---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1405 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 756 5213 4 2269 7185 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:2f:b6:e3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.144/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 50449sec preferred_lft 50449sec inet6 fe80::f816:3eff:fe2f:b6e3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1405) 04/10/26 _x86_64_ (2 CPU) 00:00:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.74 0.02 1.71 0.02 0.83 20.60 440.25 00:20:12 1.92 0.10 1.78 0.03 3.00 24.90 711.30 00:30:12 1.80 0.00 1.78 0.01 0.00 19.52 432.84 00:40:01 23.45 3.08 18.13 2.24 230.45 3205.81 661.86 00:50:11 1.56 0.00 1.54 0.02 0.00 23.63 1.11 Average: 6.02 0.63 4.93 0.46 46.05 647.63 448.20 00:00:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6100480 7504788 303864 3.74 55840 1544312 727304 7.92 482640 1314360 356 00:20:12 6140032 7506168 302432 3.72 56004 1505928 724428 7.89 481532 1275796 264 00:30:12 6136764 7503352 305148 3.75 56120 1506256 724420 7.89 481564 1276236 268 00:40:01 5208400 7401284 359864 4.42 104792 2243372 839276 9.14 608032 2016912 764 00:50:11 5125396 7320200 440980 5.42 104880 2245276 877100 9.55 638596 2018896 316 Average: 5742214 7447158 342458 4.21 75527 1809029 778506 8.48 538473 1580440 394 00:00:11 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 0.33 0.09 0.11 0.06 0.00 0.00 0.00 0.00 00:20:12 lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 00:20:12 ens3 0.24 0.07 0.08 0.04 0.00 0.00 0.00 0.00 00:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:12 ens3 0.50 0.13 0.17 0.09 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 63.40 46.76 304.53 13.03 0.00 0.00 0.00 0.00 00:50:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:11 ens3 12.65 9.77 71.05 1.03 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 15.24 11.23 74.35 2.81 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1405) 04/10/26 _x86_64_ (2 CPU) 00:00:11 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.28 0.00 0.10 0.03 0.02 99.56 00:10:01 0 0.34 0.00 0.10 0.05 0.03 99.49 00:10:01 1 0.23 0.00 0.11 0.00 0.02 99.64 00:20:12 all 0.67 0.00 0.22 0.02 0.02 99.07 00:20:12 0 0.66 0.00 0.26 0.03 0.03 99.02 00:20:12 1 0.67 0.00 0.19 0.01 0.02 99.11 00:30:12 all 0.29 0.00 0.18 0.04 0.02 99.47 00:30:12 0 0.18 0.00 0.19 0.03 0.03 99.58 00:30:12 1 0.40 0.00 0.17 0.05 0.02 99.36 00:40:01 all 11.18 0.00 1.73 1.26 0.05 85.79 00:40:01 0 7.56 0.00 1.40 1.50 0.05 89.50 00:40:01 1 14.80 0.00 2.06 1.02 0.05 82.06 00:50:11 all 0.83 0.00 0.21 0.07 0.05 98.84 00:50:11 0 1.01 0.00 0.24 0.13 0.06 98.57 00:50:11 1 0.66 0.00 0.18 0.02 0.04 99.10 Average: all 2.61 0.00 0.48 0.28 0.03 96.59 Average: 0 1.92 0.00 0.43 0.34 0.04 97.27 Average: 1 3.30 0.00 0.53 0.22 0.03 95.92