---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-773 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 7.8G 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 742 5394 4 2090 7199 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:3e:c0:bf brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.138/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84808sec preferred_lft 84808sec inet6 fe80::f816:3eff:fe3e:c0bf/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-773) 03/17/26 _x86_64_ (2 CPU) 13:15:00 LINUX RESTART (2 CPU) 13:20:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:30:29 2.12 0.34 1.76 0.02 39.61 73.68 428.88 13:40:08 15.89 1.85 12.62 1.42 123.58 2200.96 600.90 Average: 8.83 1.07 7.05 0.70 80.53 1110.48 512.72 13:20:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:30:29 6236776 7511560 308176 3.79 30800 1449484 717208 7.81 460896 1200008 124 13:40:08 5554300 7394240 390648 4.80 69864 1945668 636624 6.93 594844 1718324 172 Average: 5895538 7452900 349412 4.30 50332 1697576 676916 7.37 527870 1459166 148 13:20:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:30:29 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 13:30:29 ens3 0.77 0.26 3.06 0.07 0.00 0.00 0.00 0.00 13:40:08 lo 1.20 1.20 0.08 0.08 0.00 0.00 0.00 0.00 13:40:08 ens3 35.11 23.34 266.71 6.88 0.00 0.00 0.00 0.00 Average: lo 1.11 1.11 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 17.50 11.51 131.56 3.39 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-773) 03/17/26 _x86_64_ (2 CPU) 13:15:00 LINUX RESTART (2 CPU) 13:20:19 CPU %user %nice %system %iowait %steal %idle 13:30:29 all 0.39 0.00 0.21 0.06 0.03 99.30 13:30:29 0 0.58 0.00 0.20 0.10 0.03 99.10 13:30:29 1 0.20 0.00 0.22 0.03 0.03 99.51 13:40:08 all 6.99 0.00 1.03 1.79 0.05 90.14 13:40:08 0 7.62 0.00 1.12 2.61 0.04 88.60 13:40:08 1 6.36 0.00 0.94 0.98 0.05 91.67 Average: all 3.61 0.00 0.61 0.91 0.04 94.84 Average: 0 4.01 0.00 0.65 1.32 0.03 93.98 Average: 1 3.20 0.00 0.57 0.49 0.04 95.69