Nick Ginther created SOLR-16571:
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Summary: Add Java system property for ZooKeeper config watch
Key: SOLR-16571
URL: https://issues.apache.org/jira/browse/SOLR-16571
Project: Solr
Issue Type: Improvement
Security Level: Public (Default Security Level. Issues are Public)
Reporter: Nick Ginther
Solr creates a ZooKeeper watch per-core. On nodes with a lot of cores, this
results in a lot of ZK watches, and thus increased resource consumption. ZK
config watches aren't strictly necessary, so we should be able to disable them
if we want to. To remedy this, we should add a Java system property to disable
the ZK config watch per core. The default behavior should still be to create a
ZK config watch per core.
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