---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2904 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 831 5113 4 2285 7110 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:75:05:20 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.204/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84452sec preferred_lft 84452sec inet6 fe80::f816:3eff:fe75:520/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2904) 04/15/26 _x86_64_ (2 CPU) 02:57:27 LINUX RESTART (2 CPU) 03:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:09 9.46 1.24 7.23 1.00 105.79 1140.05 469.27 03:20:01 1.36 0.01 1.31 0.05 0.07 124.36 2.38 Average: 5.44 0.63 4.29 0.53 53.28 635.58 237.37 03:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:09 5280900 7387648 384372 4.73 84092 2187364 717396 7.81 611632 1956940 1588 03:20:01 5249296 7387616 383880 4.72 84292 2218452 716908 7.81 612056 1988252 368 Average: 5265098 7387632 384126 4.72 84192 2202908 717152 7.81 611844 1972596 978 03:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:09 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 03:10:09 ens3 76.04 57.28 57.26 12.23 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 57.81 53.97 27.66 5.49 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 66.99 55.64 42.56 8.88 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2904) 04/15/26 _x86_64_ (2 CPU) 02:57:27 LINUX RESTART (2 CPU) 03:00:09 CPU %user %nice %system %iowait %steal %idle 03:10:09 all 8.73 0.00 1.14 0.19 0.08 89.87 03:10:09 0 7.30 0.00 1.07 0.24 0.07 91.32 03:10:09 1 10.16 0.00 1.20 0.13 0.08 88.43 03:20:01 all 6.52 0.00 0.90 0.01 0.10 92.48 03:20:01 0 7.17 0.00 0.99 0.01 0.10 91.73 03:20:01 1 5.86 0.00 0.80 0.00 0.10 93.23 Average: all 7.64 0.00 1.02 0.10 0.09 91.16 Average: 0 7.24 0.00 1.03 0.13 0.08 91.52 Average: 1 8.03 0.00 1.00 0.07 0.09 90.80