---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-15926 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 8.0G 30G 22% / 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 805 5085 4 2340 7136 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:59:bc:85 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.160/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84401sec preferred_lft 84401sec inet6 fe80::f816:3eff:fe59:bc85/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15926) 05/17/26 _x86_64_ (2 CPU) 00:17:06 LINUX RESTART (2 CPU) 00:20:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:05 1.61 0.02 1.57 0.02 1.24 19.24 872.04 00:40:05 22.57 3.03 17.32 2.22 228.13 3166.32 650.45 00:50:05 5.66 0.09 4.22 1.35 6.68 847.91 2398.17 Average: 9.95 1.05 7.70 1.19 78.68 1344.48 1306.89 00:20:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:05 6278276 7528976 291332 3.58 30624 1425892 522672 5.69 445216 1187288 176 00:40:05 5290692 7384284 387404 4.76 84232 2173708 646636 7.04 607816 1943156 408 00:50:05 5265436 7362040 415504 5.11 86992 2181360 642080 6.99 629872 1951900 13964 Average: 5611468 7425100 364747 4.49 67283 1926987 603796 6.58 560968 1694115 4849 00:20:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:05 ens3 1.06 0.08 0.14 0.05 0.00 0.00 0.00 0.00 00:40:05 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:05 ens3 62.87 39.88 302.93 11.13 0.00 0.00 0.00 0.00 00:50:05 lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 00:50:05 ens3 37.37 32.74 123.27 17.62 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 33.76 24.23 142.11 9.60 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15926) 05/17/26 _x86_64_ (2 CPU) 00:17:06 LINUX RESTART (2 CPU) 00:20:05 CPU %user %nice %system %iowait %steal %idle 00:30:05 all 0.29 0.00 0.19 0.01 0.04 99.47 00:30:05 0 0.32 0.00 0.18 0.02 0.03 99.46 00:30:05 1 0.27 0.00 0.19 0.00 0.04 99.49 00:40:05 all 10.53 0.00 1.61 0.47 0.06 87.33 00:40:05 0 13.67 0.00 1.91 0.41 0.06 83.95 00:40:05 1 7.39 0.00 1.31 0.53 0.06 90.71 00:50:05 all 10.49 0.00 0.68 0.09 0.08 88.65 00:50:05 0 8.58 0.00 0.64 0.05 0.08 90.64 00:50:05 1 12.40 0.00 0.73 0.13 0.08 86.66 Average: all 7.11 0.00 0.83 0.19 0.06 91.82 Average: 0 7.52 0.00 0.91 0.16 0.06 91.35 Average: 1 6.69 0.00 0.74 0.22 0.06 92.29