---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-53401 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: 5600.00 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 7.8G 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 5401 4 2095 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:e3:e9:89 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.31/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82486sec preferred_lft 82486sec inet6 fe80::f816:3eff:fee3:e989/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53401) 03/27/26 _x86_64_ (2 CPU) 05:13:53 LINUX RESTART (2 CPU) 05:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:26 13.66 0.01 1.62 12.04 0.19 19.96 105392.87 05:40:06 1.34 0.00 1.33 0.02 0.00 15.39 1.24 05:50:01 1.93 0.32 1.58 0.03 39.34 73.04 1.30 06:00:36 1.63 0.00 1.59 0.03 1.00 19.07 1.44 06:10:06 1.42 0.00 1.40 0.02 0.00 16.36 1.26 Average: 4.10 0.07 1.51 2.52 8.04 28.72 21931.56 05:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:26 6268980 7515148 305236 3.75 30636 1421428 528892 5.76 446468 1183388 44 05:40:06 6276568 7523272 297108 3.65 30836 1421756 528892 5.76 446524 1183916 220 05:50:01 6233396 7508716 310988 3.82 31212 1449644 726380 7.91 463696 1201116 160 06:00:36 6248604 7524824 294920 3.63 31436 1450288 529068 5.76 460036 1201672 124 06:10:06 6256192 7533072 286660 3.52 31636 1450748 529068 5.76 460272 1202196 184 Average: 6256748 7521006 298982 3.68 31151 1438773 568460 6.19 455399 1194458 146 05:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:30:26 ens3 0.76 0.09 0.14 0.06 0.00 0.00 0.00 0.00 05:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:40:06 ens3 0.39 0.04 0.05 0.01 0.00 0.00 0.00 0.00 05:50:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 05:50:01 ens3 0.60 0.22 3.08 0.03 0.00 0.00 0.00 0.00 06:00:36 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:00:36 ens3 0.29 0.05 0.07 0.03 0.00 0.00 0.00 0.00 06:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:10:06 ens3 0.28 0.04 0.05 0.01 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 0.47 0.09 0.67 0.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53401) 03/27/26 _x86_64_ (2 CPU) 05:13:53 LINUX RESTART (2 CPU) 05:20:01 CPU %user %nice %system %iowait %steal %idle 05:30:26 all 0.31 0.00 0.18 0.03 0.04 99.45 05:30:26 0 0.40 0.00 0.15 0.01 0.03 99.41 05:30:26 1 0.21 0.00 0.21 0.05 0.04 99.48 05:40:06 all 0.27 0.00 0.07 0.01 0.04 99.61 05:40:06 0 0.06 0.00 0.09 0.00 0.04 99.81 05:40:06 1 0.49 0.00 0.06 0.02 0.03 99.40 05:50:01 all 0.32 0.00 0.11 0.03 0.04 99.51 05:50:01 0 0.39 0.00 0.09 0.01 0.03 99.49 05:50:01 1 0.25 0.00 0.14 0.05 0.04 99.53 06:00:36 all 0.27 0.00 0.16 0.01 0.04 99.52 06:00:36 0 0.47 0.00 0.15 0.02 0.03 99.34 06:00:36 1 0.06 0.00 0.17 0.01 0.05 99.71 06:10:06 all 0.26 0.00 0.08 0.01 0.04 99.61 06:10:06 0 0.46 0.00 0.07 0.00 0.04 99.43 06:10:06 1 0.05 0.00 0.09 0.02 0.04 99.80 Average: all 0.29 0.00 0.12 0.02 0.04 99.54 Average: 0 0.36 0.00 0.11 0.01 0.03 99.49 Average: 1 0.21 0.00 0.13 0.03 0.04 99.58