---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-47344 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 8.2G 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 770 4921 4 2553 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:31:41:ca brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.27/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 5469sec preferred_lft 5469sec inet6 fe80::f816:3eff:fe31:41ca/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-47344) 09/05/26 _x86_64_ (2 CPU) 00:00:31 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.64 0.02 1.61 0.01 0.86 20.10 0.24 00:20:31 1.63 0.10 1.51 0.03 2.91 22.32 523.47 00:30:11 1.68 0.00 1.67 0.02 0.00 19.52 0.28 00:40:01 10.94 1.36 9.04 0.53 99.84 1494.50 230.47 00:50:01 16.44 1.49 13.10 1.85 124.91 2516.71 803.50 Average: 6.48 0.60 5.39 0.49 45.84 817.48 319.06 00:00:31 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6104808 7519620 288504 3.55 54788 1556748 737880 8.04 475996 1327176 268 00:20:31 6128788 7504224 303836 3.74 54904 1517196 735672 8.01 474692 1287524 176 00:30:11 6127348 7503336 304672 3.75 55000 1517652 735736 8.01 474832 1287940 268 00:40:01 5541356 7353684 427184 5.25 85168 1900656 868768 9.46 630684 1687612 43616 00:50:01 4934008 7322664 414096 5.09 105996 2430948 897004 9.77 654448 2207148 740 Average: 5767262 7440706 347658 4.27 71171 1784640 795012 8.66 542130 1559480 9014 00:00:31 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 0.41 0.13 0.14 0.09 0.00 0.00 0.00 0.00 00:20:31 lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 00:20:31 ens3 0.38 0.10 0.09 0.05 0.00 0.00 0.00 0.00 00:30:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:11 ens3 0.64 0.13 0.17 0.10 0.00 0.00 0.00 0.00 00:40:01 lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 00:40:01 ens3 29.47 20.86 174.55 5.61 0.00 0.00 0.00 0.00 00:50:01 lo 1.21 1.21 0.07 0.07 0.00 0.00 0.00 0.00 00:50:01 ens3 53.50 45.53 247.18 10.66 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 16.94 13.41 84.67 3.31 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-47344) 09/05/26 _x86_64_ (2 CPU) 00:00:31 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.26 0.00 0.12 0.01 0.00 99.61 00:10:01 0 0.24 0.00 0.12 0.02 0.00 99.61 00:10:01 1 0.28 0.00 0.12 0.00 0.00 99.60 00:20:31 all 0.61 0.00 0.22 0.01 0.00 99.15 00:20:31 0 0.52 0.00 0.26 0.01 0.00 99.20 00:20:31 1 0.70 0.00 0.18 0.02 0.00 99.10 00:30:11 all 0.28 0.00 0.19 0.01 0.00 99.51 00:30:11 0 0.30 0.00 0.20 0.02 0.00 99.48 00:30:11 1 0.27 0.00 0.18 0.01 0.00 99.55 00:40:01 all 4.14 0.00 0.78 0.24 0.01 94.83 00:40:01 0 3.54 0.00 0.64 0.07 0.01 95.74 00:40:01 1 4.73 0.00 0.93 0.41 0.01 93.92 00:50:01 all 13.52 0.00 1.59 0.34 0.01 84.55 00:50:01 0 10.10 0.00 1.68 0.48 0.01 87.74 00:50:01 1 16.94 0.00 1.49 0.20 0.01 81.36 Average: all 3.78 0.00 0.58 0.12 0.00 95.51 Average: 0 2.96 0.00 0.58 0.12 0.00 96.33 Average: 1 4.61 0.00 0.58 0.13 0.00 94.68