---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19712 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 8.1G 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 829 5011 4 2392 7111 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:4c:ef:e8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.214/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84173sec preferred_lft 84173sec inet6 fe80::f816:3eff:fe4c:efe8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19712) 05/25/26 _x86_64_ (2 CPU) 02:57:37 LINUX RESTART (2 CPU) 03:00:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:07 11.32 1.39 8.55 1.38 115.46 1547.52 415.57 03:20:23 1.52 0.01 1.46 0.05 0.19 125.71 2.08 03:30:17 1.49 0.00 1.44 0.05 0.00 55.12 1.97 Average: 4.77 0.47 3.81 0.49 38.44 575.14 139.48 03:00:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:07 5204468 7387340 380892 4.68 85604 2258596 715464 7.79 601780 2029764 1748 03:20:23 5168640 7384512 383300 4.71 85832 2291128 715836 7.80 602268 2062540 604 03:30:17 5152312 7379276 388288 4.77 86012 2301864 674968 7.35 602496 2073484 224 Average: 5175140 7383709 384160 4.72 85816 2283863 702089 7.65 602181 2055263 859 03:00:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:07 lo 1.17 1.17 0.07 0.07 0.00 0.00 0.00 0.00 03:10:07 ens3 73.20 55.74 54.53 12.09 0.00 0.00 0.00 0.00 03:20:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:23 ens3 50.41 50.11 23.99 5.07 0.00 0.00 0.00 0.00 03:30:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:17 ens3 27.05 25.52 11.48 3.00 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 50.33 43.92 30.04 6.72 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19712) 05/25/26 _x86_64_ (2 CPU) 02:57:37 LINUX RESTART (2 CPU) 03:00:05 CPU %user %nice %system %iowait %steal %idle 03:10:07 all 9.78 0.00 1.24 0.64 0.16 88.18 03:10:07 0 9.04 0.00 1.11 0.31 0.10 89.44 03:10:07 1 10.52 0.00 1.37 0.97 0.23 86.91 03:20:23 all 7.05 0.00 0.96 0.03 0.16 91.79 03:20:23 0 6.39 0.00 0.86 0.03 0.17 92.54 03:20:23 1 7.72 0.00 1.07 0.02 0.15 91.04 03:30:17 all 5.26 0.00 0.59 0.01 0.06 94.08 03:30:17 0 6.99 0.00 0.63 0.00 0.07 92.31 03:30:17 1 3.54 0.00 0.54 0.02 0.06 95.84 Average: all 7.38 0.00 0.93 0.23 0.13 91.33 Average: 0 7.47 0.00 0.87 0.12 0.11 91.43 Average: 1 7.28 0.00 1.00 0.34 0.15 91.24