---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-16684 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 772 5193 4 2274 7169 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:a1:27:ad brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.62/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 50959sec preferred_lft 50959sec inet6 fe80::f816:3eff:fea1:27ad/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-16684) 05/20/26 _x86_64_ (2 CPU) 00:00:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:08 1.83 0.02 1.80 0.02 0.81 21.35 0.23 00:20:08 1.88 0.11 1.74 0.03 3.05 24.21 477.83 00:30:08 23.09 3.15 17.68 2.27 229.49 3149.75 484.35 00:40:01 1.58 0.01 1.55 0.02 0.78 36.68 0.13 Average: 7.11 0.82 5.70 0.58 58.71 810.31 241.36 00:00:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:08 6126828 7524636 284092 3.49 55612 1538132 597012 6.50 473948 1310572 320 00:20:08 6143988 7503384 305248 3.75 55740 1499528 594896 6.48 472704 1271880 264 00:30:08 5240800 7439744 320964 3.95 105000 2248984 622824 6.78 559448 2025024 252 00:40:01 5188760 7393136 367580 4.52 105116 2254320 709148 7.72 611128 2030468 200 Average: 5675094 7465225 319471 3.93 80367 1885241 630970 6.87 529307 1659486 259 00:00:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:08 ens3 0.20 0.06 0.07 0.03 0.00 0.00 0.00 0.00 00:20:08 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:08 ens3 0.13 0.05 0.04 0.02 0.00 0.00 0.00 0.00 00:30:08 lo 1.58 1.58 0.11 0.11 0.00 0.00 0.00 0.00 00:30:08 ens3 37.63 28.14 300.33 9.03 0.00 0.00 0.00 0.00 00:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:01 ens3 6.60 4.06 1.31 1.92 0.00 0.00 0.00 0.00 Average: lo 1.16 1.16 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 11.15 8.09 75.66 2.75 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16684) 05/20/26 _x86_64_ (2 CPU) 00:00:08 CPU %user %nice %system %iowait %steal %idle 00:10:08 all 0.27 0.00 0.09 0.01 0.03 99.60 00:10:08 0 0.07 0.00 0.11 0.01 0.03 99.78 00:10:08 1 0.47 0.00 0.08 0.01 0.02 99.42 00:20:08 all 0.67 0.00 0.21 0.02 0.03 99.07 00:20:08 0 0.44 0.00 0.21 0.02 0.04 99.30 00:20:08 1 0.91 0.00 0.21 0.02 0.02 98.84 00:30:08 all 10.71 0.00 1.65 0.58 0.05 87.02 00:30:08 0 8.62 0.00 1.55 0.48 0.05 89.30 00:30:08 1 12.79 0.00 1.76 0.67 0.05 84.73 00:40:01 all 2.23 0.00 0.19 0.02 0.07 97.50 00:40:01 0 3.08 0.00 0.23 0.01 0.09 96.59 00:40:01 1 1.38 0.00 0.15 0.03 0.04 98.40 Average: all 3.47 0.00 0.54 0.16 0.04 95.79 Average: 0 3.05 0.00 0.53 0.13 0.05 96.24 Average: 1 3.89 0.00 0.55 0.18 0.03 95.34