---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8082 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 756 5189 4 2290 7185 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:06:af:28 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.45/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80691sec preferred_lft 80691sec inet6 fe80::f816:3eff:fe06:af28/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8082) 09/14/26 _x86_64_ (2 CPU) 01:04:50 LINUX RESTART (2 CPU) 01:10:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:17 1.79 0.33 1.45 0.01 42.85 103.02 0.25 01:30:21 14.63 0.00 1.47 13.15 0.15 18.22 108772.84 01:40:21 1.30 0.00 1.29 0.02 0.00 15.76 49.73 01:50:21 1.21 0.00 1.20 0.01 0.00 14.67 44.76 02:00:21 1.35 0.00 1.32 0.03 0.00 16.69 476.20 02:10:17 1.17 0.00 1.16 0.01 0.00 14.42 35.11 02:20:21 1.22 0.00 1.22 0.00 0.00 15.08 0.00 02:30:21 1.44 0.00 1.43 0.01 0.00 17.93 639.63 Average: 3.02 0.04 1.32 1.66 5.45 27.13 13797.01 01:10:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:17 6223452 7510116 309632 3.81 31052 1461804 726888 7.92 462520 1212860 164 01:30:21 6223148 7510452 309108 3.80 31280 1462180 726952 7.92 462628 1213432 188 01:40:21 6250524 7538376 281192 3.46 31504 1462496 727160 7.92 461792 1213976 16 01:50:21 6255692 7544080 275480 3.39 31700 1462828 727164 7.92 461792 1214504 268 02:00:21 6243360 7532416 287128 3.53 31892 1463288 727292 7.92 462268 1215028 184 02:10:17 6249592 7539176 280352 3.45 32092 1463620 727292 7.92 462316 1215552 204 02:20:21 6247112 7537184 282340 3.47 32252 1463932 727292 7.92 462324 1216032 172 02:30:21 6244592 7535184 284304 3.50 32424 1464260 727292 7.92 462360 1216532 124 Average: 6242184 7530873 288692 3.55 31774 1463051 727166 7.92 462250 1214740 165 01:10:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:17 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:20:17 ens3 1.03 0.38 3.46 0.08 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 0.54 0.06 0.89 0.04 0.00 0.00 0.00 0.00 01:40:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:21 ens3 0.54 0.08 0.12 0.05 0.00 0.00 0.00 0.00 01:50:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:21 ens3 0.19 0.03 0.03 0.01 0.00 0.00 0.00 0.00 02:00:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:21 ens3 0.41 0.16 0.06 0.46 0.00 0.00 0.00 0.00 02:10:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:17 ens3 0.18 0.02 0.02 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 0.19 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:30:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:21 ens3 0.19 0.02 0.03 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 0.10 0.59 0.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8082) 09/14/26 _x86_64_ (2 CPU) 01:04:50 LINUX RESTART (2 CPU) 01:10:07 CPU %user %nice %system %iowait %steal %idle 01:20:17 all 0.43 0.00 0.13 0.03 0.00 99.41 01:20:17 0 0.34 0.00 0.14 0.02 0.00 99.49 01:20:17 1 0.53 0.00 0.12 0.03 0.00 99.32 01:30:21 all 0.27 0.00 0.20 0.04 0.01 99.49 01:30:21 0 0.09 0.00 0.20 0.01 0.01 99.68 01:30:21 1 0.45 0.00 0.19 0.07 0.00 99.29 01:40:21 all 0.30 0.00 0.09 0.01 0.01 99.59 01:40:21 0 0.13 0.00 0.11 0.02 0.01 99.73 01:40:21 1 0.48 0.00 0.08 0.00 0.01 99.44 01:50:21 all 0.27 0.00 0.10 0.02 0.01 99.61 01:50:21 0 0.05 0.00 0.12 0.03 0.01 99.79 01:50:21 1 0.48 0.00 0.08 0.00 0.01 99.43 02:00:21 all 0.30 0.00 0.20 0.02 0.00 99.49 02:00:21 0 0.10 0.00 0.22 0.03 0.00 99.66 02:00:21 1 0.50 0.00 0.18 0.00 0.00 99.32 02:10:17 all 0.26 0.00 0.09 0.01 0.01 99.64 02:10:17 0 0.05 0.00 0.11 0.01 0.01 99.83 02:10:17 1 0.46 0.00 0.07 0.02 0.00 99.45 02:20:21 all 0.28 0.00 0.08 0.01 0.00 99.63 02:20:21 0 0.04 0.00 0.11 0.02 0.00 99.82 02:20:21 1 0.51 0.00 0.06 0.00 0.00 99.43 02:30:21 all 0.29 0.00 0.19 0.01 0.00 99.50 02:30:21 0 0.06 0.00 0.18 0.02 0.01 99.73 02:30:21 1 0.53 0.00 0.19 0.00 0.00 99.28 Average: all 0.30 0.00 0.13 0.02 0.00 99.54 Average: 0 0.11 0.00 0.15 0.02 0.01 99.72 Average: 1 0.49 0.00 0.12 0.02 0.00 99.37