---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-16182 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: 5599.86 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 775 5193 4 2270 7166 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:d7:28:09 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.92/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 7868sec preferred_lft 7868sec inet6 fe80::f816:3eff:fed7:2809/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16182) 05/19/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:20 1.92 0.01 1.90 0.01 0.79 22.22 418.99 00:20:21 1.83 0.11 1.69 0.03 3.05 23.68 137.83 00:30:01 1.82 0.00 1.81 0.01 0.00 20.09 0.23 00:40:25 21.25 2.88 16.24 2.13 217.12 3055.85 909.18 00:50:17 1.50 0.00 1.50 0.00 0.00 22.29 0.05 Average: 5.80 0.62 4.72 0.45 45.64 649.11 301.45 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:20 6095616 7491620 316956 3.90 54404 1537544 572752 6.24 496420 1309020 184 00:20:21 6108996 7466904 341624 4.20 54540 1499264 570536 6.21 495012 1270660 204 00:30:01 6130604 7488972 319484 3.93 54648 1499592 570600 6.21 495184 1271096 124 00:40:25 5183496 7381172 379520 4.67 103988 2248764 678616 7.39 623924 2024628 172 00:50:17 5132336 7331888 428848 5.27 104072 2250604 702348 7.65 640124 2026548 280 Average: 5730210 7432111 357286 4.39 74330 1807154 618970 6.74 550133 1580390 193 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:20 ens3 0.29 0.08 0.09 0.04 0.00 0.00 0.00 0.00 00:20:21 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:21 ens3 0.15 0.06 0.04 0.02 0.00 0.00 0.00 0.00 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 0.54 0.14 0.18 0.10 0.00 0.00 0.00 0.00 00:40:25 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 00:40:25 ens3 61.15 42.89 293.12 11.47 0.00 0.00 0.00 0.00 00:50:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:17 ens3 12.67 9.86 73.16 1.04 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 15.32 10.86 75.01 2.61 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16182) 05/19/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:20 all 0.20 0.00 0.09 0.01 0.03 99.67 00:10:20 0 0.36 0.00 0.08 0.01 0.03 99.53 00:10:20 1 0.04 0.00 0.10 0.00 0.04 99.81 00:20:21 all 0.64 0.00 0.20 0.01 0.04 99.11 00:20:21 0 0.43 0.00 0.23 0.01 0.05 99.28 00:20:21 1 0.85 0.00 0.18 0.01 0.02 98.94 00:30:01 all 0.24 0.00 0.15 0.01 0.03 99.57 00:30:01 0 0.06 0.00 0.18 0.01 0.04 99.71 00:30:01 1 0.41 0.00 0.13 0.00 0.03 99.43 00:40:25 all 10.18 0.00 1.56 0.47 0.06 87.73 00:40:25 0 10.16 0.00 1.54 0.46 0.07 87.77 00:40:25 1 10.20 0.00 1.57 0.47 0.05 87.70 00:50:17 all 0.85 0.00 0.19 0.01 0.09 98.87 00:50:17 0 0.91 0.00 0.21 0.01 0.10 98.76 00:50:17 1 0.78 0.00 0.16 0.01 0.07 98.99 Average: all 2.48 0.00 0.45 0.10 0.05 96.92 Average: 0 2.45 0.00 0.46 0.10 0.06 96.93 Average: 1 2.52 0.00 0.44 0.10 0.04 96.90