---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10240 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 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 5192 4 2257 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:1b:c6:c5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.205/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84579sec preferred_lft 84579sec inet6 fe80::f816:3eff:fe1b:c6c5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10240) 05/02/26 _x86_64_ (2 CPU) 01:57:54 LINUX RESTART (2 CPU) 02:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:00 11.61 1.28 8.97 1.36 111.08 1544.55 520.20 02:20:00 1.40 0.01 1.38 0.02 0.07 96.16 1.20 Average: 6.50 0.64 5.17 0.69 55.57 820.35 260.70 02:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:00 5298208 7401372 370448 4.56 83936 2183840 695488 7.58 590092 1953616 388 02:20:00 5268100 7395356 376164 4.63 84136 2207688 697916 7.60 592528 1977648 96 Average: 5283154 7398364 373306 4.59 84036 2195764 696702 7.59 591310 1965632 242 02:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:00 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 02:10:00 ens3 84.48 64.90 57.52 13.16 0.00 0.00 0.00 0.00 02:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 55.69 55.00 24.22 5.54 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 70.09 59.95 40.87 9.35 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10240) 05/02/26 _x86_64_ (2 CPU) 01:57:54 LINUX RESTART (2 CPU) 02:00:00 CPU %user %nice %system %iowait %steal %idle 02:10:00 all 9.82 0.00 1.49 5.38 0.06 83.25 02:10:00 0 7.02 0.00 1.02 6.77 0.06 85.14 02:10:00 1 12.63 0.00 1.95 4.00 0.06 81.35 02:20:00 all 6.25 0.00 0.81 0.36 0.06 92.51 02:20:00 0 6.12 0.00 0.72 0.24 0.07 92.86 02:20:00 1 6.38 0.00 0.91 0.47 0.06 92.17 Average: all 8.04 0.00 1.15 2.88 0.06 87.87 Average: 0 6.57 0.00 0.87 3.52 0.06 88.98 Average: 1 9.51 0.00 1.43 2.24 0.06 86.76