---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8338 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: 5600.00 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 799 5153 4 2277 7142 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:85:78:fa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.159/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81162sec preferred_lft 81162sec inet6 fe80::f816:3eff:fe85:78fa/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-8338) 04/27/26 _x86_64_ (2 CPU) 00:41:35 LINUX RESTART (2 CPU) 00:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 14.18 0.02 1.53 12.63 1.26 19.67 109604.81 01:10:01 1.35 0.02 1.31 0.02 2.15 16.02 1.24 01:20:16 1.41 0.00 1.40 0.01 0.01 17.14 0.39 01:30:01 1.39 0.00 1.37 0.02 0.00 17.91 0.34 01:40:01 1.63 0.41 1.22 0.00 16.01 46.39 0.00 01:50:06 21.61 2.59 16.83 2.19 208.84 3081.18 559.72 02:00:01 1.65 0.00 1.62 0.02 0.35 73.66 0.44 Average: 6.19 0.44 3.63 2.12 32.92 471.18 15682.24 00:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6242512 7517696 302252 3.72 30896 1449780 539224 5.87 464720 1200516 244 01:10:01 6228416 7504796 315144 3.88 31120 1450748 539224 5.87 465252 1201148 128 01:20:16 6234996 7511900 308032 3.79 31304 1451076 539288 5.87 462692 1201660 132 01:30:01 6230760 7508324 311564 3.83 31496 1451520 539448 5.88 462948 1202180 128 01:40:01 6206144 7498968 320696 3.94 31776 1466288 580432 6.32 502264 1215700 252 01:50:06 5282808 7402604 369092 4.54 84924 2199152 663248 7.22 603380 1958072 2548 02:00:01 5261408 7395160 376384 4.63 85068 2212956 665800 7.25 605888 1971912 716 Average: 5955292 7477064 329023 4.05 46655 1668789 580952 6.33 509592 1421598 593 00:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.50 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.38 0.07 0.28 0.04 0.00 0.00 0.00 0.00 01:20:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:16 ens3 0.58 0.08 0.68 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.26 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 14.61 7.93 24.21 3.36 0.00 0.00 0.00 0.00 01:50:06 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 01:50:06 ens3 72.14 51.67 277.30 9.90 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 51.25 46.65 9.76 5.89 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 20.00 15.23 44.97 2.77 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8338) 04/27/26 _x86_64_ (2 CPU) 00:41:35 LINUX RESTART (2 CPU) 00:50:04 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.28 0.00 0.18 0.03 0.04 99.47 01:00:01 0 0.29 0.00 0.17 0.04 0.04 99.47 01:00:01 1 0.27 0.00 0.18 0.02 0.05 99.48 01:10:01 all 0.27 0.00 0.08 0.01 0.04 99.59 01:10:01 0 0.10 0.00 0.10 0.01 0.05 99.74 01:10:01 1 0.45 0.00 0.06 0.02 0.03 99.44 01:20:16 all 0.30 0.00 0.08 0.01 0.04 99.56 01:20:16 0 0.11 0.00 0.10 0.02 0.04 99.72 01:20:16 1 0.49 0.00 0.07 0.00 0.04 99.41 01:30:01 all 0.26 0.00 0.16 0.01 0.04 99.53 01:30:01 0 0.45 0.00 0.15 0.03 0.03 99.34 01:30:01 1 0.07 0.00 0.16 0.00 0.04 99.73 01:40:01 all 0.53 0.00 0.11 0.02 0.03 99.32 01:40:01 0 0.65 0.00 0.12 0.03 0.02 99.18 01:40:01 1 0.40 0.00 0.10 0.00 0.04 99.46 01:50:06 all 13.29 0.00 1.77 0.54 0.07 84.33 01:50:06 0 12.49 0.00 1.68 0.44 0.07 85.32 01:50:06 1 14.09 0.00 1.85 0.64 0.07 83.34 02:00:01 all 6.04 0.00 0.62 0.08 0.07 93.19 02:00:01 0 6.42 0.00 0.59 0.15 0.07 92.77 02:00:01 1 5.66 0.00 0.64 0.02 0.07 93.61 Average: all 2.99 0.00 0.43 0.10 0.05 96.43 Average: 0 2.93 0.00 0.42 0.10 0.05 96.51 Average: 1 3.06 0.00 0.44 0.10 0.05 96.35