---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8294 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 8.2G 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 761 5024 4 2457 7180 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:51:5e:c1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.112/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83668sec preferred_lft 83668sec inet6 fe80::f816:3eff:fe51:5ec1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8294) 09/15/26 _x86_64_ (2 CPU) 01:05:00 LINUX RESTART (2 CPU) 01:10:22 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:22 9.53 1.21 7.56 0.76 105.55 1097.67 602.45 01:30:32 1.46 0.00 1.44 0.02 0.00 26.03 0.24 01:40:12 1.32 0.00 1.32 0.00 0.00 18.15 0.00 Average: 4.12 0.40 3.45 0.26 35.38 382.69 202.02 01:10:22 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:22 5214892 7401668 365096 4.49 87364 2260468 608816 6.63 584588 2032240 192 01:30:32 5207596 7397116 369632 4.55 87520 2263056 609012 6.63 585108 2034984 144 01:40:12 5207356 7397900 368844 4.54 87684 2263912 609204 6.64 585336 2036008 148 Average: 5209948 7398895 367857 4.52 87523 2262479 609011 6.63 585011 2034411 161 01:10:22 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:22 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 01:20:22 ens3 8.05 5.79 38.93 1.23 0.00 0.00 0.00 0.00 01:30:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:32 ens3 0.61 0.20 0.19 0.07 0.00 0.00 0.00 0.00 01:40:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:12 ens3 1.03 0.44 0.19 0.14 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 3.24 2.15 13.17 0.48 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8294) 09/15/26 _x86_64_ (2 CPU) 01:05:00 LINUX RESTART (2 CPU) 01:10:22 CPU %user %nice %system %iowait %steal %idle 01:20:22 all 4.26 0.00 0.75 0.15 0.01 94.83 01:20:22 0 5.82 0.00 0.84 0.08 0.02 93.23 01:20:22 1 2.70 0.00 0.65 0.23 0.01 96.42 01:30:32 all 1.08 0.00 0.25 0.01 0.01 98.65 01:30:32 0 0.75 0.00 0.24 0.00 0.01 99.00 01:30:32 1 1.41 0.00 0.26 0.01 0.01 98.30 01:40:12 all 0.67 0.00 0.15 0.01 0.01 99.17 01:40:12 0 0.66 0.00 0.11 0.00 0.01 99.23 01:40:12 1 0.68 0.00 0.19 0.01 0.01 99.10 Average: all 2.01 0.00 0.38 0.06 0.01 97.54 Average: 0 2.42 0.00 0.40 0.03 0.01 97.14 Average: 1 1.61 0.00 0.37 0.08 0.01 97.93