---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26814 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 763 5121 4 2358 7178 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:8a:57:88 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.48/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 7280sec preferred_lft 7280sec inet6 fe80::f816:3eff:fe8a:5788/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26814) 06/13/26 _x86_64_ (2 CPU) 00:00:33 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.92 0.02 1.88 0.02 0.86 22.86 228.72 00:20:32 1.99 0.10 1.86 0.03 2.90 25.50 888.35 00:30:15 1.93 0.00 1.91 0.02 0.00 21.26 0.26 00:40:01 25.39 3.05 20.01 2.33 230.27 3549.70 896.58 00:50:25 1.54 0.00 1.52 0.02 0.00 22.69 0.18 Average: 6.46 0.62 5.36 0.48 45.91 714.34 406.65 00:00:33 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6116332 7515052 293784 3.61 56660 1537964 593736 6.47 474896 1311740 344 00:20:32 6141340 7501744 307064 3.78 56816 1499444 536404 5.84 468264 1273164 184 00:30:15 6139884 7500848 307908 3.79 56916 1499888 536404 5.84 468452 1273584 172 00:40:01 5116328 7400616 356116 4.38 107360 2328264 635276 6.92 600256 2107416 264 00:50:25 5074572 7360876 395884 4.87 107480 2330168 644956 7.02 602292 2109448 220 Average: 5717691 7455827 332151 4.08 77046 1839146 589355 6.42 522832 1615070 237 00:00:33 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 0.18 0.07 0.07 0.04 0.00 0.00 0.00 0.00 00:20:32 lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 00:20:32 ens3 0.21 0.06 0.07 0.03 0.00 0.00 0.00 0.00 00:30:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:15 ens3 0.53 0.12 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 67.02 48.41 327.33 12.40 0.00 0.00 0.00 0.00 00:50:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:25 ens3 13.41 9.48 69.70 1.07 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 16.11 11.52 78.75 2.69 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26814) 06/13/26 _x86_64_ (2 CPU) 00:00:33 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.24 0.00 0.12 0.03 0.03 99.58 00:10:01 0 0.05 0.00 0.11 0.03 0.04 99.78 00:10:01 1 0.43 0.00 0.12 0.04 0.03 99.38 00:20:32 all 0.57 0.00 0.20 0.03 0.03 99.17 00:20:32 0 0.65 0.00 0.17 0.02 0.02 99.13 00:20:32 1 0.49 0.00 0.23 0.03 0.04 99.20 00:30:15 all 0.22 0.00 0.16 0.01 0.03 99.57 00:30:15 0 0.08 0.00 0.16 0.01 0.04 99.72 00:30:15 1 0.36 0.00 0.17 0.01 0.03 99.43 00:40:01 all 11.95 0.00 1.71 0.59 0.06 85.69 00:40:01 0 11.21 0.00 1.60 0.36 0.06 86.78 00:40:01 1 12.69 0.00 1.83 0.82 0.06 84.60 00:50:25 all 0.85 0.00 0.20 0.02 0.08 98.86 00:50:25 0 0.90 0.00 0.15 0.01 0.07 98.87 00:50:25 1 0.79 0.00 0.24 0.02 0.09 98.86 Average: all 2.73 0.00 0.47 0.13 0.05 96.62 Average: 0 2.54 0.00 0.43 0.08 0.04 96.89 Average: 1 2.91 0.00 0.51 0.18 0.05 96.35