epugh commented on code in PR #3904:
URL: https://github.com/apache/solr/pull/3904#discussion_r2658951992
##########
solr/core/src/java/org/apache/solr/core/CoreContainer.java:
##########
@@ -1511,6 +1511,16 @@ public SolrCore create(
preExistingZkEntry =
getZkController().checkIfCoreNodeNameAlreadyExists(cd);
}
+ final boolean deleteUnknownCores =
+ Boolean.parseBoolean(
+ System.getProperty("solr.cloud.delete.unknown.cores.enabled",
"false"));
+ if (deleteUnknownCores && Files.exists(cd.getInstanceDir())) {
+ log.warn(
+ "There appears to be an existing directory for core {}, now
deleting it",
+ cd.getName());
+ SolrCore.deleteUnloadedCore(cd, true, true);
Review Comment:
Ugh, I think I'm not going to do this one, as I don't know how far down the
rabbit hole to go...
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