c-treeACE V10.0 Update Guide

I/O Performance Improvements

This section lists improvements in I/O that have resulted in performance enhancements.

In This Section Permit Physical ISAM Files to Remain Open Support Unbuffered I/O on Windows Systems Enable Unbuffered I/O for Transaction Logs Efficient Key Count Updates for Transaction Controlled Files Skip Unnecessary Read of VARLEN Record Headers Extended Header Write Optimization Reader/Writer Lock Support for Windows and for Memory Files Reader/Writer Lock Support for Unix Systems File Name Hash List