---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-9458 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 793 5149 4 2293 7148 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:8a:86:46 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.161/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78992sec preferred_lft 78992sec inet6 fe80::f816:3eff:fe8a:8646/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-9458) 09/19/26 _x86_64_ (2 CPU) 01:05:03 LINUX RESTART (2 CPU) 01:10:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:05 1.25 0.01 1.24 0.00 0.07 15.71 0.04 01:30:05 1.37 0.00 1.35 0.02 0.00 17.20 853.29 01:40:05 1.10 0.00 1.10 0.00 0.00 13.40 0.04 01:50:05 1.10 0.00 1.10 0.00 0.00 13.75 0.00 02:00:05 1.88 0.33 1.52 0.02 43.49 106.02 853.29 02:10:04 1.14 0.00 1.14 0.00 0.00 14.10 0.08 02:20:05 1.16 0.00 1.15 0.02 0.00 14.12 0.51 02:30:04 1.46 0.00 1.43 0.03 0.00 18.17 640.96 02:40:05 25.95 2.84 20.76 2.35 223.46 3511.03 868.89 02:50:05 15.46 0.00 1.28 14.18 0.15 15.91 106291.25 03:00:05 1.49 0.00 1.45 0.03 0.00 18.64 1.96 Average: 4.85 0.29 3.05 1.51 24.31 342.03 9955.52 01:10:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:05 6298164 7544872 275636 3.39 30628 1422964 531220 5.79 448392 1184224 328 01:30:05 6280060 7527320 293224 3.61 30824 1423300 531240 5.79 448360 1184756 328 01:40:05 6280088 7527824 292720 3.60 30972 1423616 532192 5.80 447496 1185224 256 01:50:05 6279836 7528032 292476 3.60 31132 1423940 532344 5.80 448144 1185680 240 02:00:05 6202148 7490424 329024 4.05 31744 1462872 735444 8.01 467452 1215100 296 02:10:04 6203216 7492084 327376 4.03 31916 1463288 735444 8.01 467616 1215568 200 02:20:05 6202964 7492380 327068 4.02 32104 1463652 735444 8.01 467548 1216112 260 02:30:04 6220452 7510548 308792 3.80 32340 1464072 735484 8.01 467900 1216640 232 02:40:05 5137364 7366996 398868 4.90 88468 2301840 865440 9.43 629420 2065172 256 02:50:05 5134608 7364768 400884 4.93 88620 2302240 865700 9.43 629364 2065668 252 03:00:05 5119760 7350464 415104 5.10 88812 2302588 865620 9.43 629576 2066212 252 Average: 5941696 7472337 332834 4.09 47051 1677670 696870 7.59 504661 1436396 264 01:10:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:05 ens3 0.88 0.14 0.19 0.10 0.00 0.00 0.00 0.00 01:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:05 ens3 1.13 0.08 12.29 0.04 0.00 0.00 0.00 0.00 01:40:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:05 ens3 0.57 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:50:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:05 ens3 0.51 0.15 0.16 0.10 0.00 0.00 0.00 0.00 02:00:05 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:00:05 ens3 0.90 0.48 3.36 0.70 0.00 0.00 0.00 0.00 02:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:04 ens3 0.24 0.05 0.05 0.01 0.00 0.00 0.00 0.00 02:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:05 ens3 0.18 0.03 0.02 0.01 0.00 0.00 0.00 0.00 02:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:04 ens3 0.24 0.05 0.05 0.03 0.00 0.00 0.00 0.00 02:40:05 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:40:05 ens3 71.56 47.97 324.90 11.95 0.00 0.00 0.00 0.00 02:50:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:05 ens3 2.18 0.28 0.34 0.12 0.00 0.00 0.00 0.00 03:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:05 ens3 0.69 0.27 0.14 0.07 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 7.20 4.51 31.09 1.20 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-9458) 09/19/26 _x86_64_ (2 CPU) 01:05:03 LINUX RESTART (2 CPU) 01:10:05 CPU %user %nice %system %iowait %steal %idle 01:20:05 all 0.31 0.00 0.09 0.01 0.01 99.58 01:20:05 0 0.52 0.00 0.06 0.01 0.01 99.41 01:20:05 1 0.10 0.00 0.11 0.02 0.01 99.76 01:30:05 all 0.31 0.00 0.18 0.01 0.01 99.49 01:30:05 0 0.52 0.00 0.15 0.02 0.00 99.30 01:30:05 1 0.09 0.00 0.21 0.01 0.01 99.68 01:40:05 all 0.28 0.00 0.08 0.02 0.01 99.62 01:40:05 0 0.24 0.00 0.08 0.03 0.01 99.65 01:40:05 1 0.33 0.00 0.08 0.00 0.01 99.59 01:50:05 all 0.24 0.00 0.09 0.01 0.01 99.64 01:50:05 0 0.07 0.00 0.12 0.02 0.01 99.78 01:50:05 1 0.41 0.00 0.07 0.00 0.01 99.51 02:00:05 all 0.45 0.00 0.22 0.06 0.01 99.26 02:00:05 0 0.38 0.00 0.26 0.10 0.01 99.25 02:00:05 1 0.52 0.00 0.19 0.01 0.01 99.28 02:10:04 all 0.27 0.00 0.07 0.08 0.01 99.57 02:10:04 0 0.05 0.00 0.10 0.10 0.01 99.74 02:10:04 1 0.48 0.00 0.05 0.06 0.00 99.41 02:20:05 all 0.26 0.00 0.07 0.01 0.01 99.65 02:20:05 0 0.04 0.00 0.09 0.00 0.01 99.86 02:20:05 1 0.47 0.00 0.06 0.02 0.01 99.45 02:30:04 all 0.29 0.00 0.16 0.01 0.01 99.53 02:30:04 0 0.12 0.00 0.19 0.00 0.01 99.68 02:30:04 1 0.46 0.00 0.13 0.02 0.00 99.38 02:40:05 all 12.43 0.00 2.03 0.95 0.03 84.57 02:40:05 0 14.24 0.00 2.18 0.83 0.02 82.72 02:40:05 1 10.61 0.00 1.87 1.06 0.03 86.43 02:50:05 all 0.44 0.00 0.17 0.05 0.03 99.31 02:50:05 0 0.50 0.00 0.11 0.09 0.01 99.29 02:50:05 1 0.37 0.00 0.24 0.01 0.04 99.34 03:00:05 all 0.45 0.00 0.27 0.01 0.02 99.26 03:00:05 0 0.53 0.00 0.20 0.01 0.01 99.26 03:00:05 1 0.38 0.00 0.34 0.01 0.02 99.26 Average: CPU %user %nice %system %iowait %steal %idle Average: all 1.43 0.00 0.31 0.11 0.01 98.13 Average: 0 1.57 0.00 0.32 0.11 0.01 97.99 Average: 1 1.29 0.00 0.31 0.11 0.01 98.28