On 2/14/2017 2:45 AM, Sahil Agarwal wrote: > Can the patch for jira issue SOLR-5730 be backported to solr 5.5.3?? ie. > Can Lucene's SortingMergePolicy and EarlyTerminatingSortingCollector > configurable in Solr 5.5.3 too?? > > https://issues.apache.org/jira/browse/SOLR-5730 > > The SortingMergePolicy and EarlyTerminatingSortCollector are both available > in the lucene misc package.
That issue *adds* those capabilities to Solr. It doesn't just expose configuration for capability that's already present. Before 6.0, Solr did not have "SortingMergePolicyFactory" at all. *Lucene* had the capability, but Solr didn't. Because it's no longer the active major release, 5.x is in maintenance mode. To ensure stability, new features are never added to code branches in maintenance mode. The only thing that project policy allows is fixes for bugs where the bug is severe or the change is so small that it can't break anything. The patch for SOLR-5730 doesn't meet either of these requirements. The patch has not been applied to the 5.5 branch, and will not apply cleanly to that branch. The patch *has* been applied to branch_5x, which is what *would* produce 5.6, but at this point a 5.6 release is unlikely. You can always download the branch_5x source code and build a snapshot version of 5.6. Thanks, Shawn
