---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-28974 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 8.0G 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 771 5184 4 2277 7170 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:4f:0c:a2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.250/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84025sec preferred_lft 84025sec inet6 fe80::f816:3eff:fe4f:ca2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-28974) 06/21/26 _x86_64_ (2 CPU) 00:15:38 LINUX RESTART (2 CPU) 00:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:24 5.34 0.20 4.59 0.55 7.80 822.62 232.17 00:40:24 1.27 0.01 1.26 0.00 0.05 17.79 0.31 00:50:01 1.90 0.27 1.62 0.02 33.30 85.59 0.24 Average: 2.88 0.16 2.53 0.20 13.40 318.01 80.51 00:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:24 5209136 7382784 384856 4.73 86328 2247832 664876 7.24 604904 2019008 168 00:40:24 5207376 7382256 385092 4.74 86464 2248932 665968 7.25 606092 2020244 188 00:50:01 5151760 7355904 411248 5.06 86768 2277776 670328 7.30 619392 2040316 164 Average: 5189424 7373648 393732 4.84 86520 2258180 667057 7.27 610129 2026523 173 00:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:24 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:30:24 ens3 26.18 18.36 10.53 4.74 0.00 0.00 0.00 0.00 00:40:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:24 ens3 2.61 0.39 0.39 0.13 0.00 0.00 0.00 0.00 00:50:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 2.90 0.70 3.59 0.18 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 10.86 6.71 4.93 1.74 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-28974) 06/21/26 _x86_64_ (2 CPU) 00:15:38 LINUX RESTART (2 CPU) 00:20:01 CPU %user %nice %system %iowait %steal %idle 00:30:24 all 3.18 0.00 0.57 0.08 0.05 96.12 00:30:24 0 1.22 0.00 0.50 0.04 0.06 98.18 00:30:24 1 5.16 0.00 0.64 0.12 0.04 94.05 00:40:24 all 0.58 0.00 0.14 0.01 0.05 99.22 00:40:24 0 0.72 0.00 0.21 0.01 0.07 98.99 00:40:24 1 0.45 0.00 0.07 0.01 0.03 99.45 00:50:01 all 1.22 0.00 0.18 0.02 0.05 98.53 00:50:01 0 1.95 0.00 0.18 0.01 0.04 97.82 00:50:01 1 0.49 0.00 0.19 0.02 0.05 99.25 Average: all 1.68 0.00 0.30 0.03 0.05 97.93 Average: 0 1.29 0.00 0.30 0.02 0.06 98.33 Average: 1 2.08 0.00 0.31 0.05 0.04 97.53