---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2853 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 730 5325 4 2174 7211 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:14:1f:17 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.82/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82434sec preferred_lft 82434sec inet6 fe80::f816:3eff:fe14:1f17/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2853) 04/15/26 _x86_64_ (2 CPU) 00:41:21 LINUX RESTART (2 CPU) 00:50:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:07 1.42 0.01 1.39 0.02 0.05 17.11 872.76 01:10:06 1.39 0.00 1.37 0.02 0.00 15.77 1.20 01:20:06 1.35 0.00 1.33 0.02 0.01 15.31 1.20 01:30:05 1.45 0.00 1.42 0.03 0.00 17.68 655.41 01:40:06 1.85 0.32 1.49 0.03 40.04 73.04 1.45 Average: 1.49 0.07 1.40 0.02 8.03 27.79 306.33 00:50:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:07 6291852 7538796 281528 3.46 30720 1421884 521908 5.68 443592 1183596 184 01:10:06 6291852 7539324 281032 3.46 30912 1422216 521836 5.68 443732 1184120 176 01:20:06 6291852 7539864 280488 3.45 31124 1422540 521908 5.68 444380 1184656 196 01:30:05 6287660 7536200 284144 3.49 31312 1422868 522012 5.69 444428 1185172 192 01:40:06 6251532 7529404 290396 3.57 31716 1451408 522012 5.69 456220 1202608 248 Average: 6282950 7536718 283518 3.49 31157 1428183 521935 5.68 446470 1188030 199 00:50:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:07 ens3 0.67 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:06 ens3 0.37 0.04 0.09 0.03 0.00 0.00 0.00 0.00 01:20:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:06 ens3 0.44 0.09 0.13 0.06 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 0.38 0.17 0.08 0.54 0.00 0.00 0.00 0.00 01:40:06 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:06 ens3 0.65 0.28 3.17 0.09 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 0.50 0.13 0.71 0.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2853) 04/15/26 _x86_64_ (2 CPU) 00:41:21 LINUX RESTART (2 CPU) 00:50:07 CPU %user %nice %system %iowait %steal %idle 01:00:07 all 0.28 0.00 0.17 0.04 0.03 99.49 01:00:07 0 0.22 0.00 0.19 0.01 0.03 99.56 01:00:07 1 0.33 0.00 0.15 0.07 0.03 99.42 01:10:06 all 0.26 0.00 0.07 0.02 0.03 99.62 01:10:06 0 0.06 0.00 0.11 0.01 0.03 99.80 01:10:06 1 0.46 0.00 0.04 0.03 0.02 99.45 01:20:06 all 0.24 0.00 0.07 0.03 0.03 99.63 01:20:06 0 0.34 0.00 0.07 0.04 0.03 99.52 01:20:06 1 0.14 0.00 0.08 0.01 0.03 99.74 01:30:05 all 0.30 0.00 0.15 0.02 0.03 99.50 01:30:05 0 0.44 0.00 0.16 0.01 0.02 99.37 01:30:05 1 0.17 0.00 0.15 0.03 0.03 99.63 01:40:06 all 0.36 0.00 0.10 0.06 0.03 99.45 01:40:06 0 0.44 0.00 0.09 0.02 0.02 99.42 01:40:06 1 0.29 0.00 0.11 0.10 0.03 99.48 Average: all 0.29 0.00 0.11 0.03 0.03 99.54 Average: 0 0.30 0.00 0.12 0.02 0.03 99.53 Average: 1 0.28 0.00 0.10 0.05 0.03 99.55