Not opening the index for every keypress should make a big difference! Most of the tips in http://wiki.apache.org/lucene-java/ImproveSearchingSpeed will apply.
-- Ian. On Fri, Jun 10, 2011 at 1:52 PM, Elmer <evanchaste...@gmail.com> wrote: > Hello again :) > > I've created a autocompleter class, based on the contrib SpellChecker > source code (it creates start1-20 grams, no middle/end grams). The use > case for this class, as with most autocompleters, is that it is called > on each keypress from the user. > What happens is, that on each keypress, a static method > 'autocompleteOnField' is called, which creates a new instance of > AutoCompleter: > autoCompleter = new AutoCompleter(FSDirectory.open(new > File(pathToIndex))); > > It has a finalize block where it calls the close method of the > AutoCompleter (works the same as SpellChecker). In practice, this means > that every time a key is hit in the search field, my HDD led blinks. > Since I'd like to have an efficient program and reduce stress on the > hard drives as much as possible, I'd like to know if there are some > tricks to reduce this usage. > I already tried using a RAMDirectory instead of FSDirectory, but this > eats up too much memory (out-of-mem exception). > > I'm currently changing the code to have a single instance of the > AutoCompleter that is reused every time 'autocompleteOnField' is called > -> FSDirectory.open(new File(pathToIndex)) and autocompleter.close() > will only be invoked once (until the index is rebuilt/updated), which > will probably reduce the IO reads/writes. > > Are there more ways to improve disk efficiency? > > BR, > Elmer > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > For additional commands, e-mail: java-user-h...@lucene.apache.org > > --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
