Category: Troubleshooting

Oracle I/O troubleshooting requires both database and operating-system evidence. A high request count can identify a busy workload, while high service time can identify latency; neither alone proves that storage is the root cause. I/O by file type SELECT filetype_name, SUM(small_read_reqs + large_read_reqs) AS read_requests, ROUND(SUM(small_read_megabytes + large_read_megabytes), 1) AS read_mb, SUM(small_write_reqs + large_write_reqs) AS…