---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-775 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 752 5412 4 2062 7189 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:53:4c:5a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.42/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84847sec preferred_lft 84847sec inet6 fe80::f816:3eff:fe53:4c5a/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-775) 03/17/26 _x86_64_ (2 CPU) 13:15:03 LINUX RESTART (2 CPU) 13:20:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:30:06 1.64 0.01 1.62 0.01 0.05 19.39 653.91 13:40:03 28.22 1.79 12.46 13.97 119.14 2128.16 109973.70 Average: 14.90 0.90 7.02 6.98 59.45 1071.13 55176.81 13:20:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:30:06 6278020 7524584 295576 3.63 30632 1421836 525372 5.72 456616 1183268 248 13:40:03 5626236 7437748 347452 4.27 69784 1917736 581796 6.34 538744 1701708 220 Average: 5952128 7481166 321514 3.95 50208 1669786 553584 6.03 497680 1442488 234 13:20:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 13:30:06 ens3 0.59 0.10 0.12 0.06 0.00 0.00 0.00 0.00 13:40:03 lo 1.21 1.21 0.07 0.07 0.00 0.00 0.00 0.00 13:40:03 ens3 39.39 24.86 259.64 6.96 0.00 0.00 0.00 0.00 Average: lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 19.94 12.45 129.55 3.50 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-775) 03/17/26 _x86_64_ (2 CPU) 13:15:03 LINUX RESTART (2 CPU) 13:20:06 CPU %user %nice %system %iowait %steal %idle 13:30:06 all 0.29 0.00 0.18 0.05 0.03 99.46 13:30:06 0 0.21 0.00 0.17 0.08 0.03 99.51 13:30:06 1 0.36 0.00 0.19 0.01 0.03 99.42 13:40:03 all 6.89 0.00 1.08 1.59 0.04 90.40 13:40:03 0 7.57 0.00 1.14 1.08 0.04 90.17 13:40:03 1 6.21 0.00 1.01 2.11 0.04 90.63 Average: all 3.58 0.00 0.63 0.82 0.03 94.94 Average: 0 3.88 0.00 0.66 0.58 0.03 94.85 Average: 1 3.28 0.00 0.60 1.06 0.03 95.04