private boolean nodeRequiresConnection(DiscoveryNode node) {
if (localNode().clientNode()) {
if (node.clientNode()) {
return false;
}
}
return true;
}
public void addNodeInfo(NodeInfo nodeInfo) {
total++;
DiscoveryNode node = nodeInfo.getNode();
if (node.masterNode()) {
if (node.dataNode()) {
masterData++;
} else {
masterOnly++;
}
} else if (node.dataNode()) {
dataOnly++;
} else if (node.clientNode()) {
client++;
}
}
@Test
public void verifyThreadedListeners() throws Throwable {
final CountDownLatch latch = new CountDownLatch(1);
final AtomicReference<Throwable> failure = new AtomicReference<>();
final AtomicReference<String> threadName = new AtomicReference<>();
Client client = client();
IndexRequest request = new IndexRequest("test", "type", "1");
if (randomBoolean()) {
// set the source, without it, we will have a verification failure
request.source("field1", "value1");
}
client.index(
request,
new ActionListener<IndexResponse>() {
@Override
public void onResponse(IndexResponse indexResponse) {
threadName.set(Thread.currentThread().getName());
latch.countDown();
}
@Override
public void onFailure(Throwable e) {
threadName.set(Thread.currentThread().getName());
failure.set(e);
latch.countDown();
}
});
latch.await();
boolean shouldBeThreaded =
DiscoveryNode.clientNode(client.settings())
|| TransportClient.CLIENT_TYPE.equals(
client.settings().get(Client.CLIENT_TYPE_SETTING));
if (shouldBeThreaded) {
assertTrue(threadName.get().contains("listener"));
} else {
assertFalse(threadName.get().contains("listener"));
}
}
private Table buildTable(
RestRequest req,
ClusterStateResponse state,
NodesInfoResponse nodesInfo,
NodesStatsResponse nodesStats) {
boolean fullId = req.paramAsBoolean("full_id", false);
DiscoveryNodes nodes = state.getState().nodes();
String masterId = nodes.masterNodeId();
Table table = getTableWithHeader(req);
for (DiscoveryNode node : nodes) {
NodeInfo info = nodesInfo.getNodesMap().get(node.id());
NodeStats stats = nodesStats.getNodesMap().get(node.id());
JvmInfo jvmInfo = info == null ? null : info.getJvm();
JvmStats jvmStats = stats == null ? null : stats.getJvm();
FsInfo fsInfo = stats == null ? null : stats.getFs();
OsStats osStats = stats == null ? null : stats.getOs();
ProcessStats processStats = stats == null ? null : stats.getProcess();
NodeIndicesStats indicesStats = stats == null ? null : stats.getIndices();
table.startRow();
table.addCell(fullId ? node.id() : Strings.substring(node.getId(), 0, 4));
table.addCell(info == null ? null : info.getProcess().getId());
table.addCell(node.getHostName());
table.addCell(node.getHostAddress());
if (node.address() instanceof InetSocketTransportAddress) {
table.addCell(((InetSocketTransportAddress) node.address()).address().getPort());
} else {
table.addCell("-");
}
table.addCell(node.getVersion().number());
table.addCell(info == null ? null : info.getBuild().shortHash());
table.addCell(jvmInfo == null ? null : jvmInfo.version());
table.addCell(fsInfo == null ? null : fsInfo.getTotal().getAvailable());
table.addCell(jvmStats == null ? null : jvmStats.getMem().getHeapUsed());
table.addCell(jvmStats == null ? null : jvmStats.getMem().getHeapUsedPercent());
table.addCell(jvmInfo == null ? null : jvmInfo.getMem().getHeapMax());
table.addCell(
osStats == null ? null : osStats.getMem() == null ? null : osStats.getMem().getUsed());
table.addCell(
osStats == null
? null
: osStats.getMem() == null ? null : osStats.getMem().getUsedPercent());
table.addCell(
osStats == null ? null : osStats.getMem() == null ? null : osStats.getMem().getTotal());
table.addCell(processStats == null ? null : processStats.getOpenFileDescriptors());
table.addCell(
processStats == null
? null
: calculatePercentage(
processStats.getOpenFileDescriptors(), processStats.getMaxFileDescriptors()));
table.addCell(processStats == null ? null : processStats.getMaxFileDescriptors());
table.addCell(
osStats == null ? null : String.format(Locale.ROOT, "%.2f", osStats.getLoadAverage()));
table.addCell(jvmStats == null ? null : jvmStats.getUptime());
table.addCell(node.clientNode() ? "c" : node.dataNode() ? "d" : "-");
table.addCell(
masterId == null
? "x"
: masterId.equals(node.id()) ? "*" : node.masterNode() ? "m" : "-");
table.addCell(node.name());
CompletionStats completionStats =
indicesStats == null ? null : stats.getIndices().getCompletion();
table.addCell(completionStats == null ? null : completionStats.getSize());
FieldDataStats fdStats = indicesStats == null ? null : stats.getIndices().getFieldData();
table.addCell(fdStats == null ? null : fdStats.getMemorySize());
table.addCell(fdStats == null ? null : fdStats.getEvictions());
QueryCacheStats fcStats = indicesStats == null ? null : indicesStats.getQueryCache();
table.addCell(fcStats == null ? null : fcStats.getMemorySize());
table.addCell(fcStats == null ? null : fcStats.getEvictions());
RequestCacheStats qcStats = indicesStats == null ? null : indicesStats.getRequestCache();
table.addCell(qcStats == null ? null : qcStats.getMemorySize());
table.addCell(qcStats == null ? null : qcStats.getEvictions());
table.addCell(qcStats == null ? null : qcStats.getHitCount());
table.addCell(qcStats == null ? null : qcStats.getMissCount());
FlushStats flushStats = indicesStats == null ? null : indicesStats.getFlush();
table.addCell(flushStats == null ? null : flushStats.getTotal());
table.addCell(flushStats == null ? null : flushStats.getTotalTime());
GetStats getStats = indicesStats == null ? null : indicesStats.getGet();
table.addCell(getStats == null ? null : getStats.current());
table.addCell(getStats == null ? null : getStats.getTime());
table.addCell(getStats == null ? null : getStats.getCount());
table.addCell(getStats == null ? null : getStats.getExistsTime());
table.addCell(getStats == null ? null : getStats.getExistsCount());
table.addCell(getStats == null ? null : getStats.getMissingTime());
table.addCell(getStats == null ? null : getStats.getMissingCount());
IndexingStats indexingStats = indicesStats == null ? null : indicesStats.getIndexing();
table.addCell(indexingStats == null ? null : indexingStats.getTotal().getDeleteCurrent());
table.addCell(indexingStats == null ? null : indexingStats.getTotal().getDeleteTime());
table.addCell(indexingStats == null ? null : indexingStats.getTotal().getDeleteCount());
table.addCell(indexingStats == null ? null : indexingStats.getTotal().getIndexCurrent());
table.addCell(indexingStats == null ? null : indexingStats.getTotal().getIndexTime());
table.addCell(indexingStats == null ? null : indexingStats.getTotal().getIndexCount());
table.addCell(indexingStats == null ? null : indexingStats.getTotal().getIndexFailedCount());
MergeStats mergeStats = indicesStats == null ? null : indicesStats.getMerge();
table.addCell(mergeStats == null ? null : mergeStats.getCurrent());
table.addCell(mergeStats == null ? null : mergeStats.getCurrentNumDocs());
table.addCell(mergeStats == null ? null : mergeStats.getCurrentSize());
table.addCell(mergeStats == null ? null : mergeStats.getTotal());
table.addCell(mergeStats == null ? null : mergeStats.getTotalNumDocs());
table.addCell(mergeStats == null ? null : mergeStats.getTotalSize());
table.addCell(mergeStats == null ? null : mergeStats.getTotalTime());
PercolateStats percolateStats = indicesStats == null ? null : indicesStats.getPercolate();
table.addCell(percolateStats == null ? null : percolateStats.getCurrent());
table.addCell(percolateStats == null ? null : percolateStats.getMemorySize());
table.addCell(percolateStats == null ? null : percolateStats.getNumQueries());
table.addCell(percolateStats == null ? null : percolateStats.getTime());
table.addCell(percolateStats == null ? null : percolateStats.getCount());
RefreshStats refreshStats = indicesStats == null ? null : indicesStats.getRefresh();
table.addCell(refreshStats == null ? null : refreshStats.getTotal());
table.addCell(refreshStats == null ? null : refreshStats.getTotalTime());
ScriptStats scriptStats = stats == null ? null : stats.getScriptStats();
table.addCell(scriptStats == null ? null : scriptStats.getCompilations());
table.addCell(scriptStats == null ? null : scriptStats.getCacheEvictions());
SearchStats searchStats = indicesStats == null ? null : indicesStats.getSearch();
table.addCell(searchStats == null ? null : searchStats.getTotal().getFetchCurrent());
table.addCell(searchStats == null ? null : searchStats.getTotal().getFetchTime());
table.addCell(searchStats == null ? null : searchStats.getTotal().getFetchCount());
table.addCell(searchStats == null ? null : searchStats.getOpenContexts());
table.addCell(searchStats == null ? null : searchStats.getTotal().getQueryCurrent());
table.addCell(searchStats == null ? null : searchStats.getTotal().getQueryTime());
table.addCell(searchStats == null ? null : searchStats.getTotal().getQueryCount());
table.addCell(searchStats == null ? null : searchStats.getTotal().getScrollCurrent());
table.addCell(searchStats == null ? null : searchStats.getTotal().getScrollTime());
table.addCell(searchStats == null ? null : searchStats.getTotal().getScrollCount());
SegmentsStats segmentsStats = indicesStats == null ? null : indicesStats.getSegments();
table.addCell(segmentsStats == null ? null : segmentsStats.getCount());
table.addCell(segmentsStats == null ? null : segmentsStats.getMemory());
table.addCell(segmentsStats == null ? null : segmentsStats.getIndexWriterMemory());
table.addCell(segmentsStats == null ? null : segmentsStats.getIndexWriterMaxMemory());
table.addCell(segmentsStats == null ? null : segmentsStats.getVersionMapMemory());
table.addCell(segmentsStats == null ? null : segmentsStats.getBitsetMemory());
SuggestStats suggestStats = indicesStats == null ? null : indicesStats.getSuggest();
table.addCell(suggestStats == null ? null : suggestStats.getCurrent());
table.addCell(suggestStats == null ? null : suggestStats.getTime());
table.addCell(suggestStats == null ? null : suggestStats.getCount());
table.endRow();
}
return table;
}
private DiscoveryNode findMaster() {
ZenPing.PingResponse[] fullPingResponses = pingService.pingAndWait(pingTimeout);
if (fullPingResponses == null) {
logger.trace("No full ping responses");
return null;
}
if (logger.isTraceEnabled()) {
StringBuilder sb = new StringBuilder("full ping responses:");
if (fullPingResponses.length == 0) {
sb.append(" {none}");
} else {
for (ZenPing.PingResponse pingResponse : fullPingResponses) {
sb.append("\n\t--> ")
.append("target [")
.append(pingResponse.target())
.append("], master [")
.append(pingResponse.master())
.append("]");
}
}
logger.trace(sb.toString());
}
// filter responses
List<ZenPing.PingResponse> pingResponses = Lists.newArrayList();
for (ZenPing.PingResponse pingResponse : fullPingResponses) {
DiscoveryNode node = pingResponse.target();
if (masterElectionFilterClientNodes
&& (node.clientNode() || (!node.masterNode() && !node.dataNode()))) {
// filter out the client node, which is a client node, or also one that is not data and not
// master (effectively, client)
} else if (masterElectionFilterDataNodes && (!node.masterNode() && node.dataNode())) {
// filter out data node that is not also master
} else {
pingResponses.add(pingResponse);
}
}
if (logger.isDebugEnabled()) {
StringBuilder sb =
new StringBuilder("filtered ping responses: (filter_client[")
.append(masterElectionFilterClientNodes)
.append("], filter_data[")
.append(masterElectionFilterDataNodes)
.append("])");
if (pingResponses.isEmpty()) {
sb.append(" {none}");
} else {
for (ZenPing.PingResponse pingResponse : pingResponses) {
sb.append("\n\t--> ")
.append("target [")
.append(pingResponse.target())
.append("], master [")
.append(pingResponse.master())
.append("]");
}
}
logger.debug(sb.toString());
}
List<DiscoveryNode> pingMasters = newArrayList();
for (ZenPing.PingResponse pingResponse : pingResponses) {
if (pingResponse.master() != null) {
pingMasters.add(pingResponse.master());
}
}
Set<DiscoveryNode> possibleMasterNodes = Sets.newHashSet();
possibleMasterNodes.add(localNode);
for (ZenPing.PingResponse pingResponse : pingResponses) {
possibleMasterNodes.add(pingResponse.target());
}
// if we don't have enough master nodes, we bail, even if we get a response that indicates
// there is a master by other node, we don't see enough...
if (!electMaster.hasEnoughMasterNodes(possibleMasterNodes)) {
return null;
}
if (pingMasters.isEmpty()) {
// lets tie break between discovered nodes
DiscoveryNode electedMaster = electMaster.electMaster(possibleMasterNodes);
if (localNode.equals(electedMaster)) {
return localNode;
}
} else {
DiscoveryNode electedMaster = electMaster.electMaster(pingMasters);
if (electedMaster != null) {
return electedMaster;
}
}
return null;
}
/** Should this node form a connection to the provided node. */
public boolean shouldConnectTo(DiscoveryNode otherNode) {
if (clientNode() && otherNode.clientNode()) {
return false;
}
return true;
}
