---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1876 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 754 5242 4 2242 7187 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:be:58:a9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.105/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82507sec preferred_lft 82507sec inet6 fe80::f816:3eff:febe:58a9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1876) 04/11/26 _x86_64_ (2 CPU) 00:42:12 LINUX RESTART (2 CPU) 00:50:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 2.31 0.33 1.94 0.04 40.77 79.35 220.64 01:10:00 1.35 0.00 1.33 0.02 0.00 15.73 1.08 01:20:01 1.40 0.00 1.39 0.01 0.01 16.29 0.48 01:30:03 14.22 0.00 1.64 12.58 0.15 20.80 108893.63 01:40:01 1.82 0.40 1.42 0.00 15.84 48.75 0.05 Average: 4.23 0.15 1.54 2.54 11.25 36.02 21940.30 00:50:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6188464 7524852 285900 3.52 34964 1498304 531904 5.79 452864 1251968 152 01:10:00 6187260 7524200 286548 3.52 35176 1498632 532076 5.80 453016 1252512 124 01:20:01 6187260 7524724 286020 3.52 35364 1498964 533748 5.81 454504 1253032 120 01:30:03 6186112 7524168 286476 3.52 35576 1499332 595608 6.49 458700 1253580 208 01:40:01 6152404 7505588 304796 3.75 35884 1514104 548272 5.97 491352 1267024 252 Average: 6180300 7520706 289948 3.57 35393 1501867 548322 5.97 462087 1255623 171 00:50:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 1.11 0.30 3.18 0.05 0.00 0.00 0.00 0.00 01:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 1.12 0.06 10.12 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 0.57 0.10 0.14 0.06 0.00 0.00 0.00 0.00 01:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:03 ens3 0.40 0.18 0.08 0.49 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 10.47 4.18 20.27 2.68 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 2.73 0.96 6.76 0.67 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1876) 04/11/26 _x86_64_ (2 CPU) 00:42:12 LINUX RESTART (2 CPU) 00:50:10 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.47 0.00 0.22 0.02 0.03 99.26 01:00:01 0 0.82 0.00 0.22 0.04 0.02 98.89 01:00:01 1 0.12 0.00 0.22 0.01 0.04 99.62 01:10:00 all 0.27 0.00 0.08 0.01 0.02 99.61 01:10:00 0 0.33 0.00 0.05 0.02 0.02 99.58 01:10:00 1 0.21 0.00 0.11 0.01 0.03 99.65 01:20:01 all 0.24 0.00 0.07 0.01 0.02 99.65 01:20:01 0 0.05 0.00 0.09 0.01 0.02 99.83 01:20:01 1 0.42 0.00 0.06 0.02 0.02 99.48 01:30:03 all 0.30 0.00 0.17 0.04 0.02 99.47 01:30:03 0 0.15 0.00 0.17 0.00 0.03 99.65 01:30:03 1 0.45 0.00 0.16 0.07 0.02 99.30 01:40:01 all 0.50 0.00 0.10 0.01 0.02 99.36 01:40:01 0 0.37 0.00 0.09 0.01 0.02 99.51 01:40:01 1 0.64 0.00 0.11 0.02 0.02 99.21 Average: all 0.36 0.00 0.13 0.02 0.02 99.47 Average: 0 0.34 0.00 0.12 0.01 0.02 99.49 Average: 1 0.37 0.00 0.13 0.03 0.02 99.45