On 6/11/2018 5:34 AM, Vivek Singh wrote:
I am new to solr ,wanted to know which indexer is used in apache solr by default . I am not getting good results.
It's built in. There is no "which" ... that would imply that there's more than one choice, and as far as I am aware, once you get right down to it, all indexing goes through the same code path.
What exactly does "not getting good results" mean? If you mean that indexing is too slow, then what you'll need to do to make it faster is change your indexing program so that it sends multiple indexing requests in parallel.
Sometimes the reason indexing is slow has nothing to do with Solr at all. It often ends up being on the indexing program side, a situation where the indexing program is unable to retrieve data from the source system faster than Solr can index it.
If you're using the dataimport handler, that is inherently a single-threaded process. There is no way to make it multi-threaded, other than setting up multiple dataimport handlers in your configuration, configuring each one to handle a portion of the import, and running them all at the same time. The dataimport handler is often a stop-gap solution that can get you operational, something that gets replaced with a custom indexing program.
Thanks, Shawn
