---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8050 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 UTC 2026 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 Indirect target selection: 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 Tsa: 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 22% / 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 783 5167 4 2284 7158 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:4a:f1:b5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.47/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83339sec preferred_lft 83339sec inet6 fe80::f816:3eff:fe4a:f1b5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8050) 09/14/26 _x86_64_ (2 CPU) 00:42:26 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:29 24.53 3.02 19.34 2.16 254.60 3387.33 1065.21 01:10:09 1.71 0.01 1.66 0.04 0.50 124.36 2.73 01:20:01 1.38 0.00 1.37 0.01 0.01 16.44 0.04 01:30:09 15.45 0.00 1.48 13.96 0.14 18.24 104864.91 Average: 11.05 0.79 6.16 4.10 66.62 922.78 26761.92 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:29 5161948 7384084 381736 4.69 86788 2296004 796472 8.68 581200 2057192 26056 01:10:09 5156572 7379464 386388 4.75 86980 2296672 865700 9.43 622800 2058052 184 01:20:01 5155312 7378692 387112 4.76 87124 2297024 865764 9.43 622892 2058540 256 01:30:09 5143072 7367140 398532 4.90 87272 2297548 865896 9.43 623160 2059064 132 Average: 5154226 7377345 388442 4.78 87041 2296812 848458 9.24 612513 2058212 6657 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:29 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 01:00:29 ens3 73.71 51.09 309.64 11.24 0.00 0.00 0.00 0.00 01:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:09 ens3 4.62 1.65 1.54 0.45 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.81 0.21 0.11 0.05 0.00 0.00 0.00 0.00 01:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:09 ens3 0.71 0.19 0.96 0.08 0.00 0.00 0.00 0.00 Average: lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 20.73 13.83 81.46 3.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8050) 09/14/26 _x86_64_ (2 CPU) 00:42:26 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:29 all 11.44 0.00 2.06 0.64 0.02 85.84 01:00:29 0 12.82 0.00 2.03 0.37 0.02 84.76 01:00:29 1 10.06 0.00 2.09 0.91 0.02 86.92 01:10:09 all 0.54 0.00 0.19 0.01 0.01 99.25 01:10:09 0 0.57 0.00 0.12 0.00 0.00 99.31 01:10:09 1 0.51 0.00 0.26 0.02 0.02 99.20 01:20:01 all 0.41 0.00 0.17 0.01 0.01 99.40 01:20:01 0 0.36 0.00 0.16 0.00 0.01 99.47 01:20:01 1 0.47 0.00 0.19 0.01 0.01 99.32 01:30:09 all 0.41 0.00 0.25 0.04 0.01 99.29 01:30:09 0 0.44 0.00 0.26 0.06 0.01 99.23 01:30:09 1 0.38 0.00 0.24 0.01 0.01 99.34 Average: all 3.33 0.00 0.69 0.18 0.01 95.79 Average: 0 3.69 0.00 0.66 0.11 0.01 95.53 Average: 1 2.97 0.00 0.72 0.25 0.02 96.05