---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12414 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 780 5265 4 2184 7161 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:88:86:5a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.137/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84411sec preferred_lft 84411sec inet6 fe80::f816:3eff:fe88:865a/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-12414) 05/10/26 _x86_64_ (2 CPU) 00:16:51 LINUX RESTART (2 CPU) 00:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:09 16.14 2.08 12.49 1.56 156.37 2264.70 2134.79 00:40:42 8.10 1.29 6.18 0.63 102.66 916.60 278.69 Average: 12.03 1.68 9.27 1.09 128.96 1576.70 1187.54 00:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:09 5411180 7351480 426464 5.24 74600 2035344 658628 7.17 600604 1812728 80160 00:40:42 5256272 7374536 396504 4.88 84888 2197508 662696 7.22 611688 1957732 584 Average: 5333726 7363008 411484 5.06 79744 2116426 660662 7.20 606146 1885230 40372 00:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:09 lo 1.26 1.26 0.07 0.07 0.00 0.00 0.00 0.00 00:30:09 ens3 38.85 23.70 270.15 6.48 0.00 0.00 0.00 0.00 00:40:42 lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 00:40:42 ens3 33.66 25.21 54.22 5.64 0.00 0.00 0.00 0.00 Average: lo 1.16 1.16 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 36.20 24.47 159.95 6.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12414) 05/10/26 _x86_64_ (2 CPU) 00:16:51 LINUX RESTART (2 CPU) 00:20:01 CPU %user %nice %system %iowait %steal %idle 00:30:09 all 7.84 0.00 1.25 0.42 0.05 90.44 00:30:09 0 7.81 0.00 1.30 0.42 0.05 90.41 00:30:09 1 7.86 0.00 1.20 0.41 0.05 90.47 00:40:42 all 3.43 0.00 0.64 0.13 0.07 95.73 00:40:42 0 3.38 0.00 0.62 0.06 0.10 95.84 00:40:42 1 3.48 0.00 0.66 0.19 0.05 95.62 Average: all 5.59 0.00 0.94 0.27 0.06 93.14 Average: 0 5.55 0.00 0.96 0.24 0.07 93.18 Average: 1 5.62 0.00 0.92 0.30 0.05 93.10