---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-52989 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 5306 4 2152 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:9f:d9:e5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.243/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84954sec preferred_lft 84954sec inet6 fe80::f816:3eff:fe9f:d9e5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-52989) 03/26/26 _x86_64_ (2 CPU) 01:46:11 LINUX RESTART (2 CPU) 01:50:22 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:29 8.30 1.21 6.43 0.66 104.00 1038.42 1296.41 02:10:01 6.09 0.09 4.43 1.57 6.48 265.42 2265.83 Average: 7.23 0.67 5.46 1.10 56.70 663.48 1766.62 01:50:22 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:29 5269340 7351256 421288 5.18 84104 2162428 668920 7.29 609432 1931596 244 02:10:01 5504648 7412964 368324 4.53 87096 1993812 611800 6.66 571440 1764356 25716 Average: 5386994 7382110 394806 4.85 85600 2078120 640360 6.97 590436 1847976 12980 01:50:22 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:29 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 02:00:29 ens3 28.65 20.87 29.64 4.24 0.00 0.00 0.00 0.00 02:10:01 lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 02:10:01 ens3 18.74 16.26 110.53 5.65 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 23.85 18.63 68.87 4.92 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-52989) 03/26/26 _x86_64_ (2 CPU) 01:46:11 LINUX RESTART (2 CPU) 01:50:22 CPU %user %nice %system %iowait %steal %idle 02:00:29 all 3.03 0.00 0.70 1.09 0.06 95.13 02:00:29 0 3.38 0.00 0.75 1.38 0.07 94.42 02:00:29 1 2.69 0.00 0.64 0.79 0.05 95.83 02:10:01 all 4.68 0.00 0.63 0.10 0.06 94.53 02:10:01 0 3.83 0.00 0.54 0.07 0.05 95.51 02:10:01 1 5.53 0.00 0.71 0.13 0.08 93.55 Average: all 3.83 0.00 0.66 0.61 0.06 94.84 Average: 0 3.60 0.00 0.65 0.75 0.06 94.95 Average: 1 4.07 0.00 0.67 0.47 0.06 94.72