all 0.65 0.00 0.21 0.01 0.03 99.10 00:20:16 0 0.45 0.00 0.22 0.01 0.04 99.28 00:20:16 1 0.85 0.00 0.20 0.01 0.02 98.92 00:30:16 all 0.26 0.00 0.18 0.01 0.03 99.52 00:30:16 0 0.21 0.00 0.17 0.01 0.04 99.58 00:30:16 1 0.31 0.00 0.18 0.01 0.03 99.47 00:40:01 all 10.83 0.00 1.66 0.49 0.06 86.96 00:40:01 0 12.86 0.00 1.84 0.57 0.05 84.69 00:40:01 1 8.81 0.00 1.48 0.42 0.07 89.23 00:50:16 all 0.81 0.00 0.20 0.01 0.07 98.91 00:50:16 0 0.85 0.00 0.23 0.01 0.08 98.83 00:50:16 1 0.77 0.00 0.17 0.01 0.06 98.99 Average: all 2.50 0.00 0.46 0.10 0.05 96.89 Average: 0 2.82 0.00 0.51 0.12 0.05 96.50 Average: 1 2.18 0.00 0.41 0.09 0.04 97.28