---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2157 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 771 5310 4 2147 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:70:d0:ae brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.238/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84819sec preferred_lft 84819sec inet6 fe80::f816:3eff:fe70:d0ae/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-2157) 04/12/26 _x86_64_ (2 CPU) 00:14:33 LINUX RESTART (2 CPU) 00:20:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:14 1.52 0.01 1.49 0.03 0.05 18.81 436.88 00:40:01 23.82 3.13 17.79 2.90 235.12 3253.21 2792.58 Average: 12.55 1.55 9.55 1.44 116.30 1618.28 1601.82 00:20:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:14 6290048 7541024 279648 3.44 30712 1425908 533520 5.81 442544 1187312 128 00:40:01 5486984 7384160 397312 4.89 85304 1984428 657032 7.16 623484 1754496 28900 Average: 5888516 7462592 338480 4.16 58008 1705168 595276 6.48 533014 1470904 14514 00:20:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:14 ens3 0.92 0.08 0.15 0.06 0.00 0.00 0.00 0.00 00:40:01 lo 1.34 1.34 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 71.81 42.84 313.74 13.13 0.00 0.00 0.00 0.00 Average: lo 1.17 1.17 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 35.98 21.23 155.23 6.52 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2157) 04/12/26 _x86_64_ (2 CPU) 00:14:33 LINUX RESTART (2 CPU) 00:20:14 CPU %user %nice %system %iowait %steal %idle 00:30:14 all 0.30 0.00 0.18 0.01 0.03 99.48 00:30:14 0 0.29 0.00 0.19 0.01 0.02 99.50 00:30:14 1 0.32 0.00 0.17 0.02 0.03 99.46 00:40:01 all 12.33 0.00 1.82 0.48 0.05 85.31 00:40:01 0 16.42 0.00 2.15 0.57 0.06 80.80 00:40:01 1 8.25 0.00 1.48 0.39 0.05 89.82 Average: all 6.25 0.00 0.99 0.24 0.04 92.48 Average: 0 8.26 0.00 1.15 0.28 0.04 90.26 Average: 1 4.24 0.00 0.82 0.20 0.04 94.70