---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6566 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 8.1G 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 770 5018 4 2455 7171 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:77:41:70 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.69/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 16452sec preferred_lft 16452sec inet6 fe80::f816:3eff:fe77:4170/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6566) 09/11/26 _x86_64_ (2 CPU) 00:00:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:06 1.75 0.02 1.72 0.01 0.85 20.47 5.29 00:20:16 1.79 0.10 1.66 0.03 3.00 22.89 272.80 00:30:16 27.00 2.98 21.66 2.35 227.23 3501.97 1310.98 Average: 10.18 1.03 8.35 0.80 77.04 1181.78 531.17 00:00:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:06 6104032 7506144 301948 3.71 52196 1547016 732436 7.98 482236 1315044 424 00:20:16 6110220 7478144 329828 4.06 52384 1512588 730360 7.96 481076 1280588 316 00:30:16 5087188 7389348 365768 4.50 105864 2348240 825728 8.99 608392 2124408 3096 Average: 5767147 7457879 332515 4.09 70148 1802615 762841 8.31 523901 1573347 1279 00:00:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:06 ens3 0.28 0.08 0.09 0.05 0.00 0.00 0.00 0.00 00:20:16 lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 00:20:16 ens3 0.24 0.08 0.07 0.04 0.00 0.00 0.00 0.00 00:30:16 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 00:30:16 ens3 69.31 49.45 322.15 11.79 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 23.28 16.54 107.44 3.96 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6566) 09/11/26 _x86_64_ (2 CPU) 00:00:16 CPU %user %nice %system %iowait %steal %idle 00:10:06 all 0.26 0.00 0.14 0.01 0.00 99.59 00:10:06 0 0.05 0.00 0.16 0.01 0.00 99.79 00:10:06 1 0.46 0.00 0.12 0.02 0.00 99.39 00:20:16 all 0.61 0.00 0.24 0.02 0.00 99.13 00:20:16 0 0.80 0.00 0.21 0.02 0.00 98.98 00:20:16 1 0.42 0.00 0.28 0.01 0.00 99.28 00:30:16 all 12.00 0.00 2.07 0.57 0.01 85.34 00:30:16 0 14.02 0.00 2.25 0.68 0.01 83.04 00:30:16 1 9.98 0.00 1.90 0.46 0.01 87.64 Average: all 4.29 0.00 0.82 0.20 0.01 94.68 Average: 0 4.96 0.00 0.87 0.23 0.00 93.93 Average: 1 3.62 0.00 0.77 0.17 0.01 95.44