---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10448 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 7.9G 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 734 5315 4 2180 7207 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:aa:9e:75 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.180/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84893sec preferred_lft 84893sec inet6 fe80::f816:3eff:feaa:9e75/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10448) 05/02/26 _x86_64_ (2 CPU) 23:08:01 LINUX RESTART (2 CPU) 23:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:20:08 1.93 0.28 1.63 0.02 33.09 74.58 0.94 23:30:08 19.81 3.00 14.81 2.00 225.66 2515.15 551.25 Average: 10.84 1.64 8.20 1.01 129.10 1291.43 275.32 23:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:20:08 6246760 7523764 296044 3.64 30792 1451492 528496 5.76 451440 1204264 244 23:30:08 5295204 7410520 361036 4.44 83696 2195876 618228 6.73 598704 1956188 164408 Average: 5770982 7467142 328540 4.04 57244 1823684 573362 6.25 525072 1580226 82326 23:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:20:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 23:20:08 ens3 0.57 0.25 3.11 0.03 0.00 0.00 0.00 0.00 23:30:08 lo 1.25 1.25 0.07 0.07 0.00 0.00 0.00 0.00 23:30:08 ens3 38.86 25.10 297.47 6.88 0.00 0.00 0.00 0.00 Average: lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 19.66 12.64 149.88 3.45 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10448) 05/02/26 _x86_64_ (2 CPU) 23:08:01 LINUX RESTART (2 CPU) 23:10:04 CPU %user %nice %system %iowait %steal %idle 23:20:08 all 0.39 0.00 0.11 0.02 0.03 99.45 23:20:08 0 0.32 0.00 0.12 0.03 0.03 99.50 23:20:08 1 0.45 0.00 0.09 0.01 0.03 99.41 23:30:08 all 9.34 0.00 1.49 0.47 0.04 88.66 23:30:08 0 9.45 0.00 1.45 0.25 0.04 88.82 23:30:08 1 9.24 0.00 1.53 0.68 0.05 88.50 Average: all 4.85 0.00 0.80 0.24 0.04 94.07 Average: 0 4.87 0.00 0.78 0.14 0.04 94.17 Average: 1 4.83 0.00 0.81 0.35 0.04 93.98