[jira] [Created] (SOLR-7121) Solr nodes should go down based on configurable thresholds and not rely on resource exhaustion

["Sachin Goyal (JIRA)" <ji...@apache.org>]

Sachin Goyal created SOLR-7121:
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             Summary: Solr nodes should go down based on configurable thresholds and not rely on resource exhaustion
                 Key: SOLR-7121
                 URL: https://issues.apache.org/jira/browse/SOLR-7121
             Project: Solr
          Issue Type: New Feature
            Reporter: Sachin Goyal


Currently, there is no way to control when a Solr node goes down.
If the server is having high GC pauses or too many threads or is just getting too many queries due to some bad load-balancer, the cores in the machine keep on serving unless they exhaust the machine's resources and everything comes to a stall.

Such a slow-dying core can affect other cores as well by taking huge time to serve their distributed queries.

There should be a way to specify some threshold values beyond which the targeted core can its ill-health and proactively go down to recover.
When the load improves, the core should come up automatically.



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