---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19483 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: 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 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 737 5238 4 2258 7204 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:73:d6:64 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.33/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82458sec preferred_lft 82458sec inet6 fe80::f816:3eff:fe73:d664/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19483) 05/24/26 _x86_64_ (2 CPU) 00:41:52 LINUX RESTART (2 CPU) 00:50:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.40 0.01 1.38 0.01 0.05 17.09 449.52 01:10:27 1.71 0.25 1.46 0.01 30.67 71.19 0.22 01:20:27 1.31 0.00 1.29 0.01 0.01 15.24 0.96 01:30:01 1.62 0.00 1.59 0.03 0.00 19.38 456.67 01:40:17 1.80 0.39 1.39 0.02 15.41 47.05 0.13 Average: 1.57 0.13 1.42 0.02 9.59 34.62 174.91 00:50:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6297820 7548832 271632 3.34 30692 1425932 522168 5.69 442388 1187528 128 01:10:27 6244840 7522988 297028 3.65 31052 1452364 522192 5.69 451716 1205228 204 01:20:27 6252428 7531116 288900 3.55 31256 1452688 522340 5.69 452232 1205760 220 01:30:01 6259568 7538828 281112 3.46 31464 1453020 522408 5.69 452188 1206312 124 01:40:17 6214876 7509512 310192 3.81 31792 1467848 562540 6.13 492504 1219824 220 Average: 6253906 7530255 289773 3.56 31251 1450370 530330 5.78 458206 1204930 179 00:50:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.61 0.07 0.09 0.04 0.00 0.00 0.00 0.00 01:10:27 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:27 ens3 1.09 0.24 8.04 0.05 0.00 0.00 0.00 0.00 01:20:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:27 ens3 0.59 0.10 0.13 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.38 0.04 0.07 0.03 0.00 0.00 0.00 0.00 01:40:17 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:17 ens3 9.26 5.70 23.37 3.08 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 2.44 1.26 6.54 0.67 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19483) 05/24/26 _x86_64_ (2 CPU) 00:41:52 LINUX RESTART (2 CPU) 00:50:19 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.28 0.00 0.16 0.01 0.02 99.52 01:00:01 0 0.32 0.00 0.17 0.00 0.02 99.49 01:00:01 1 0.24 0.00 0.15 0.02 0.03 99.56 01:10:27 all 0.37 0.00 0.11 0.02 0.02 99.48 01:10:27 0 0.47 0.00 0.08 0.01 0.02 99.42 01:10:27 1 0.27 0.00 0.14 0.04 0.03 99.53 01:20:27 all 0.27 0.00 0.08 0.01 0.02 99.62 01:20:27 0 0.46 0.00 0.07 0.01 0.02 99.45 01:20:27 1 0.08 0.00 0.09 0.01 0.03 99.79 01:30:01 all 0.28 0.00 0.18 0.05 0.03 99.47 01:30:01 0 0.47 0.00 0.16 0.10 0.02 99.25 01:30:01 1 0.09 0.00 0.20 0.00 0.03 99.68 01:40:17 all 0.48 0.00 0.12 0.02 0.02 99.36 01:40:17 0 0.66 0.00 0.07 0.01 0.02 99.23 01:40:17 1 0.30 0.00 0.17 0.02 0.03 99.48 Average: all 0.34 0.00 0.13 0.02 0.02 99.49 Average: 0 0.48 0.00 0.11 0.02 0.02 99.37 Average: 1 0.20 0.00 0.15 0.02 0.03 99.61