---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-23539 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 739 5235 4 2258 7201 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:4d:69:1f 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 82509sec preferred_lft 82509sec inet6 fe80::f816:3eff:fe4d:691f/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-23539) 06/04/26 _x86_64_ (2 CPU) 00:42:30 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:09 1.48 0.01 1.44 0.03 0.05 17.59 431.98 01:10:09 1.39 0.00 1.38 0.02 0.00 16.16 1.20 01:20:01 1.31 0.00 1.29 0.02 0.01 14.90 1.09 01:30:09 2.13 0.25 1.83 0.04 30.57 77.01 431.44 01:40:09 1.40 0.01 1.38 0.02 1.05 16.11 1.37 Average: 1.54 0.05 1.47 0.02 6.40 28.49 175.18 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:09 6289024 7540332 280072 3.44 30776 1426168 531160 5.79 447708 1187664 228 01:10:09 6292448 7544296 276100 3.40 30984 1426500 531292 5.79 447828 1188200 132 01:20:01 6291220 7543588 276828 3.40 31168 1426820 531316 5.79 448028 1188708 128 01:30:09 6246268 7525484 294264 3.62 31612 1452832 726356 7.91 462320 1206396 148 01:40:09 6252896 7533104 286708 3.53 31824 1453596 531484 5.79 457616 1206936 132 Average: 6274371 7537361 282794 3.48 31273 1437183 570322 6.21 452700 1195581 154 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:09 ens3 0.77 0.06 0.10 0.03 0.00 0.00 0.00 0.00 01:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:09 ens3 0.69 0.06 7.25 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.63 0.09 0.56 0.06 0.00 0.00 0.00 0.00 01:30:09 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:09 ens3 0.57 0.25 3.12 0.05 0.00 0.00 0.00 0.00 01:40:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:09 ens3 0.46 0.10 0.14 0.08 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 0.62 0.11 2.24 0.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23539) 06/04/26 _x86_64_ (2 CPU) 00:42:30 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:09 all 0.30 0.00 0.17 0.01 0.03 99.49 01:00:09 0 0.33 0.00 0.16 0.02 0.03 99.46 01:00:09 1 0.27 0.00 0.17 0.01 0.03 99.53 01:10:09 all 0.25 0.00 0.07 0.01 0.03 99.64 01:10:09 0 0.36 0.00 0.07 0.01 0.03 99.55 01:10:09 1 0.14 0.00 0.08 0.02 0.03 99.74 01:20:01 all 0.22 0.00 0.07 0.02 0.03 99.66 01:20:01 0 0.39 0.00 0.06 0.02 0.02 99.52 01:20:01 1 0.05 0.00 0.08 0.03 0.04 99.81 01:30:09 all 0.35 0.00 0.17 0.02 0.03 99.43 01:30:09 0 0.35 0.00 0.17 0.03 0.03 99.42 01:30:09 1 0.34 0.00 0.18 0.02 0.03 99.43 01:40:09 all 0.26 0.00 0.07 0.01 0.03 99.63 01:40:09 0 0.43 0.00 0.05 0.01 0.02 99.49 01:40:09 1 0.09 0.00 0.09 0.01 0.04 99.76 Average: all 0.27 0.00 0.11 0.02 0.03 99.57 Average: 0 0.37 0.00 0.10 0.02 0.03 99.49 Average: 1 0.18 0.00 0.12 0.02 0.03 99.65