---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8514 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 8.0G 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 765 5174 4 2295 7176 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:08:5e:b7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.160/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80732sec preferred_lft 80732sec inet6 fe80::f816:3eff:fe08:5eb7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8514) 09/16/26 _x86_64_ (2 CPU) 01:05:11 LINUX RESTART (2 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:31 1.34 0.03 1.30 0.01 1.19 16.18 32.76 01:30:21 14.96 0.01 1.48 13.47 0.20 18.82 111826.70 01:40:01 1.17 0.00 1.15 0.02 0.00 14.17 59.35 01:50:31 1.83 0.31 1.49 0.02 41.40 100.14 11.18 02:00:11 1.41 0.00 1.38 0.03 0.00 17.65 882.54 02:10:01 1.23 0.00 1.22 0.01 0.00 14.90 0.11 02:20:21 1.26 0.00 1.26 0.00 0.00 14.97 0.00 02:30:31 1.42 0.00 1.41 0.02 0.00 17.63 839.02 Average: 3.04 0.05 1.34 1.66 5.58 27.27 13884.54 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:31 6270932 7518120 302092 3.71 30628 1423180 532688 5.80 446748 1184152 180 01:30:21 6279328 7527120 293024 3.60 30844 1423556 532528 5.80 446792 1184716 180 01:40:01 6285656 7533932 286240 3.52 31036 1423840 532580 5.80 446820 1185192 240 01:50:31 6221764 7510100 309312 3.80 31672 1462772 726016 7.91 465024 1214612 180 02:00:11 6234496 7523404 295860 3.64 31904 1463068 726152 7.91 465400 1215140 184 02:10:01 6240048 7529612 289636 3.56 32096 1463524 726080 7.91 465400 1215660 240 02:20:21 6239492 7529580 289652 3.56 32256 1463880 726112 7.91 465552 1216176 132 02:30:31 6236292 7527040 292148 3.59 32440 1464344 726112 7.91 465720 1216696 132 Average: 6251001 7524864 294746 3.62 31610 1448520 653534 7.12 458432 1204043 184 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:31 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:31 ens3 0.78 0.09 0.13 0.06 0.00 0.00 0.00 0.00 01:30:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:21 ens3 0.48 0.07 0.35 0.04 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.54 0.06 0.08 0.04 0.00 0.00 0.00 0.00 01:50:31 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:50:31 ens3 0.47 0.23 3.15 0.03 0.00 0.00 0.00 0.00 02:00:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:11 ens3 0.33 0.05 0.07 0.03 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.21 0.04 0.03 0.01 0.00 0.00 0.00 0.00 02:20:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:21 ens3 0.21 0.03 0.03 0.01 0.00 0.00 0.00 0.00 02:30:31 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:31 ens3 0.23 0.04 0.04 0.01 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 0.41 0.08 0.50 0.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8514) 09/16/26 _x86_64_ (2 CPU) 01:05:11 LINUX RESTART (2 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:31 all 0.32 0.00 0.08 0.02 0.00 99.58 01:20:31 0 0.57 0.00 0.06 0.01 0.00 99.36 01:20:31 1 0.07 0.00 0.11 0.03 0.01 99.79 01:30:21 all 0.30 0.00 0.23 0.04 0.00 99.42 01:30:21 0 0.09 0.00 0.23 0.03 0.00 99.66 01:30:21 1 0.52 0.00 0.22 0.06 0.00 99.19 01:40:01 all 0.24 0.00 0.09 0.01 0.00 99.65 01:40:01 0 0.05 0.00 0.11 0.00 0.01 99.84 01:40:01 1 0.43 0.00 0.07 0.02 0.00 99.47 01:50:31 all 0.40 0.00 0.12 0.03 0.00 99.45 01:50:31 0 0.31 0.00 0.17 0.02 0.00 99.51 01:50:31 1 0.49 0.00 0.08 0.04 0.00 99.40 02:00:11 all 0.30 0.00 0.18 0.01 0.00 99.50 02:00:11 0 0.32 0.00 0.16 0.00 0.01 99.50 02:00:11 1 0.28 0.00 0.21 0.02 0.00 99.49 02:10:01 all 0.26 0.00 0.08 0.01 0.00 99.64 02:10:01 0 0.47 0.00 0.05 0.00 0.00 99.48 02:10:01 1 0.05 0.00 0.11 0.02 0.01 99.80 02:20:21 all 0.25 0.00 0.08 0.02 0.00 99.64 02:20:21 0 0.45 0.00 0.06 0.00 0.00 99.48 02:20:21 1 0.04 0.00 0.11 0.04 0.01 99.80 02:30:31 all 0.28 0.00 0.21 0.01 0.00 99.50 02:30:31 0 0.48 0.00 0.19 0.00 0.00 99.32 02:30:31 1 0.07 0.00 0.22 0.02 0.00 99.68 Average: all 0.29 0.00 0.13 0.02 0.00 99.55 Average: 0 0.35 0.00 0.13 0.01 0.00 99.52 Average: 1 0.24 0.00 0.14 0.03 0.00 99.58