https://issues.apache.org/jira/browse/SOLR-18537 with PR
On 2026-09-24 19:00 UTC David Smiley wrote: > Scenario: You've got a simple proxy / load-balancer in front of your > SolrCloud cluster that could hit any node in the cluster, or maybe it's > just communicating with some. For diagnostic purposes, you want to reach a > specific node to interrogate some of the node specific paths (perhaps > metrics, say). But the place you do this request, perhaps your own > workstation, cannot directly reach the Solr nodes. And the simple proxy > has no mechanism to take such instruction. > > Proposal: A simple Solr servlet filter that proxies when it sees a special > header or URL param naming a live node in the cluster -- not to any node > anywhere. Opt-in; not registered in web.xml by default. > > Is this useful to others? I already have something coded. It's quite > simple because (A) it taps into Solr's existing request proxy functionality > used for core/collection requests, and (B) no change to any part of Solr > thanks to architectural improvements in Solr 10.1. It's up to a user (who > must opt-in, remember) to weigh the security risks of their envornment. > > ~ David Smiley > Apache Lucene/Solr Search Developer > http://www.linkedin.com/in/davidwsmiley >
