dsmiley commented on code in PR #2571:
URL: https://github.com/apache/solr/pull/2571#discussion_r1690370559
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solr/solrj/src/java/org/apache/solr/client/solrj/impl/CloudSolrClient.java:
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@@ -1228,9 +1199,15 @@ protected DocCollection getDocCollection(String
collection, Integer expectedVers
if (col != null) {
if (expectedVersion <= col.getZNodeVersion() &&
!cacheEntry.shouldRetry()) return col;
}
+ // Moving the lookup inside the lock makes the lazy/non-lazy check
irrelevant
+ ClusterState.CollectionRef ref = getCollectionRef(collection);
+ if (ref == null) {
+ // no such collection exists
+ return null;
+ }
// We are going to fetch a new version
// we MUST try to get a new version
- DocCollection fetchedCol = ref.get(); // this is a call to ZK
+ DocCollection fetchedCol = ref.get(); // this is a call to ZK if CSP
instance is a Zk CSP
Review Comment:
The ZK-ness isn't the point; the point is that a remote call is going to be
made (expensive)
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