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SOLR-3080: key coreStates by core name, create coreStates up front for consistent sync 

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1293516 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Yonik Seeley 2012-02-25 02:00:32 +00:00
parent 3abf6717ab
commit 20dd250457
1 changed files with 9 additions and 9 deletions
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18
solr/core/src/java/org/apache/solr/cloud/ZkController.java
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@ -87,7 +87,7 @@ public final class ZkController {
public final static String COLLECTION_PARAM_PREFIX="collection.";
public final static String CONFIGNAME_PROP="configName";
private Map<String, CoreState> coreStates = null;
private Map<String, CoreState> coreStates = new HashMap<String, CoreState>(); // key is the local core name
private long coreStatesVersion; // bumped by 1 each time we serialize coreStates... sync on coreStates
private long coreStatesPublishedVersion; // last version published to ZK... sync on coreStatesPublishLock
private Object coreStatesPublishLock = new Object(); // only publish one at a time
@ -382,14 +382,14 @@ public final class ZkController {
final byte[] data = zkClient.getData(path, null, null, true);
coreStates = new HashMap<String,CoreState>();
if (data != null) {
CoreState[] states = CoreState.load(data);
List<CoreState> stateList = Arrays.asList(states);
for(CoreState coreState: stateList) {
CoreState[] states = CoreState.load(data);
synchronized (coreStates) {
coreStates.clear(); // TODO: should we do this?
for(CoreState coreState: states) {
coreStates.put(coreState.getCoreName(), coreState);
}
}
}
log.debug("after sync: " + coreStates);
}
@ -758,11 +758,11 @@ public final class ZkController {
*/
public void unregister(String coreName, CloudDescriptor cloudDesc)
throws InterruptedException, KeeperException {
final String zkNodeName = getNodeName() + "_" + coreName;
synchronized (coreStates) {
coreStates.remove(zkNodeName);
coreStates.remove(coreName);
}
publishState();
final String zkNodeName = getNodeName() + "_" + coreName;
ElectionContext context = electionContexts.remove(zkNodeName);
if (context != null) {
context.cancelElection();
@ -946,7 +946,7 @@ public final class ZkController {
cloudDesc.getCollectionName(), props, numShards);
synchronized (coreStates) {
coreStates.put(shardZkNodeName, coreState);
coreStates.put(coreName, coreState);
}
publishState();