---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12402 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 766 5284 4 2179 7175 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:3c:cf:0a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.233/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84923sec preferred_lft 84923sec inet6 fe80::f816:3eff:fe3c:cf0a/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-12402) 05/10/26 _x86_64_ (2 CPU) 00:16:41 LINUX RESTART (2 CPU) 00:20:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:01 14.30 1.85 11.45 1.00 123.61 2144.15 437.29 00:40:21 12.22 1.41 8.90 1.91 112.14 1261.92 2453.35 Average: 13.23 1.62 10.13 1.47 117.69 1688.46 1478.63 00:20:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:01 5566896 7387712 397984 4.89 68328 1928440 639776 6.97 589928 1710832 188 00:40:21 5476672 7405716 375452 4.62 86164 2015460 598932 6.52 595124 1786224 24896 Average: 5521784 7396714 386718 4.76 77246 1971950 619354 6.75 592526 1748528 12542 00:20:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 00:30:01 ens3 42.93 23.82 272.39 6.27 0.00 0.00 0.00 0.00 00:40:21 lo 1.19 1.19 0.07 0.07 0.00 0.00 0.00 0.00 00:40:21 ens3 89.68 77.99 129.89 28.88 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 67.08 51.80 198.79 17.95 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12402) 05/10/26 _x86_64_ (2 CPU) 00:16:41 LINUX RESTART (2 CPU) 00:20:20 CPU %user %nice %system %iowait %steal %idle 00:30:01 all 5.73 0.00 1.00 0.41 0.03 92.84 00:30:01 0 3.44 0.00 0.76 0.16 0.03 95.62 00:30:01 1 8.02 0.00 1.23 0.66 0.03 90.06 00:40:21 all 13.24 0.00 1.21 0.26 0.05 85.24 00:40:21 0 16.18 0.00 1.33 0.22 0.05 82.22 00:40:21 1 10.30 0.00 1.09 0.30 0.05 88.26 Average: all 9.60 0.00 1.11 0.33 0.04 88.92 Average: 0 10.01 0.00 1.05 0.19 0.04 88.70 Average: 1 9.20 0.00 1.16 0.47 0.04 89.13