---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-4767 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: 5599.94 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 7.9G 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 782 5111 4 2345 7158 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:48:d3:d6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.175/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 52303sec preferred_lft 52303sec inet6 fe80::f816:3eff:fe48:d3d6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4767) 04/21/26 _x86_64_ (2 CPU) 00:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:22 1.71 0.01 1.68 0.01 0.80 20.08 0.21 00:20:01 1.94 0.11 1.79 0.03 3.16 24.48 147.00 00:30:09 24.24 3.11 18.92 2.22 226.69 3044.43 1227.19 Average: 9.39 1.09 7.53 0.76 77.79 1042.10 461.48 00:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:22 6121072 7519112 289696 3.56 54476 1539732 543800 5.92 472736 1309040 276 00:20:01 6131484 7491464 317216 3.90 54616 1501440 542132 5.90 471448 1270676 128 00:30:09 5264480 7452876 308232 3.79 104072 2239732 578004 6.30 555528 2012980 2280 Average: 5839012 7487817 305048 3.75 71055 1760301 554645 6.04 499904 1530899 895 00:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:22 ens3 0.22 0.06 0.07 0.03 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.17 0.06 0.04 0.02 0.00 0.00 0.00 0.00 00:30:09 lo 1.30 1.30 0.12 0.12 0.00 0.00 0.00 0.00 00:30:09 ens3 56.52 37.98 294.31 11.08 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 19.20 12.85 99.36 3.76 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4767) 04/21/26 _x86_64_ (2 CPU) 00:00:09 CPU %user %nice %system %iowait %steal %idle 00:10:22 all 0.23 0.00 0.10 0.01 0.02 99.63 00:10:22 0 0.35 0.00 0.08 0.01 0.02 99.53 00:10:22 1 0.11 0.00 0.13 0.01 0.03 99.73 00:20:01 all 0.68 0.00 0.21 0.01 0.02 99.07 00:20:01 0 0.62 0.00 0.23 0.01 0.02 99.12 00:20:01 1 0.75 0.00 0.19 0.02 0.02 99.02 00:30:09 all 10.67 0.00 1.69 0.47 0.04 87.13 00:30:09 0 13.18 0.00 1.81 0.46 0.04 84.52 00:30:09 1 8.17 0.00 1.58 0.48 0.04 89.74 Average: all 3.90 0.00 0.67 0.17 0.03 95.23 Average: 0 4.77 0.00 0.71 0.16 0.03 94.33 Average: 1 3.03 0.00 0.64 0.17 0.03 96.13