---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-60579 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 8.0G 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 775 5076 4 2392 7165 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:c6:ae:0c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.154/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 73004sec preferred_lft 73004sec inet6 fe80::f816:3eff:fec6:ae0c/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-60579) 09/30/26 _x86_64_ (2 CPU) 00:00:36 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:46 1.67 0.01 1.64 0.01 0.80 20.53 421.19 00:20:01 1.81 0.12 1.66 0.03 3.30 25.00 451.50 00:30:43 1.66 0.00 1.64 0.02 0.00 19.42 593.31 00:40:25 25.99 2.90 20.75 2.34 228.60 3658.53 1737.25 Average: 7.63 0.74 6.31 0.59 56.71 908.36 795.37 00:00:36 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:46 6081324 7499492 308132 3.79 54824 1560164 741420 8.08 480484 1330248 124 00:20:01 6112708 7488980 318600 3.92 54948 1518116 738344 8.04 479120 1288108 236 00:30:43 6122612 7499344 308128 3.79 55076 1518448 738344 8.04 479220 1288560 148 00:40:25 5041872 7358852 395852 4.87 106044 2362620 836908 9.12 607240 2138772 2872 Average: 5839629 7461667 332678 4.09 67723 1739837 763754 8.32 511516 1511422 845 00:00:36 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:46 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:46 ens3 0.31 0.09 0.11 0.07 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.21 0.04 0.04 0.02 0.00 0.00 0.00 0.00 00:30:43 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:43 ens3 0.56 0.13 0.19 0.12 0.00 0.00 0.00 0.00 00:40:25 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:25 ens3 70.38 51.21 335.68 12.11 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 17.44 12.55 81.94 3.01 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-60579) 09/30/26 _x86_64_ (2 CPU) 00:00:36 CPU %user %nice %system %iowait %steal %idle 00:10:46 all 0.26 0.00 0.10 0.01 0.00 99.62 00:10:46 0 0.46 0.00 0.09 0.01 0.00 99.44 00:10:46 1 0.06 0.00 0.12 0.01 0.00 99.81 00:20:01 all 0.67 0.00 0.24 0.02 0.00 99.07 00:20:01 0 0.87 0.00 0.23 0.02 0.00 98.89 00:20:01 1 0.47 0.00 0.25 0.02 0.00 99.26 00:30:43 all 0.26 0.00 0.15 0.01 0.00 99.57 00:30:43 0 0.41 0.00 0.14 0.01 0.00 99.44 00:30:43 1 0.12 0.00 0.16 0.01 0.00 99.70 00:40:25 all 11.99 0.00 2.01 1.12 0.01 84.87 00:40:25 0 13.33 0.00 2.01 1.94 0.01 82.70 00:40:25 1 10.64 0.00 2.00 0.29 0.01 87.05 Average: all 3.22 0.00 0.61 0.28 0.00 95.88 Average: 0 3.68 0.00 0.60 0.48 0.00 95.23 Average: 1 2.75 0.00 0.62 0.08 0.01 96.54