---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-61023 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 777 5005 4 2461 7163 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:81:53:3d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.35/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 570sec preferred_lft 570sec inet6 fe80::f816:3eff:fe81:533d/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-61023) 10/02/26 _x86_64_ (2 CPU) 00:00:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:05 1.61 0.02 1.58 0.01 0.81 19.55 423.23 00:20:05 1.70 0.11 1.57 0.03 3.05 22.91 928.52 00:30:05 1.55 0.00 1.53 0.02 0.00 17.63 634.76 00:40:05 28.05 2.81 22.94 2.30 221.56 3574.89 1559.63 00:50:05 1.65 0.01 1.64 0.00 0.48 80.60 0.03 01:00:01 1.86 0.00 1.84 0.02 0.00 96.58 0.26 Average: 6.07 0.49 5.19 0.40 37.70 636.05 591.83 00:00:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:05 6097144 7511624 296400 3.64 55136 1556052 748772 8.16 485944 1325944 432 00:20:05 6114460 7487164 320812 3.94 55236 1514136 746344 8.13 484780 1283920 224 00:30:05 6126860 7500124 307804 3.78 55332 1514592 746340 8.13 484704 1284344 216 00:40:05 5106248 7418748 336336 4.14 106648 2357312 769016 8.38 567636 2133460 7080 00:50:05 5054252 7377796 377260 4.64 106768 2368332 865660 9.43 619592 2144592 312 01:00:01 5005964 7352504 402416 4.95 106864 2391192 862584 9.40 623788 2167556 932 Average: 5584155 7441327 340171 4.18 80997 1950269 789786 8.60 544407 1723303 1533 00:00:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:05 ens3 0.30 0.08 0.10 0.07 0.00 0.00 0.00 0.00 00:20:05 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:05 ens3 0.27 0.09 0.09 0.04 0.00 0.00 0.00 0.00 00:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:05 ens3 0.48 0.09 0.13 0.07 0.00 0.00 0.00 0.00 00:40:05 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:05 ens3 74.91 53.62 327.01 13.05 0.00 0.00 0.00 0.00 00:50:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:05 ens3 38.99 33.26 7.94 4.21 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 48.33 46.41 10.40 6.35 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 27.19 22.23 57.67 3.96 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-61023) 10/02/26 _x86_64_ (2 CPU) 00:00:06 CPU %user %nice %system %iowait %steal %idle 00:10:05 all 0.27 0.00 0.11 0.01 0.00 99.61 00:10:05 0 0.47 0.00 0.08 0.01 0.00 99.43 00:10:05 1 0.06 0.00 0.14 0.02 0.00 99.78 00:20:05 all 0.63 0.00 0.22 0.02 0.00 99.13 00:20:05 0 0.80 0.00 0.20 0.00 0.00 99.00 00:20:05 1 0.47 0.00 0.25 0.03 0.00 99.25 00:30:05 all 0.29 0.00 0.18 0.02 0.00 99.50 00:30:05 0 0.52 0.00 0.14 0.02 0.00 99.32 00:30:05 1 0.07 0.00 0.22 0.02 0.00 99.69 00:40:05 all 11.61 0.00 1.94 0.60 0.01 85.84 00:40:05 0 12.59 0.00 2.02 0.67 0.01 84.71 00:40:05 1 10.64 0.00 1.86 0.53 0.01 86.96 00:50:05 all 2.89 0.00 0.50 0.01 0.02 96.58 00:50:05 0 3.09 0.00 0.49 0.01 0.02 96.40 00:50:05 1 2.68 0.00 0.52 0.02 0.02 96.77 01:00:01 all 4.54 0.00 0.76 0.02 0.01 94.67 01:00:01 0 2.08 0.00 0.79 0.02 0.01 97.12 01:00:01 1 7.06 0.00 0.74 0.02 0.01 92.17 Average: all 3.37 0.00 0.62 0.11 0.01 95.89 Average: 0 3.26 0.00 0.62 0.12 0.01 95.99 Average: 1 3.49 0.00 0.62 0.11 0.01 95.78