noblepaul commented on a change in pull request #1669:
URL: https://github.com/apache/lucene-solr/pull/1669#discussion_r455476821
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File path: solr/core/src/java/org/apache/solr/core/SolrCore.java
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@@ -191,6 +191,11 @@
private String name;
private String logid; // used to show what name is set
+ /**
+ * A unique id to differentiate multiple instances of the same core
+ * If we reload a core, the name remains same , but the id will be new
+ */
+ public final UUID uniqueId = UUID.randomUUID();
Review comment:
UUID is cheap and there is no advantage in using something else. Cores
are not created so frequently that we should care too much about it
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