---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-5772 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 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 nrip_save 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 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 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 7.9G 30G 21% / 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 795 5247 4 2187 7146 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:b5:63:02 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.68/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81838sec preferred_lft 81838sec inet6 fe80::f816:3eff:feb5:6302/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-5772) 03/19/26 _x86_64_ (2 CPU) 04:33:33 LINUX RESTART (2 CPU) 04:40:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:50:01 1.35 0.01 1.34 0.00 0.05 16.25 0.25 05:00:15 1.48 0.00 1.48 0.01 0.00 17.84 426.12 05:10:15 1.30 0.00 1.29 0.00 0.00 15.51 0.12 05:20:01 1.97 0.33 1.63 0.02 41.08 74.77 0.26 05:30:15 1.63 0.00 1.61 0.02 0.00 19.25 0.33 05:40:15 22.05 3.02 16.79 2.23 227.65 3064.94 671.51 Average: 4.96 0.56 4.02 0.38 44.63 534.55 184.75 04:40:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:50:01 6277748 7528568 291580 3.59 30684 1425992 531536 5.79 450064 1187316 124 05:00:15 6281892 7533232 286888 3.53 30860 1426324 531604 5.79 450348 1187824 124 05:10:15 6280888 7532736 287368 3.53 31040 1426648 531756 5.79 452772 1188328 172 05:20:01 6221876 7502628 316932 3.90 31396 1454808 531896 5.79 464260 1205468 240 05:30:15 6233320 7514732 304784 3.75 31564 1455272 531896 5.79 464496 1205972 124 05:40:15 5322660 7430188 341268 4.20 84836 2187040 585108 6.37 576860 1945480 11332 Average: 6103064 7507014 304803 3.75 40063 1562681 540633 5.89 476467 1320065 2019 04:40:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:50:01 ens3 0.79 0.10 0.14 0.06 0.00 0.00 0.00 0.00 05:00:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:00:15 ens3 0.59 0.08 2.65 0.05 0.00 0.00 0.00 0.00 05:10:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:10:15 ens3 0.55 0.05 0.86 0.03 0.00 0.00 0.00 0.00 05:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 05:20:01 ens3 0.59 0.30 3.14 0.05 0.00 0.00 0.00 0.00 05:30:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:30:15 ens3 0.20 0.04 0.07 0.03 0.00 0.00 0.00 0.00 05:40:15 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 05:40:15 ens3 97.03 69.05 302.41 17.11 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 16.62 11.60 51.54 2.89 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-5772) 03/19/26 _x86_64_ (2 CPU) 04:33:33 LINUX RESTART (2 CPU) 04:40:15 CPU %user %nice %system %iowait %steal %idle 04:50:01 all 0.25 0.00 0.08 0.01 0.03 99.63 04:50:01 0 0.06 0.00 0.09 0.02 0.03 99.81 04:50:01 1 0.44 0.00 0.07 0.00 0.03 99.46 05:00:15 all 0.29 0.00 0.16 0.01 0.03 99.51 05:00:15 0 0.08 0.00 0.17 0.01 0.04 99.70 05:00:15 1 0.49 0.00 0.15 0.01 0.03 99.32 05:10:15 all 0.26 0.00 0.08 0.01 0.03 99.62 05:10:15 0 0.34 0.00 0.08 0.00 0.03 99.55 05:10:15 1 0.19 0.00 0.08 0.02 0.03 99.68 05:20:01 all 0.37 0.00 0.12 0.02 0.03 99.46 05:20:01 0 0.45 0.00 0.08 0.03 0.03 99.41 05:20:01 1 0.28 0.00 0.16 0.02 0.04 99.50 05:30:15 all 0.26 0.00 0.17 0.01 0.03 99.53 05:30:15 0 0.08 0.00 0.19 0.02 0.03 99.68 05:30:15 1 0.44 0.00 0.16 0.00 0.03 99.37 05:40:15 all 10.83 0.00 1.72 0.58 0.05 86.82 05:40:15 0 6.90 0.00 1.42 0.28 0.05 91.35 05:40:15 1 14.74 0.00 2.03 0.88 0.05 82.30 Average: all 2.04 0.00 0.39 0.11 0.03 97.43 Average: 0 1.31 0.00 0.34 0.06 0.04 98.25 Average: 1 2.76 0.00 0.44 0.16 0.03 96.61