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SOLR-4553: Bug in finding remote node when proxying update request in a cluster with more than one collection. 

Also, attempt to proxy requests more aggressively.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1545065 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Mark Robert Miller 2013-11-24 20:19:43 +00:00
parent fc7a21deea
commit c95f5900ac
1 changed files with 37 additions and 7 deletions
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44
solr/core/src/java/org/apache/solr/servlet/SolrDispatchFilter.java
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@ -574,13 +574,14 @@ public class SolrDispatchFilter implements Filter
ClusterState clusterState = cores.getZkController().getClusterState();
Collection<Slice> slices = clusterState.getActiveSlices(collectionName);
boolean byCoreName = false;
if (slices == null) {
slices = new ArrayList<Slice>();
// look by core name
byCoreName = true;
Set<String> collections = clusterState.getCollections();
for (String collection : collections) {
slices = new ArrayList<Slice>();
slices.addAll(clusterState.getSlices(collection));
slices = getSlicesForCollections(clusterState, slices, true);
if (slices == null || slices.size() == 0) {
slices = getSlicesForCollections(clusterState, slices, false);
}
}
@ -588,6 +589,21 @@ public class SolrDispatchFilter implements Filter
return null;
}
String coreUrl = getCoreUrl(cores, collectionName, origCorename, clusterState,
slices, byCoreName, true);
if (coreUrl == null) {
coreUrl = getCoreUrl(cores, collectionName, origCorename, clusterState,
slices, byCoreName, false);
}
return coreUrl;
}
private String getCoreUrl(CoreContainer cores, String collectionName,
String origCorename, ClusterState clusterState, Collection<Slice> slices,
boolean byCoreName, boolean activeReplicas) {
String coreUrl;
Set<String> liveNodes = clusterState.getLiveNodes();
Iterator<Slice> it = slices.iterator();
while (it.hasNext()) {
@ -595,8 +611,9 @@ public class SolrDispatchFilter implements Filter
Map<String,Replica> sliceShards = slice.getReplicasMap();
for (ZkNodeProps nodeProps : sliceShards.values()) {
ZkCoreNodeProps coreNodeProps = new ZkCoreNodeProps(nodeProps);
if (liveNodes.contains(coreNodeProps.getNodeName())
&& coreNodeProps.getState().equals(ZkStateReader.ACTIVE)) {
if (!activeReplicas || (liveNodes.contains(coreNodeProps.getNodeName())
&& coreNodeProps.getState().equals(ZkStateReader.ACTIVE))) {
if (byCoreName && !collectionName.equals(coreNodeProps.getCoreName())) {
// if it's by core name, make sure they match
continue;
@ -605,7 +622,7 @@ public class SolrDispatchFilter implements Filter
// don't count a local core
continue;
}
String coreUrl;
if (origCorename != null) {
coreUrl = coreNodeProps.getBaseUrl() + "/" + origCorename;
} else {
@ -621,6 +638,19 @@ public class SolrDispatchFilter implements Filter
}
return null;
}
private Collection<Slice> getSlicesForCollections(ClusterState clusterState,
Collection<Slice> slices, boolean activeSlices) {
Set<String> collections = clusterState.getCollections();
for (String collection : collections) {
if (activeSlices) {
slices.addAll(clusterState.getActiveSlices(collection));
} else {
slices.addAll(clusterState.getSlices(collection));
}
}
return slices;
}
private SolrCore getCoreByCollection(CoreContainer cores, String corename, String path) {
String collection = corename;