beettlle commented on a change in pull request #1297: SOLR-14253 Replace
various sleep calls with ZK waits
URL: https://github.com/apache/lucene-solr/pull/1297#discussion_r389132693
##########
File path: solr/core/src/java/org/apache/solr/cloud/ZkController.java
##########
@@ -1684,58 +1685,39 @@ private void
doGetShardIdAndNodeNameProcess(CoreDescriptor cd) {
}
private void waitForCoreNodeName(CoreDescriptor descriptor) {
- int retryCount = 320;
- log.debug("look for our core node name");
- while (retryCount-- > 0) {
- final DocCollection docCollection = zkStateReader.getClusterState()
-
.getCollectionOrNull(descriptor.getCloudDescriptor().getCollectionName());
- if (docCollection != null && docCollection.getSlicesMap() != null) {
- final Map<String, Slice> slicesMap = docCollection.getSlicesMap();
- for (Slice slice : slicesMap.values()) {
- for (Replica replica : slice.getReplicas()) {
- // TODO: for really large clusters, we could 'index' on this
-
- String nodeName = replica.getStr(ZkStateReader.NODE_NAME_PROP);
- String core = replica.getStr(ZkStateReader.CORE_NAME_PROP);
-
- String msgNodeName = getNodeName();
- String msgCore = descriptor.getName();
-
- if (msgNodeName.equals(nodeName) && core.equals(msgCore)) {
- descriptor.getCloudDescriptor()
- .setCoreNodeName(replica.getName());
- getCoreContainer().getCoresLocator().persist(getCoreContainer(),
descriptor);
- return;
- }
- }
+ log.debug("waitForCoreNodeName >>> look for our core node name");
+ try {
+ zkStateReader.waitForState(descriptor.getCollectionName(), 320,
TimeUnit.SECONDS, c -> {
Review comment:
If this change is being made, should the number of retries be configurable?
This hardcoded value seems to be used a lot in the code.
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