mbwaheed commented on a change in pull request #1430:
URL: https://github.com/apache/lucene-solr/pull/1430#discussion_r425524750
##########
File path:
solr/core/src/java/org/apache/solr/update/processor/DistributedZkUpdateProcessor.java
##########
@@ -1465,4 +1318,30 @@ private void zkCheck() {
throw new SolrException(SolrException.ErrorCode.SERVICE_UNAVAILABLE,
"Cannot talk to ZooKeeper - Updates are disabled.");
}
+
+ private boolean isSharedCoreAddOrDeleteGoingToBeIndexedLocally() {
+ // forwardToLeader: if true, then the update is going to be forwarded to
its rightful leader.
+ // The doc being added or deleted might not even belongs
to the current core's (req.getCore()) shard.
+ // isLeader: if true, then the current core (req.getCore()) is the leader
of the shard to which the doc being added or deleted belongs to.
+ // For SHARED replicas only leader replicas do local indexing.
Follower SHARED replicas do not do any local
+ // indexing and there only job is to forward the updates to the
leader replica.
+ // isSubShardLeader: if true, then the current core (req.getCore()) is the
leader of a sub shard being built.
+ // Sub shard leaders only buffer the updates locally and
apply them towards the end of a successful
Review comment:
yes.
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