---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-60540 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: 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 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 8.1G 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 769 5089 4 2376 7172 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:f2:1c:54 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.125/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84081sec preferred_lft 84081sec inet6 fe80::f816:3eff:fef2:1c54/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-60540) 09/29/26 _x86_64_ (2 CPU) 00:49:01 LINUX RESTART (2 CPU) 00:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:03 3.13 1.31 1.77 0.05 94.73 118.20 1.31 01:10:01 25.32 1.88 21.15 2.29 173.78 3601.65 1800.84 01:20:23 1.38 0.00 1.37 0.02 0.01 58.16 0.68 Average: 9.81 1.05 7.99 0.77 88.36 1240.26 591.33 00:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:03 6069044 7415032 399448 4.91 37488 1509992 594612 6.48 532060 1265020 42484 01:10:01 5131580 7371088 394964 4.86 87836 2312432 847164 9.23 601896 2074956 336 01:20:23 5139196 7392108 373784 4.60 88008 2325508 849980 9.26 604828 2088172 440 Average: 5446607 7392743 389399 4.79 71111 2049311 763919 8.32 579595 1809383 14420 00:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:03 ens3 15.56 10.01 52.38 4.30 0.00 0.00 0.00 0.00 01:10:01 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 01:10:01 ens3 77.41 58.21 281.63 9.55 0.00 0.00 0.00 0.00 01:20:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:23 ens3 39.80 35.78 8.06 4.85 0.00 0.00 0.00 0.00 Average: lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 44.11 34.61 112.46 6.21 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-60540) 09/29/26 _x86_64_ (2 CPU) 00:49:01 LINUX RESTART (2 CPU) 00:50:00 CPU %user %nice %system %iowait %steal %idle 01:00:03 all 1.19 0.00 0.43 0.04 0.00 98.33 01:00:03 0 1.41 0.00 0.44 0.05 0.00 98.11 01:00:03 1 0.98 0.00 0.42 0.04 0.00 98.56 01:10:01 all 12.95 0.00 2.13 0.65 0.01 84.26 01:10:01 0 12.31 0.00 2.17 0.71 0.02 84.80 01:10:01 1 13.59 0.00 2.10 0.58 0.01 83.73 01:20:23 all 2.89 0.00 0.48 0.01 0.01 96.62 01:20:23 0 2.36 0.00 0.48 0.02 0.01 97.14 01:20:23 1 3.42 0.00 0.47 0.01 0.01 96.10 Average: all 5.62 0.00 1.00 0.23 0.01 93.14 Average: 0 5.28 0.00 1.02 0.25 0.01 93.45 Average: 1 5.95 0.00 0.99 0.21 0.00 92.85