devonthink office search for large text txt files(25M, 500,000lines), show search results are delayed, there is a solution?
tips: i had split the file to small files to slove it. but i want to konw the best way how todo that.thinks 
Loading the file & highlighting the occurrences might of course require some time. What kind of file is it actually? Smaller files/snippets are usually recommended to improve the performance, searching, see also, classify etc.