---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-769 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 752 5411 4 2063 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:4b:b1:7f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.53/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84396sec preferred_lft 84396sec inet6 fe80::f816:3eff:fe4b:b17f/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-769) 03/17/26 _x86_64_ (2 CPU) 13:15:01 LINUX RESTART (2 CPU) 13:20:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:30:07 1.58 0.01 1.56 0.02 0.05 18.56 436.77 13:40:07 14.89 1.78 11.75 1.36 118.40 2122.45 245.07 Average: 8.24 0.89 6.65 0.69 59.23 1070.52 340.92 13:20:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:30:07 6290720 7537544 283104 3.48 30644 1421900 536912 5.85 445768 1183412 160 13:40:07 5562292 7374180 411540 5.06 69936 1917776 671320 7.31 612324 1701988 188 Average: 5926506 7455862 347322 4.27 50290 1669838 604116 6.58 529046 1442700 174 13:20:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 13:30:07 ens3 0.59 0.10 0.12 0.06 0.00 0.00 0.00 0.00 13:40:07 lo 1.20 1.20 0.07 0.07 0.00 0.00 0.00 0.00 13:40:07 ens3 34.17 23.26 257.82 6.75 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 17.38 11.68 128.97 3.41 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-769) 03/17/26 _x86_64_ (2 CPU) 13:15:01 LINUX RESTART (2 CPU) 13:20:07 CPU %user %nice %system %iowait %steal %idle 13:30:07 all 0.28 0.00 0.18 0.01 0.03 99.50 13:30:07 0 0.38 0.00 0.18 0.02 0.03 99.39 13:30:07 1 0.19 0.00 0.17 0.00 0.03 99.61 13:40:07 all 6.86 0.00 1.02 1.72 0.04 90.36 13:40:07 0 6.27 0.00 0.97 0.93 0.04 91.79 13:40:07 1 7.44 0.00 1.08 2.51 0.04 88.93 Average: all 3.57 0.00 0.60 0.86 0.04 94.93 Average: 0 3.32 0.00 0.58 0.47 0.04 95.59 Average: 1 3.81 0.00 0.63 1.25 0.04 94.27