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Dec 8, 2015 · Databases

Can PCIe Flash Cut Oracle Redo Log Sync Waits? 4K Log Test Results

This article examines Oracle's guidance on placing redo logs on SSDs, explains sector size and 4K redo log support, describes a controlled experiment comparing PCIe flash cards with SAS disks using TPCC workloads, and presents performance data showing reduced log‑file‑sync waits and higher throughput on flash storage.