---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1396 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: 5600.00 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 841 5077 4 2312 7100 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:af:e4:8e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.15/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84237sec preferred_lft 84237sec inet6 fe80::f816:3eff:feaf:e48e/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-1396) 04/09/26 _x86_64_ (2 CPU) 02:57:35 LINUX RESTART (2 CPU) 03:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:09 9.71 1.29 7.42 1.00 112.07 1143.51 425.65 03:20:01 1.33 0.01 1.31 0.01 0.07 122.48 0.34 03:30:09 1.68 0.01 1.65 0.02 0.59 48.34 0.50 Average: 4.24 0.44 3.46 0.34 37.58 437.79 142.16 03:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:09 5291320 7395448 377216 4.64 84000 2184744 718604 7.83 607360 1953308 3428 03:20:01 5255040 7389024 383156 4.71 84156 2214168 718812 7.83 608464 1982916 912 03:30:09 5225692 7368748 402972 4.96 84300 2222968 752372 8.19 609348 1991740 500 Average: 5257351 7384407 387781 4.77 84152 2207293 729929 7.95 608391 1975988 1613 03:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:09 lo 1.13 1.13 0.08 0.08 0.00 0.00 0.00 0.00 03:10:09 ens3 72.12 52.80 57.54 11.86 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 63.48 61.74 28.53 6.03 0.00 0.00 0.00 0.00 03:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:09 ens3 29.56 25.92 9.19 3.13 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 54.91 46.67 31.67 6.99 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1396) 04/09/26 _x86_64_ (2 CPU) 02:57:35 LINUX RESTART (2 CPU) 03:00:09 CPU %user %nice %system %iowait %steal %idle 03:10:09 all 9.24 0.00 1.14 0.21 0.05 89.36 03:10:09 0 10.19 0.00 1.32 0.27 0.05 88.18 03:10:09 1 8.30 0.00 0.95 0.15 0.05 90.55 03:20:01 all 6.71 0.00 0.88 0.02 0.06 92.33 03:20:01 0 6.17 0.00 0.96 0.03 0.06 92.77 03:20:01 1 7.25 0.00 0.80 0.02 0.06 91.88 03:30:09 all 5.01 0.00 0.63 0.01 0.05 94.29 03:30:09 0 3.62 0.00 0.55 0.02 0.05 95.76 03:30:09 1 6.41 0.00 0.71 0.01 0.06 92.82 Average: all 6.98 0.00 0.88 0.08 0.05 92.00 Average: 0 6.65 0.00 0.94 0.11 0.05 92.25 Average: 1 7.31 0.00 0.82 0.06 0.06 91.75