---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-23000 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 758 5208 4 2267 7183 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:7e:46:8e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.9/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82165sec preferred_lft 82165sec inet6 fe80::f816:3eff:fe7e:468e/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-23000) 06/03/26 _x86_64_ (2 CPU) 04:48:08 LINUX RESTART (2 CPU) 04:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:00:01 1.39 0.02 1.36 0.01 1.24 16.90 653.99 05:10:07 1.24 0.01 1.23 0.01 0.05 14.71 0.83 05:20:01 1.18 0.00 1.17 0.02 0.01 13.85 0.98 05:30:01 1.29 0.00 1.26 0.03 0.00 15.89 436.94 05:40:07 1.85 0.25 1.57 0.03 31.74 73.75 1.32 05:50:07 14.28 0.38 1.33 12.57 14.73 35.19 109128.86 Average: 3.54 0.11 1.32 2.11 8.00 28.45 18340.01 04:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:00:01 6276684 7527112 293292 3.61 30584 1425672 524444 5.71 451316 1187164 124 05:10:07 6276444 7527388 293000 3.60 30780 1426000 524444 5.71 451260 1187676 120 05:20:01 6275520 7527008 293352 3.61 30976 1426328 524580 5.71 451604 1188212 124 05:30:01 6276468 7528516 291792 3.59 31196 1426652 524644 5.71 451728 1188756 132 05:40:07 6232960 7512120 307776 3.78 31588 1453016 524760 5.72 461020 1206360 188 05:50:07 6238052 7528132 291504 3.58 31868 1463532 537184 5.85 478588 1215864 144 Average: 6262688 7525046 295119 3.63 31165 1436867 526676 5.74 457586 1195672 139 04:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:00:01 ens3 2.21 0.15 0.34 0.11 0.00 0.00 0.00 0.00 05:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:10:07 ens3 0.50 0.04 0.07 0.01 0.00 0.00 0.00 0.00 05:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:20:01 ens3 0.81 0.06 5.63 0.03 0.00 0.00 0.00 0.00 05:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:30:01 ens3 0.52 0.06 0.50 0.04 0.00 0.00 0.00 0.00 05:40:07 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 05:40:07 ens3 0.50 0.24 3.13 0.05 0.00 0.00 0.00 0.00 05:50:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:50:07 ens3 6.89 3.28 12.73 2.03 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 1.90 0.64 3.72 0.38 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23000) 06/03/26 _x86_64_ (2 CPU) 04:48:08 LINUX RESTART (2 CPU) 04:50:01 CPU %user %nice %system %iowait %steal %idle 05:00:01 all 0.28 0.00 0.18 0.01 0.04 99.49 05:00:01 0 0.20 0.00 0.19 0.01 0.04 99.56 05:00:01 1 0.36 0.00 0.17 0.02 0.04 99.42 05:10:07 all 0.26 0.00 0.08 0.01 0.04 99.61 05:10:07 0 0.06 0.00 0.10 0.01 0.04 99.79 05:10:07 1 0.46 0.00 0.06 0.00 0.04 99.44 05:20:01 all 0.27 0.00 0.08 0.01 0.04 99.60 05:20:01 0 0.11 0.00 0.09 0.01 0.04 99.74 05:20:01 1 0.43 0.00 0.06 0.01 0.04 99.46 05:30:01 all 0.24 0.00 0.16 0.01 0.04 99.54 05:30:01 0 0.11 0.00 0.18 0.01 0.04 99.66 05:30:01 1 0.38 0.00 0.14 0.02 0.04 99.43 05:40:07 all 0.34 0.00 0.10 0.03 0.04 99.49 05:40:07 0 0.32 0.00 0.09 0.02 0.04 99.53 05:40:07 1 0.36 0.00 0.12 0.04 0.04 99.44 05:50:07 all 0.43 0.00 0.11 0.05 0.04 99.38 05:50:07 0 0.54 0.00 0.11 0.04 0.03 99.28 05:50:07 1 0.32 0.00 0.11 0.05 0.05 99.47 Average: all 0.30 0.00 0.12 0.02 0.04 99.52 Average: 0 0.22 0.00 0.13 0.02 0.04 99.59 Average: 1 0.39 0.00 0.11 0.02 0.04 99.44