---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26055 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 802 5083 4 2356 7139 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:eb:86:a1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.4/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 8104sec preferred_lft 8104sec inet6 fe80::f816:3eff:feeb:86a1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26055) 06/10/26 _x86_64_ (2 CPU) 00:00:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.73 0.02 1.70 0.02 0.82 20.31 218.55 00:20:07 1.90 0.11 1.76 0.03 3.02 24.71 718.60 00:30:07 1.77 0.00 1.75 0.02 0.00 19.40 216.54 00:40:01 24.16 3.02 18.85 2.29 227.58 3470.45 619.05 Average: 7.35 0.78 5.99 0.59 57.48 877.95 443.99 00:00:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6125880 7521860 286716 3.53 54388 1537764 537764 5.86 467892 1309356 304 00:20:07 6142436 7500056 308420 3.79 54528 1499196 535512 5.83 466484 1270712 304 00:30:07 6142544 7500760 307680 3.78 54660 1499656 535512 5.83 466628 1271176 260 00:40:01 5095952 7376376 379768 4.67 105268 2326680 659740 7.19 622028 2103680 776 Average: 5876703 7474763 320646 3.94 67211 1715824 567132 6.18 505758 1488731 411 00:00:07 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 0.49 0.16 0.10 0.96 0.00 0.00 0.00 0.00 00:20:07 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:07 ens3 0.69 0.07 0.10 0.02 0.00 0.00 0.00 0.00 00:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:07 ens3 0.72 0.14 0.19 0.09 0.00 0.00 0.00 0.00 00:40:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 67.93 47.28 320.82 11.68 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 17.34 11.83 79.77 3.17 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26055) 06/10/26 _x86_64_ (2 CPU) 00:00:07 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.18 0.00 0.10 0.01 0.01 99.69 00:10:01 0 0.32 0.00 0.10 0.01 0.01 99.56 00:10:01 1 0.05 0.00 0.10 0.01 0.02 99.83 00:20:07 all 0.66 0.00 0.21 0.01 0.02 99.10 00:20:07 0 0.53 0.00 0.22 0.02 0.02 99.21 00:20:07 1 0.79 0.00 0.19 0.00 0.01 99.00 00:30:07 all 0.25 0.00 0.17 0.01 0.02 99.56 00:30:07 0 0.07 0.00 0.20 0.01 0.02 99.70 00:30:07 1 0.43 0.00 0.14 0.01 0.01 99.42 00:40:01 all 12.59 0.00 1.81 0.41 0.05 85.14 00:40:01 0 12.16 0.00 1.76 0.39 0.05 85.65 00:40:01 1 13.02 0.00 1.87 0.44 0.05 84.63 Average: all 3.40 0.00 0.57 0.11 0.02 95.90 Average: 0 3.25 0.00 0.57 0.11 0.02 96.06 Average: 1 3.55 0.00 0.57 0.11 0.02 95.74