---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-812 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 753 5126 4 2362 7187 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:e3:65:9a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.234/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 7403sec preferred_lft 7403sec inet6 fe80::f816:3eff:fee3:659a/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-812) 08/01/26 _x86_64_ (2 CPU) 00:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.84 0.02 1.81 0.02 0.83 21.91 219.72 00:20:11 1.73 0.10 1.59 0.03 3.01 22.80 686.27 00:30:00 1.70 0.00 1.68 0.02 0.00 19.21 0.38 00:40:01 27.93 2.83 22.83 2.27 222.89 3339.88 882.12 00:50:10 2.14 0.01 2.09 0.04 0.56 145.15 3.73 Average: 7.08 0.59 6.01 0.48 45.54 711.29 360.31 00:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6115580 7513252 295512 3.63 54204 1539380 538260 5.86 471080 1309964 332 00:20:11 6135976 7495444 313292 3.85 54344 1500980 535260 5.83 468772 1271488 260 00:30:00 6146744 7506760 301912 3.71 54460 1501400 535456 5.83 468888 1271896 128 00:40:01 5158384 7444160 311736 3.83 105668 2330824 561576 6.12 557152 2107408 32196 00:50:10 5088572 7376784 379080 4.66 105788 2333188 638908 6.96 600360 2109892 256 Average: 5729051 7467280 320306 3.94 74893 1841154 561892 6.12 513250 1614130 6634 00:00:10 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 0.46 0.10 0.13 0.06 0.00 0.00 0.00 0.00 00:20:11 lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 00:20:11 ens3 0.43 0.14 0.16 0.09 0.00 0.00 0.00 0.00 00:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:00 ens3 0.59 0.13 0.18 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 61.13 45.36 316.49 12.84 0.00 0.00 0.00 0.00 00:50:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:10 ens3 11.83 8.30 25.41 1.31 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 14.94 10.85 68.66 2.89 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-812) 08/01/26 _x86_64_ (2 CPU) 00:00:10 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.28 0.00 0.11 0.01 0.02 99.58 00:10:01 0 0.31 0.00 0.11 0.01 0.02 99.54 00:10:01 1 0.24 0.00 0.10 0.01 0.02 99.62 00:20:11 all 0.67 0.00 0.21 0.01 0.02 99.09 00:20:11 0 0.52 0.00 0.25 0.00 0.02 99.20 00:20:11 1 0.81 0.00 0.18 0.02 0.01 98.97 00:30:00 all 0.29 0.00 0.17 0.01 0.02 99.51 00:30:00 0 0.08 0.00 0.19 0.02 0.03 99.69 00:30:00 1 0.49 0.00 0.15 0.01 0.02 99.34 00:40:01 all 11.71 0.00 1.67 0.63 0.05 85.94 00:40:01 0 10.58 0.00 1.75 0.70 0.05 86.91 00:40:01 1 12.84 0.00 1.60 0.56 0.05 84.96 00:50:10 all 0.93 0.00 0.19 0.02 0.05 98.82 00:50:10 0 0.54 0.00 0.12 0.02 0.03 99.29 00:50:10 1 1.32 0.00 0.26 0.02 0.06 98.34 Average: all 2.78 0.00 0.47 0.14 0.03 96.58 Average: 0 2.41 0.00 0.48 0.15 0.03 96.92 Average: 1 3.15 0.00 0.46 0.12 0.03 96.24