---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-9211 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 780 5000 4 2463 7160 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:8c:ae:1a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.22/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 50482sec preferred_lft 50482sec inet6 fe80::f816:3eff:fe8c:ae1a/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-9211) 09/19/26 _x86_64_ (2 CPU) 00:00:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 2.11 0.02 2.03 0.07 0.85 33.75 760.10 00:20:25 1.82 0.10 1.68 0.03 2.93 23.34 455.53 00:30:15 25.63 3.03 20.09 2.51 231.08 3570.78 1611.92 Average: 9.76 1.04 7.86 0.86 77.46 1195.98 934.61 00:00:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6093568 7504584 303152 3.73 54428 1553512 746568 8.13 477432 1322508 416 00:20:25 6111836 7483836 323840 3.98 54596 1514296 744260 8.11 476244 1283236 216 00:30:15 5073472 7381692 373128 4.59 106976 2353048 849684 9.25 616804 2129120 3644 Average: 5759625 7456704 333373 4.10 72000 1806952 780171 8.50 523493 1578288 1425 00:00:25 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 0.34 0.09 0.15 0.08 0.00 0.00 0.00 0.00 00:20:25 lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 00:20:25 ens3 0.31 0.11 0.08 0.05 0.00 0.00 0.00 0.00 00:30:15 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 00:30:15 ens3 69.12 50.59 330.42 11.93 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 23.00 16.74 108.99 3.98 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-9211) 09/19/26 _x86_64_ (2 CPU) 00:00:25 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.26 0.01 0.14 0.02 0.00 99.57 00:10:01 0 0.43 0.02 0.12 0.01 0.00 99.41 00:10:01 1 0.09 0.00 0.16 0.02 0.00 99.72 00:20:25 all 0.62 0.00 0.25 0.01 0.00 99.11 00:20:25 0 0.49 0.00 0.25 0.02 0.01 99.23 00:20:25 1 0.75 0.00 0.25 0.01 0.00 98.99 00:30:15 all 11.93 0.00 2.04 0.57 0.01 85.45 00:30:15 0 9.71 0.00 2.00 0.45 0.01 87.82 00:30:15 1 14.15 0.00 2.08 0.68 0.01 83.07 Average: all 4.24 0.00 0.81 0.20 0.01 94.75 Average: 0 3.51 0.01 0.79 0.16 0.01 95.53 Average: 1 4.96 0.00 0.82 0.23 0.01 93.98