Wandering off topic, but still apropos Solr.
On Sun, Jun 28, 2020 at 12:14:56PM +0200, Ilan Ginzburg wrote:
> I disagree Ishan. We shouldn't get rid of standalone mode.
> I see three layers in Solr:
>
> 1. Lucene (the actual search libraries)
> 2. The server infra ("standalone Solr" basically)
> 3. Cluster management (SolrCloud)
>
> There's value in using lower layers without higher ones.
> SolrCloud is a good solution for some use cases but there are others that
> need a search server and for which SolrCloud is not a good fit and will
> likely never be. If standalone mode is no longer available, such use cases
> will have to turn to something other than Solr (or fork and go their own
> way).A data point: While working to upgrade a dependent product from Solr 4 to Solr 7, I came across a number of APIs which would have made things simpler, neater and more reliable...except that they all are available *only* is SolrCloud. I eventually decided that asking thousands of sites to run "degenerate" SolrCloud clusters (of a single instance, plus the ZK stuff that most would find mysterious) was just not worth the gain. So, my wish-list for Solr includes either (a) abolish standalone so the decision is taken out of my hands, or (b) port some of the cloud-only APIs back to the standalone layer. I haven't spent a moment's thought on how difficult either would be -- as I said, just a wish. -- Mark H. Wood Lead Technology Analyst University Library Indiana University - Purdue University Indianapolis 755 W. Michigan Street Indianapolis, IN 46202 317-274-0749 www.ulib.iupui.edu
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