---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1082 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 7.9G 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 813 5168 4 2247 7128 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:85:b3:13 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.131/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84486sec preferred_lft 84486sec inet6 fe80::f816:3eff:fe85:b313/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1082) 03/18/26 _x86_64_ (2 CPU) 07:59:32 LINUX RESTART (2 CPU) 08:00:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:01 27.82 6.02 19.51 2.29 609.46 4611.86 1618.62 08:20:18 1.38 0.01 1.36 0.01 0.06 99.83 0.57 08:30:18 18.07 0.05 3.65 14.37 1.93 460.75 108754.75 Average: 15.61 2.00 8.10 5.51 201.59 1706.71 36486.81 08:00:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:01 5319892 7401088 371492 4.57 83244 2162968 695188 7.57 587740 1930864 356 08:20:18 5285756 7396596 375552 4.62 83412 2192336 702416 7.65 594848 1960400 3876 08:30:18 5329720 7329120 451936 5.56 85276 2087060 677380 7.38 661404 1856600 11152 Average: 5311789 7375601 399660 4.91 83977 2147455 691661 7.53 614664 1915955 5128 08:00:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 08:10:01 ens3 126.33 84.92 345.64 20.13 0.00 0.00 0.00 0.00 08:20:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 08:20:18 ens3 61.80 59.96 27.84 6.66 0.00 0.00 0.00 0.00 08:30:18 lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 08:30:18 ens3 45.32 39.26 29.10 18.66 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 77.63 61.34 133.03 15.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1082) 03/18/26 _x86_64_ (2 CPU) 07:59:32 LINUX RESTART (2 CPU) 08:00:03 CPU %user %nice %system %iowait %steal %idle 08:10:01 all 13.84 0.00 2.26 4.64 0.07 79.18 08:10:01 0 12.76 0.00 2.16 5.23 0.07 79.77 08:10:01 1 14.93 0.00 2.36 4.05 0.07 78.59 08:20:18 all 7.28 0.00 0.83 0.02 0.09 91.78 08:20:18 0 8.41 0.00 0.95 0.02 0.09 90.53 08:20:18 1 6.15 0.00 0.72 0.01 0.10 93.02 08:30:18 all 7.47 0.00 1.10 1.96 0.07 89.40 08:30:18 0 5.45 0.00 0.76 1.64 0.06 92.09 08:30:18 1 9.50 0.00 1.44 2.28 0.07 86.70 Average: all 9.51 0.00 1.39 2.19 0.08 86.83 Average: 0 8.87 0.00 1.29 2.28 0.07 87.49 Average: 1 10.16 0.00 1.50 2.10 0.08 86.17