Tim, its 21th century and we are using GitHub. If you want to contribute, please do it via PR. Thanks. -jt
2018-04-25 13:31 GMT+02:00 Tim Boudreau <niftin...@gmail.com>: > To follow up on this a bit, since I spent a bit of time attempting to > optimize this - the two big performance wins are: > > 1. Cache a byte[] and reuse it for every JAR entry (pass in a lambda to > read() rather than get out a Map<String,byte[]>) > 2. Maven's DefaultScanner will pass the indexer *every single file* in the > repository it's indexing, while NetBeans is likely uninterested in .sha1 > files and similar; filtering the list of files to things NetBeans is > likely to be interested offers large benefits > > These two optimizations cut scanning time of my ~/.m2/repository dir (~2700 > JAR files) from 42304ms to 30100ms, which is a 29% performance improvement > with > > That said, I have some tests to get passing before this is patch-worthy, so > we'll see if those results hold up. > > Of course, this only helps local indexing - whatever "Unpacking indexes" is > doing with remote repositories won't be helped by this. > > Still, it seems like something that could be optimized quite a bit before > giving up on it. If anyone's interested in poking at this: > https://timboudreau.com/files/maven-indexer.diff > > -Tim >
