/
RouterService.java
1116 lines (1016 loc) · 56.5 KB
/
RouterService.java
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/**
* Licensed to JumpMind Inc under one or more contributor
* license agreements. See the NOTICE file distributed
* with this work for additional information regarding
* copyright ownership. JumpMind Inc licenses this file
* to you under the GNU General Public License, version 3.0 (GPLv3)
* (the "License"); you may not use this file except in compliance
* with the License.
*
* You should have received a copy of the GNU General Public License,
* version 3.0 (GPLv3) along with this library; if not, see
* <http://www.gnu.org/licenses/>.
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.jumpmind.symmetric.service.impl;
import static org.apache.commons.lang.StringUtils.isNotBlank;
import static org.jumpmind.symmetric.common.Constants.LOG_PROCESS_SUMMARY_THRESHOLD;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.atomic.AtomicInteger;
import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.lang.StringUtils;
import org.jumpmind.db.model.Column;
import org.jumpmind.db.model.Table;
import org.jumpmind.db.sql.ISqlRowMapper;
import org.jumpmind.db.sql.Row;
import org.jumpmind.symmetric.ISymmetricEngine;
import org.jumpmind.symmetric.SymmetricException;
import org.jumpmind.symmetric.SyntaxParsingException;
import org.jumpmind.symmetric.common.Constants;
import org.jumpmind.symmetric.common.ContextConstants;
import org.jumpmind.symmetric.common.ParameterConstants;
import org.jumpmind.symmetric.io.data.DataEventType;
import org.jumpmind.symmetric.io.data.ProtocolException;
import org.jumpmind.symmetric.model.AbstractBatch.Status;
import org.jumpmind.symmetric.model.Channel;
import org.jumpmind.symmetric.model.Data;
import org.jumpmind.symmetric.model.DataGap;
import org.jumpmind.symmetric.model.DataMetaData;
import org.jumpmind.symmetric.model.Node;
import org.jumpmind.symmetric.model.NodeChannel;
import org.jumpmind.symmetric.model.NodeGroupLink;
import org.jumpmind.symmetric.model.OutgoingBatch;
import org.jumpmind.symmetric.model.ProcessInfo;
import org.jumpmind.symmetric.model.ProcessInfoKey;
import org.jumpmind.symmetric.model.ProcessType;
import org.jumpmind.symmetric.model.Router;
import org.jumpmind.symmetric.model.Trigger;
import org.jumpmind.symmetric.model.TriggerHistory;
import org.jumpmind.symmetric.model.TriggerRouter;
import org.jumpmind.symmetric.route.AbstractFileParsingRouter;
import org.jumpmind.symmetric.route.AuditTableDataRouter;
import org.jumpmind.symmetric.route.BshDataRouter;
import org.jumpmind.symmetric.route.CSVRouter;
import org.jumpmind.symmetric.route.ChannelRouterContext;
import org.jumpmind.symmetric.route.ColumnMatchDataRouter;
import org.jumpmind.symmetric.route.CommonBatchCollisionException;
import org.jumpmind.symmetric.route.ConfigurationChangedDataRouter;
import org.jumpmind.symmetric.route.ConvertToReloadRouter;
import org.jumpmind.symmetric.route.DBFRouter;
import org.jumpmind.symmetric.route.DataGapDetector;
import org.jumpmind.symmetric.route.DataGapFastDetector;
import org.jumpmind.symmetric.route.DataGapRouteReader;
import org.jumpmind.symmetric.route.DefaultBatchAlgorithm;
import org.jumpmind.symmetric.route.DefaultDataRouter;
import org.jumpmind.symmetric.route.DelayRoutingException;
import org.jumpmind.symmetric.route.FileSyncDataRouter;
import org.jumpmind.symmetric.route.IBatchAlgorithm;
import org.jumpmind.symmetric.route.IDataRouter;
import org.jumpmind.symmetric.route.IDataToRouteReader;
import org.jumpmind.symmetric.route.LookupTableDataRouter;
import org.jumpmind.symmetric.route.NonTransactionalBatchAlgorithm;
import org.jumpmind.symmetric.route.SimpleRouterContext;
import org.jumpmind.symmetric.route.SubSelectDataRouter;
import org.jumpmind.symmetric.route.TPSRouter;
import org.jumpmind.symmetric.route.TransactionalBatchAlgorithm;
import org.jumpmind.symmetric.service.ClusterConstants;
import org.jumpmind.symmetric.service.IExtensionService;
import org.jumpmind.symmetric.service.IRouterService;
import org.jumpmind.symmetric.statistic.StatisticConstants;
import org.jumpmind.symmetric.util.CounterStat;
import org.jumpmind.util.FormatUtils;
/**
* @see IRouterService
*/
public class RouterService extends AbstractService implements IRouterService {
final int MAX_LOGGING_LENGTH = 512;
protected Map<Integer, CounterStat> missingTriggerRouter = new HashMap<Integer, CounterStat>();
protected Map<String, CounterStat> invalidRouterType = new HashMap<String, CounterStat>();
protected long triggerRouterCacheTime = 0;
protected Map<String, Boolean> commonBatchesLastKnownState = new HashMap<String, Boolean>();
protected long commonBatchesCacheTime;
protected Map<String, Boolean> defaultRouterOnlyLastKnownState = new HashMap<String, Boolean>();
protected long defaultRoutersCacheTime;
protected transient ExecutorService readThread = null;
protected ISymmetricEngine engine;
protected IExtensionService extensionService;
protected DataGapDetector gapDetector;
protected boolean firstTimeCheck = true;
protected boolean hasMaxDataRoutedOnChannel;
public RouterService(ISymmetricEngine engine) {
super(engine.getParameterService(), engine.getSymmetricDialect());
this.engine = engine;
this.extensionService = engine.getExtensionService();
extensionService.addExtensionPoint(DefaultBatchAlgorithm.NAME, new DefaultBatchAlgorithm());
extensionService.addExtensionPoint(NonTransactionalBatchAlgorithm.NAME, new NonTransactionalBatchAlgorithm());
extensionService.addExtensionPoint(TransactionalBatchAlgorithm.NAME, new TransactionalBatchAlgorithm());
extensionService.addExtensionPoint(ConfigurationChangedDataRouter.ROUTER_TYPE, new ConfigurationChangedDataRouter(engine));
extensionService.addExtensionPoint("bsh", new BshDataRouter(engine));
extensionService.addExtensionPoint("subselect", new SubSelectDataRouter(symmetricDialect));
extensionService.addExtensionPoint("lookuptable", new LookupTableDataRouter(symmetricDialect));
extensionService.addExtensionPoint("default", new DefaultDataRouter());
extensionService.addExtensionPoint("audit", new AuditTableDataRouter(engine));
extensionService.addExtensionPoint("column", new ColumnMatchDataRouter(engine.getConfigurationService(),
engine.getSymmetricDialect()));
extensionService.addExtensionPoint(FileSyncDataRouter.ROUTER_TYPE, new FileSyncDataRouter(engine));
extensionService.addExtensionPoint("dbf", new DBFRouter(engine));
extensionService.addExtensionPoint("tps", new TPSRouter(engine));
extensionService.addExtensionPoint("csv", new CSVRouter(engine));
extensionService.addExtensionPoint(ConvertToReloadRouter.ROUTER_ID, new ConvertToReloadRouter(engine));
setSqlMap(new RouterServiceSqlMap(symmetricDialect.getPlatform(),
createSqlReplacementTokens()));
gapDetector = new DataGapFastDetector(engine.getDataService(), parameterService, engine.getContextService(),
symmetricDialect, this, engine.getStatisticManager(), engine.getNodeService());
}
/**
* For use in data load events
*/
public boolean shouldDataBeRouted(SimpleRouterContext context, DataMetaData dataMetaData,
Node node, boolean initialLoad, boolean initialLoadSelectUsed, TriggerRouter triggerRouter) {
IDataRouter router = getDataRouter(dataMetaData.getRouter());
Set<Node> oneNodeSet = new HashSet<Node>(1);
oneNodeSet.add(node);
Collection<String> nodeIds = router.routeToNodes(context, dataMetaData, oneNodeSet, initialLoad,
initialLoadSelectUsed, triggerRouter);
return nodeIds != null && nodeIds.contains(node.getNodeId());
}
public synchronized void stop() {
if (readThread != null) {
try {
log.info("RouterService is shutting down");
readThread.shutdown();
readThread = null;
} catch (Exception ex) {
log.error("", ex);
}
}
}
/**
* This method will route data to specific nodes.
*/
synchronized public long routeData(boolean force) {
long dataCount = -1l;
Node identity = engine.getNodeService().findIdentity();
if (identity != null) {
if (force || engine.getClusterService().lock(ClusterConstants.ROUTE)) {
try {
if (firstTimeCheck) {
engine.getOutgoingBatchService().updateAbandonedRoutingBatches();
if (engine.getDataService().fixLastDataGap()) {
engine.getContextService().save(ContextConstants.ROUTING_FULL_GAP_ANALYSIS, Boolean.TRUE.toString());
}
firstTimeCheck = false;
}
do {
engine.getClusterService().refreshLock(ClusterConstants.ROUTE);
long ts = System.currentTimeMillis();
hasMaxDataRoutedOnChannel = false;
gapDetector.beforeRouting();
dataCount = routeDataForEachChannel();
ts = System.currentTimeMillis() - ts;
if (dataCount > 0 || ts > Constants.LONG_OPERATION_THRESHOLD) {
log.info("Routed {} data events in {} ms", dataCount, ts);
}
if (dataCount > 0) {
gapDetector.afterRouting();
}
if (hasMaxDataRoutedOnChannel) {
log.debug("Immediately routing again because a channel reached max data to route");
}
} while (hasMaxDataRoutedOnChannel);
} finally {
if (!force) {
engine.getClusterService().unlock(ClusterConstants.ROUTE);
}
for (CounterStat counterStat : invalidRouterType.values()) {
Router router = (Router) counterStat.getObject();
log.warn("Invalid router type of '{}' configured on router '{}'. Using default router instead.",
router.getRouterType(), router.getRouterId());
}
invalidRouterType.clear();
for (CounterStat counterStat : missingTriggerRouter.values()) {
Data data = (Data) counterStat.getObject();
log.warn("Ignoring data captured for table '{}' because there is no trigger router configured for it. "
+ "If you removed or disabled the trigger router, you can disregard this warning. "
+ "Starting with data id {} and trigger hist id {}, there were {} occurrences.",
data.getTableName(), data.getDataId(), data.getTriggerHistory().getTriggerHistoryId(), counterStat.getCount());
}
missingTriggerRouter.clear();
}
}
}
return dataCount;
}
/**
* We route data channel by channel for two reasons. One is that if/when we
* decide to multi-thread the routing it is a simple matter of inserting a
* thread pool here and waiting for all channels to be processed. The other
* reason is to reduce the number of connections we are required to have.
*/
protected long routeDataForEachChannel() {
long dataCount = 0;
Node sourceNode = engine.getNodeService().findIdentity();
ProcessInfo processInfo = engine.getStatisticManager().newProcessInfo(
new ProcessInfoKey(sourceNode.getNodeId(), null, ProcessType.ROUTER_JOB));
processInfo.setStatus(ProcessInfo.ProcessStatus.PROCESSING);
try {
final List<NodeChannel> channels = engine.getConfigurationService().getNodeChannels(false);
Set<String> readyChannels = null;
if (parameterService.is(ParameterConstants.ROUTING_QUERY_CHANNELS_FIRST)) {
readyChannels = getReadyChannels();
}
for (NodeChannel nodeChannel : channels) {
engine.getClusterService().refreshLock(ClusterConstants.ROUTE);
if (nodeChannel.isEnabled() && (readyChannels == null || readyChannels.contains(nodeChannel.getChannelId()))) {
processInfo.setCurrentTableName("");
processInfo.setCurrentChannelId(nodeChannel.getChannelId());
dataCount += routeDataForChannel(processInfo, nodeChannel, sourceNode, false, null, null);
} else if (!nodeChannel.isEnabled()) {
gapDetector.setIsAllDataRead(false);
if (log.isDebugEnabled()) {
log.debug("Not routing the {} channel. It is either disabled or suspended.", nodeChannel.getChannelId());
}
}
}
processInfo.setStatus(ProcessInfo.ProcessStatus.OK);
} catch (RuntimeException ex) {
processInfo.setStatus(ProcessInfo.ProcessStatus.ERROR);
firstTimeCheck = true;
throw ex;
}
return dataCount;
}
protected Set<String> getReadyChannels() {
List<DataGap> dataGaps = gapDetector.getDataGaps();
int dataIdSqlType = engine.getSymmetricDialect().getSqlTypeForIds();
int numberOfGapsToQualify = parameterService.getInt(ParameterConstants.ROUTING_MAX_GAPS_TO_QUALIFY_IN_SQL, 100);
int maxGapsBeforeGreaterThanQuery = parameterService.getInt(
ParameterConstants.ROUTING_DATA_READER_THRESHOLD_GAPS_TO_USE_GREATER_QUERY, 100);
String sql;
Object[] args;
int[] types;
if (maxGapsBeforeGreaterThanQuery > 0 && dataGaps.size() > maxGapsBeforeGreaterThanQuery) {
sql = getSql("selectChannelsUsingStartDataId");
args = new Object[] { dataGaps.get(0).getStartId() };
types = new int[] { dataIdSqlType };
} else {
sql = qualifyUsingDataGaps(dataGaps, numberOfGapsToQualify, getSql("selectChannelsUsingGapsSql"));
int numberOfArgs = 2 * (numberOfGapsToQualify < dataGaps.size() ? numberOfGapsToQualify : dataGaps.size());
args = new Object[numberOfArgs];
types = new int[numberOfArgs];
for (int i = 0; i < numberOfGapsToQualify && i < dataGaps.size(); i++) {
DataGap gap = dataGaps.get(i);
args[i * 2] = gap.getStartId();
types[i * 2] = dataIdSqlType;
if ((i + 1) == numberOfGapsToQualify && (i + 1) < dataGaps.size()) {
args[i * 2 + 1] = dataGaps.get(dataGaps.size() - 1).getEndId();
} else {
args[i * 2 + 1] = gap.getEndId();
}
types[i * 2 + 1] = dataIdSqlType;
}
}
final Set<String> readyChannels = new HashSet<String>();
sqlTemplateDirty.query(sql, new ISqlRowMapper<String>() {
public String mapRow(Row row) {
readyChannels.add(row.getString("channel_id"));
return null;
}
}, args, types);
return readyChannels;
}
protected String qualifyUsingDataGaps(List<DataGap> dataGaps, int numberOfGapsToQualify,
String sql) {
StringBuilder gapClause = new StringBuilder();
for (int i = 0; i < numberOfGapsToQualify && i < dataGaps.size(); i++) {
if (i == 0) {
gapClause.append("(");
} else {
gapClause.append(" or ");
}
gapClause.append("(data_id between ? and ?)");
}
gapClause.append(")");
return FormatUtils.replace("dataRange", gapClause.toString(), sql);
}
@Deprecated
protected boolean producesCommonBatches(Channel channel, String nodeGroupId, List<TriggerRouter> triggerRouters) {
String channelId = channel.getChannelId();
Boolean producesCommonBatches = commonBatchesLastKnownState.get(channelId);
long cacheTime = parameterService.getLong(ParameterConstants.CACHE_CHANNEL_COMMON_BATCHES_IN_MS);
if (producesCommonBatches == null || System.currentTimeMillis() - commonBatchesCacheTime > cacheTime) {
producesCommonBatches = !Constants.CHANNEL_CONFIG.equals(channelId)
&& !channel.isFileSyncFlag()
&& !channel.isReloadFlag()
&& !Constants.CHANNEL_HEARTBEAT.equals(channelId)
&& !Constants.CHANNEL_MONITOR.equals(channelId);
if (producesCommonBatches && triggerRouters != null) {
List<TriggerRouter> testableTriggerRouters = new ArrayList<TriggerRouter>();
for (TriggerRouter triggerRouter : triggerRouters) {
if (triggerRouter.getTrigger().getChannelId().equals(channelId)) {
testableTriggerRouters.add(triggerRouter);
} else {
/*
* This trigger is not on this channel. If there is
* another trigger on this channel for the same table
* AND this trigger is syncing to this node, then
* consider it to check on common batch mode
*/
String anotherChannelTableName = triggerRouter.getTrigger()
.getFullyQualifiedSourceTableName();
for (TriggerRouter triggerRouter2 : triggerRouters) {
String currentTableName = triggerRouter2
.getTrigger()
.getFullyQualifiedSourceTableName();
String currentChannelId = triggerRouter2.getTrigger().getChannelId();
if (anotherChannelTableName.equals(currentTableName) && currentChannelId.equals(channelId)
&& triggerRouter.getRouter().getNodeGroupLink().getTargetNodeGroupId()
.equals(triggerRouter2.getRouter().getNodeGroupLink().getSourceNodeGroupId()) &&
triggerRouter.getRouter().getNodeGroupLink().getSourceNodeGroupId()
.equals(triggerRouter2.getRouter().getNodeGroupLink().getTargetNodeGroupId())) {
testableTriggerRouters.add(triggerRouter);
}
}
}
}
for (TriggerRouter triggerRouter : testableTriggerRouters) {
boolean isDefaultRouter = "default".equals(triggerRouter.getRouter().getRouterType());
/*
* If the data router is not a default data router or there will
* be incoming data on the channel where sync_on_incoming_batch
* is on, then we can not do 'optimal' routing. When
* sync_on_incoming_batch is on, then we might not be sending
* data to all nodes in a node_group. We can only do 'optimal'
* routing if data is going to go to all nodes in a group.
*/
if (triggerRouter.getRouter().getNodeGroupLink().getSourceNodeGroupId()
.equals(nodeGroupId)) {
if (!isDefaultRouter) {
producesCommonBatches = false;
break;
} else {
if (triggerRouter.getTrigger().isSyncOnIncomingBatch()) {
String outgoingTableName = triggerRouter.getTrigger()
.getFullyQualifiedSourceTableName();
for (TriggerRouter triggerRouter2 : testableTriggerRouters) {
String incomingTableName = triggerRouter2.getTrigger().getFullyQualifiedSourceTableName();
String targetNodeGroupId = triggerRouter2.getRouter().getNodeGroupLink()
.getTargetNodeGroupId();
if (incomingTableName.equals(outgoingTableName) && targetNodeGroupId.equals(nodeGroupId)) {
producesCommonBatches = false;
break;
}
}
}
}
}
}
}
if (!producesCommonBatches.equals(commonBatchesLastKnownState.get(channelId))) {
String message = "The '{}' channel is " + (producesCommonBatches ? "" : "NOT ") + "in common batch mode";
if (channelId.equals(Constants.CHANNEL_CONFIG) || channelId.equals(Constants.CHANNEL_HEARTBEAT) ||
channelId.equals(Constants.CHANNEL_FILESYNC) || channelId.equals(Constants.CHANNEL_MONITOR) ||
channelId.equals(Constants.CHANNEL_FILESYNC_RELOAD) || channelId.equals(Constants.CHANNEL_RELOAD)) {
log.debug(message, channelId);
} else {
log.info(message, channelId);
}
commonBatchesLastKnownState.put(channelId, producesCommonBatches);
}
commonBatchesCacheTime = System.currentTimeMillis();
}
return producesCommonBatches;
}
protected boolean onlyDefaultRoutersAssigned(Channel channel, String nodeGroupId, List<TriggerRouter> triggerRouters) {
String channelId = channel.getChannelId();
Boolean onlyDefaultRoutersAssigned = defaultRouterOnlyLastKnownState.get(channelId);
long cacheTime = parameterService.getLong(ParameterConstants.CACHE_CHANNEL_DEFAULT_ROUTER_IN_MS);
if (onlyDefaultRoutersAssigned == null || System.currentTimeMillis() - defaultRoutersCacheTime > cacheTime) {
onlyDefaultRoutersAssigned = !Constants.CHANNEL_CONFIG.equals(channelId)
&& !channel.isFileSyncFlag()
&& !channel.isReloadFlag()
&& !Constants.CHANNEL_HEARTBEAT.equals(channelId)
&& !Constants.CHANNEL_MONITOR.equals(channelId);
if (onlyDefaultRoutersAssigned && triggerRouters != null) {
for (TriggerRouter triggerRouter : triggerRouters) {
if (triggerRouter.getTrigger().getChannelId().equals(channel.getChannelId()) &&
triggerRouter.getRouter().getNodeGroupLink().getSourceNodeGroupId()
.equals(nodeGroupId) && !"default".equals(triggerRouter.getRouter().getRouterType())) {
onlyDefaultRoutersAssigned = false;
}
}
}
if (!onlyDefaultRoutersAssigned.equals(defaultRouterOnlyLastKnownState.get(channelId))) {
if (onlyDefaultRoutersAssigned) {
log.info("The '{}' channel for the '{}' node group has only default routers assigned to it. Change data won't be selected during routing", channelId, nodeGroupId);
}
defaultRouterOnlyLastKnownState.put(channelId, onlyDefaultRoutersAssigned);
}
defaultRoutersCacheTime = System.currentTimeMillis();
}
return onlyDefaultRoutersAssigned;
}
protected long routeDataForChannel(ProcessInfo processInfo, final NodeChannel nodeChannel, final Node sourceNode, boolean isOverrideContainsBigLob,
Map<String, OutgoingBatch> overrideBatchesByNodes, Map<Integer, Map<String, OutgoingBatch>> overrideBatchesByGroups) {
ChannelRouterContext context = null;
long ts = System.currentTimeMillis();
long dataCount = -1;
try {
boolean useCommonGroups = parameterService.is(ParameterConstants.ROUTING_USE_COMMON_GROUPS);
List<TriggerRouter> triggerRouters = engine.getTriggerRouterService().getTriggerRouters(false);
boolean producesCommonBatches = !useCommonGroups && producesCommonBatches(nodeChannel.getChannel(), parameterService.getNodeGroupId(),
triggerRouters);
boolean onlyDefaultRoutersAssigned = onlyDefaultRoutersAssigned(nodeChannel.getChannel(),
parameterService.getNodeGroupId(), triggerRouters);
context = new ChannelRouterContext(sourceNode.getNodeId(), nodeChannel,
symmetricDialect.getPlatform().getSqlTemplate().startSqlTransaction(),
extensionService.getExtensionPointMap(IBatchAlgorithm.class));
context.setProduceCommonBatches(producesCommonBatches);
context.setProduceGroupBatches(useCommonGroups);
context.setOnlyDefaultRoutersAssigned(onlyDefaultRoutersAssigned);
context.setDataGaps(gapDetector.getDataGaps());
context.setOverrideContainsBigLob(isOverrideContainsBigLob);
if (overrideBatchesByNodes != null) {
context.getBatchesByNodes().putAll(overrideBatchesByNodes);
}
if (overrideBatchesByNodes != null) {
context.getBatchesByGroups().putAll(overrideBatchesByGroups);
}
dataCount = selectDataAndRoute(processInfo, context);
return dataCount;
} catch (DelayRoutingException ex) {
log.info("The routing process for the {} channel is being delayed. {}", nodeChannel.getChannelId(), isNotBlank(ex.getMessage()) ? ex.getMessage() : "");
if (context != null) {
context.rollback();
}
return context.getCommittedDataEventCount();
} catch (InterruptedException ex) {
log.warn("The routing process was interrupted. Rolling back changes");
if (context != null) {
context.rollback();
}
return context.getCommittedDataEventCount();
} catch (SyntaxParsingException ex) {
log.error(
String.format(
"Failed to route and batch data on '%s' channel due to an invalid router expression",
nodeChannel.getChannelId()), ex);
if (context != null) {
context.rollback();
}
return context.getCommittedDataEventCount();
} catch (ProtocolException ex) {
if (context != null) {
context.rollback();
}
if (isOverrideContainsBigLob) {
log.error(String.format("Failed to route and batch data on '%s' channel", nodeChannel.getChannelId()), ex);
return context.getCommittedDataEventCount();
} else {
Map<String, OutgoingBatch> batchesByNodes = new HashMap<String, OutgoingBatch>(context.getBatchesByNodes());
Map<Integer, Map<String, OutgoingBatch>> batchesByGroups = new HashMap<Integer, Map<String, OutgoingBatch>>(context.getBatchesByGroups());
long batchId = -1;
for (OutgoingBatch batch : batchesByNodes.values()) {
batch.resetRouterStats();
batchId = batch.getBatchId();
}
for (Map<String, OutgoingBatch> groupBatches : batchesByGroups.values()) {
for (OutgoingBatch batch : groupBatches.values()) {
batch.resetRouterStats();
batchId = batch.getBatchId();
}
}
log.info("Re-attempting routing for batch {} with contains_big_lobs temporarily enabled for channel {}",
batchId, nodeChannel.getChannelId());
dataCount = 0;
gapDetector.addDataIds(context.getDataIds());
gapDetector.afterRouting();
gapDetector.beforeRouting();
long dataCountWithBigLob = routeDataForChannel(processInfo, nodeChannel, sourceNode, true, batchesByNodes, batchesByGroups);
return context.getCommittedDataEventCount() + dataCountWithBigLob;
}
} catch (CommonBatchCollisionException e) {
gapDetector.setIsAllDataRead(false);
dataCount = 1; // we prevented writing the collision, so commit what we have
throw e;
} catch (Throwable ex) {
log.error(
String.format("Failed to route and batch data on '%s' channel",
nodeChannel.getChannelId()), ex);
if (context != null) {
context.rollback();
}
return context.getCommittedDataEventCount();
} finally {
try {
if (dataCount > 0) {
long insertTs = System.currentTimeMillis();
engine.getDataService().insertDataEvents(context.getSqlTransaction(),
context.getDataEventList());
context.clearDataEventsList();
completeBatchesAndCommit(context);
gapDetector.addDataIds(context.getDataIds());
gapDetector.setIsAllDataRead(context.getDataIds().size() < context.getChannel().getMaxDataToRoute());
hasMaxDataRoutedOnChannel |= context.getDataIds().size() >= context.getChannel().getMaxDataToRoute();
context.incrementStat(System.currentTimeMillis() - insertTs,
ChannelRouterContext.STAT_INSERT_DATA_EVENTS_MS);
if (parameterService.is(ParameterConstants.ROUTING_COLLECT_STATS_UNROUTED)) {
Data lastDataProcessed = context.getLastDataProcessed();
if (lastDataProcessed != null && lastDataProcessed.getDataId() > 0) {
String channelId = nodeChannel.getChannelId();
long queryTs = System.currentTimeMillis();
long dataLeftToRoute = sqlTemplate.queryForInt(
getSql("selectUnroutedCountForChannelSql"), channelId,
lastDataProcessed.getDataId());
queryTs = System.currentTimeMillis() - queryTs;
if (queryTs > Constants.LONG_OPERATION_THRESHOLD) {
log.warn("Unrouted query for channel {} took longer than expected. The query took {} ms.", channelId, queryTs);
}
engine.getStatisticManager().setDataUnRouted(channelId, dataLeftToRoute);
}
}
} else if (dataCount == -1) {
// rolled back as exception, but let gap detector know about what was committed before halting
gapDetector.addDataIds(context.getDataIds());
gapDetector.setIsAllDataRead(false);
}
} catch (Exception e) {
if (context != null) {
context.rollback();
}
log.error("", e);
} finally {
long totalTime = System.currentTimeMillis() - ts;
if (context != null) {
context.incrementStat(totalTime, ChannelRouterContext.STAT_ROUTE_TOTAL_TIME);
context.logStats(log, totalTime);
context.cleanup();
}
}
}
}
protected void completeBatchesAndCommit(ChannelRouterContext context) {
gapDetector.setFullGapAnalysis(context.getSqlTransaction(), true);
Set<IDataRouter> usedRouters = new HashSet<IDataRouter>(context.getUsedDataRouters());
List<OutgoingBatch> batches = new ArrayList<OutgoingBatch>(context.getBatchesByNodes().values());
for (Map<String, OutgoingBatch> groupBatches : context.getBatchesByGroups().values()) {
batches.addAll(groupBatches.values());
}
completeBatches(context, batches, usedRouters);
context.commit();
for (IDataRouter dataRouter : usedRouters) {
dataRouter.contextCommitted(context);
}
context.setNeedsCommitted(false);
}
protected void completeBatches(ChannelRouterContext context, List<OutgoingBatch> batches, Set<IDataRouter> usedRouters) {
if (engine.getParameterService().is(ParameterConstants.ROUTING_LOG_STATS_ON_BATCH_ERROR)) {
engine.getStatisticManager().addRouterStats(context.getStartDataId(), context.getEndDataId(),
context.getDataReadCount(), context.getPeekAheadFillCount(),
context.getDataGaps(), null, batches);
}
for (OutgoingBatch batch : batches) {
for (IDataRouter dataRouter : usedRouters) {
dataRouter.completeBatch(context, batch);
}
if (Constants.UNROUTED_NODE_ID.equals(batch.getNodeId())) {
batch.setStatus(Status.OK);
} else {
batch.setStatus(Status.NE);
}
batch.setRouterMillis((System.currentTimeMillis() - batch.getCreateTime().getTime()) / batches.size());
engine.getOutgoingBatchService().updateOutgoingBatch(context.getSqlTransaction(), batch);
}
}
protected Set<Node> findAvailableNodes(TriggerRouter triggerRouter, ChannelRouterContext context) {
Set<Node> nodes = context.getAvailableNodes().get(triggerRouter);
if (nodes == null) {
nodes = new HashSet<Node>();
Router router = triggerRouter.getRouter();
NodeGroupLink link = engine.getConfigurationService().getNodeGroupLinkFor(
router.getNodeGroupLink().getSourceNodeGroupId(),
router.getNodeGroupLink().getTargetNodeGroupId(), false);
if (link != null) {
nodes.addAll(engine.getNodeService().findEnabledNodesFromNodeGroup(
router.getNodeGroupLink().getTargetNodeGroupId()));
} else {
log.error("The router {} has no node group link configured from {} to {}",
new Object[] { router.getRouterId(),
router.getNodeGroupLink().getSourceNodeGroupId(),
router.getNodeGroupLink().getTargetNodeGroupId() });
}
context.getAvailableNodes().put(triggerRouter, nodes);
}
return engine.getGroupletService().getTargetEnabled(triggerRouter, nodes);
}
protected IDataToRouteReader startReading(ChannelRouterContext context) {
IDataToRouteReader reader = new DataGapRouteReader(context, engine);
if (parameterService.is(ParameterConstants.SYNCHRONIZE_ALL_JOBS)) {
reader.run();
} else {
if (readThread == null) {
readThread = Executors.newCachedThreadPool(new ThreadFactory() {
final AtomicInteger threadNumber = new AtomicInteger(1);
final String namePrefix = parameterService.getEngineName().toLowerCase() + "-router-reader-";
public Thread newThread(Runnable r) {
Thread t = new Thread(r);
t.setName(namePrefix + threadNumber.getAndIncrement());
if (t.isDaemon()) {
t.setDaemon(false);
}
if (t.getPriority() != Thread.NORM_PRIORITY) {
t.setPriority(Thread.NORM_PRIORITY);
}
return t;
}
});
}
readThread.execute(reader);
}
return reader;
}
/**
* Pre-read data and fill up a queue so we can peek ahead to see if we have
* crossed a database transaction boundary. Then route each {@link Data}
* while continuing to keep the queue filled until the result set is
* entirely read.
*
* @param conn
* The connection to use for selecting the data.
* @param context
* The current context of the routing process
*/
protected long selectDataAndRoute(ProcessInfo processInfo, ChannelRouterContext context) throws InterruptedException {
IDataToRouteReader reader = startReading(context);
Data data = null;
Data nextData = null;
long totalDataCount = 0;
long totalDataEventCount = 0;
long statsDataCount = 0;
long statsDataEventCount = 0;
final int maxNumberOfEventsBeforeFlush = parameterService
.getInt(ParameterConstants.ROUTING_FLUSH_JDBC_BATCH_SIZE);
try {
long ts = System.currentTimeMillis();
long startTime = ts;
nextData = reader.take();
do {
if (nextData != null) {
data = nextData;
nextData = reader.take();
if (data != null) {
processInfo.setCurrentTableName(data.getTableName());
processInfo.incrementCurrentDataCount();
if (data.isPreRouted()) {
context.addData(data.getDataId());
} else {
boolean atTransactionBoundary = false;
if (nextData != null) {
String nextTxId = nextData.getTransactionId();
atTransactionBoundary = nextTxId == null
|| !nextTxId.equals(data.getTransactionId());
}
context.setEncountedTransactionBoundary(atTransactionBoundary);
statsDataCount++;
totalDataCount++;
int dataEventsInserted = routeData(processInfo, data, context);
statsDataEventCount += dataEventsInserted;
totalDataEventCount += dataEventsInserted;
}
long insertTs = System.currentTimeMillis();
try {
if (maxNumberOfEventsBeforeFlush <= context.getDataEventList().size()
|| context.isNeedsCommitted()) {
engine.getDataService().insertDataEvents(
context.getSqlTransaction(), context.getDataEventList());
context.clearDataEventsList();
}
if (context.isNeedsCommitted()) {
completeBatchesAndCommit(context);
}
} finally {
context.incrementStat(System.currentTimeMillis() - insertTs,
ChannelRouterContext.STAT_INSERT_DATA_EVENTS_MS);
if (statsDataCount > StatisticConstants.FLUSH_SIZE_ROUTER_DATA) {
engine.getStatisticManager().incrementDataRouted(
context.getChannel().getChannelId(), statsDataCount);
statsDataCount = 0;
engine.getStatisticManager().incrementDataEventInserted(
context.getChannel().getChannelId(), statsDataEventCount);
statsDataEventCount = 0;
}
}
long routeTs = System.currentTimeMillis() - ts;
if (routeTs > LOG_PROCESS_SUMMARY_THRESHOLD) {
engine.getClusterService().refreshLock(ClusterConstants.ROUTE);
log.info(
"Routing for channel '{}' has been processing for {} seconds. The following stats have been gathered: "
+ "totalDataRoutedCount={}, totalDataEventCount={}, startDataId={}, endDataId={}, dataReadCount={}, peekAheadFillCount={}, dataGaps={}",
new Object[] { context.getChannel().getChannelId(), ((System.currentTimeMillis()-startTime) / 1000), totalDataCount, totalDataEventCount, context.getStartDataId(),
context.getEndDataId(), context.getDataReadCount(), context.getPeekAheadFillCount(),
FormatUtils.abbreviateForLogging(context.getDataGaps(), MAX_LOGGING_LENGTH)
});
ts = System.currentTimeMillis();
}
context.setLastDataProcessed(data);
}
} else {
data = null;
}
} while (data != null);
long routeTime = System.currentTimeMillis() - startTime;
if (routeTime > 60000 && context != null) {
log.info(
"Done routing for channel '{}' which took {} seconds",
new Object[] { context.getChannel().getChannelId(), ((System.currentTimeMillis() - startTime) / 1000) });
ts = System.currentTimeMillis();
}
} finally {
reader.setReading(false);
if (statsDataCount > 0) {
engine.getStatisticManager().incrementDataRouted(
context.getChannel().getChannelId(), statsDataCount);
}
if (statsDataEventCount > 0) {
engine.getStatisticManager().incrementDataEventInserted(
context.getChannel().getChannelId(), statsDataEventCount);
}
}
context.incrementStat(totalDataCount, ChannelRouterContext.STAT_DATA_ROUTED_COUNT);
return totalDataEventCount;
}
@SuppressWarnings("unchecked")
protected int routeData(ProcessInfo processInfo, Data data, ChannelRouterContext context) {
int numberOfDataEventsInserted = 0;
List<TriggerRouter> triggerRouters = getTriggerRoutersForData(data);
Table table = symmetricDialect.getTable(data.getTriggerHistory(), true);
if (table == null) {
table = buildTableFromTriggerHistory(data.getTriggerHistory());
}
if (triggerRouters != null && triggerRouters.size() > 0) {
boolean isUnrouted = false;
boolean alreadyInsertedUnrouted = false;
for (TriggerRouter triggerRouter : triggerRouters) {
DataMetaData dataMetaData = new DataMetaData(data, table, triggerRouter.getRouter(),
context.getChannel());
Collection<String> nodeIds = null;
if (!context.getChannel().isIgnoreEnabled()
&& triggerRouter.isRouted(data.getDataEventType())) {
String targetNodeIds = data.getNodeList();
if (StringUtils.isNotBlank(targetNodeIds)) {
List<String> targetNodeIdsList = Arrays.asList(targetNodeIds.split(","));
nodeIds = CollectionUtils.intersection(targetNodeIdsList, toNodeIds(findAvailableNodes(triggerRouter, context)));
if (nodeIds.size() == 0) {
log.info(
"None of the target nodes specified in the data.node_list field ({}) were qualified nodes. Data id {} for table '{}' will not be routed using the {} router",
new Object[] {targetNodeIds, data.getDataId(), data.getTableName(), triggerRouter.getRouter().getRouterId() });
}
} else {
try {
IDataRouter dataRouter = getDataRouter(triggerRouter.getRouter());
context.addUsedDataRouter(dataRouter);
long ts = System.currentTimeMillis();
nodeIds = dataRouter.routeToNodes(context, dataMetaData,
findAvailableNodes(triggerRouter, context), false, false,
triggerRouter);
context.incrementStat(System.currentTimeMillis() - ts,
ChannelRouterContext.STAT_DATA_ROUTER_MS);
} catch (DelayRoutingException ex) {
throw ex;
} catch (RuntimeException ex) {
if (ex instanceof ProtocolException && !context.getChannel().getChannel().isContainsBigLob()
&& !context.isOverrideContainsBigLob()) {
log.warn(ex.getMessage() + " If this happens often, it might be better to isolate the table with sym_channel.contains_big_lobs enabled.");
throw ex;
}
StringBuilder failureMessage = new StringBuilder(
"Failed to route data: ");
failureMessage.append(data.getDataId());
failureMessage.append(" for table: ");
failureMessage.append(data.getTableName());
failureMessage.append(".\n");
data.writeCsvDataDetails(failureMessage);
throw new SymmetricException(failureMessage.toString(), ex);
}
}
if (nodeIds != null) {
if (!triggerRouter.isPingBackEnabled() && data.getSourceNodeId() != null) {
nodeIds.remove(data.getSourceNodeId());
}
// should never route to self
nodeIds.remove(engine.getNodeService().findIdentityNodeId());
}
}
isUnrouted = (nodeIds == null || nodeIds.size() == 0);
if (!isUnrouted || !alreadyInsertedUnrouted) {
numberOfDataEventsInserted += insertDataEvents(processInfo, context, dataMetaData, nodeIds);
if (isUnrouted) {
alreadyInsertedUnrouted = true;
}
}
}
} else {
Integer triggerHistId = data.getTriggerHistory() != null ? data.getTriggerHistory().getTriggerHistoryId() : -1;
CounterStat counterStat = missingTriggerRouter.get(triggerHistId);
if (counterStat == null) {
counterStat = new CounterStat(data);
missingTriggerRouter.put(triggerHistId, counterStat);
}
counterStat.incrementCount();
numberOfDataEventsInserted += insertDataEvents(processInfo, context, new DataMetaData(data, table,
null, context.getChannel()), new HashSet<String>(0));
}
context.incrementStat(numberOfDataEventsInserted,
ChannelRouterContext.STAT_DATA_EVENTS_INSERTED);
return numberOfDataEventsInserted;
}
protected int insertDataEvents(ProcessInfo processInfo, ChannelRouterContext context, DataMetaData dataMetaData,
Collection<String> nodeIds) {
final long ts = System.currentTimeMillis();
final String tableName = dataMetaData.getTable().getNameLowerCase();
final DataEventType eventType = dataMetaData.getData().getDataEventType();
Map<String, OutgoingBatch> batches = null;
long batchIdToReuse = -1;
long loadId = -1;
boolean dataEventAdded = false;
boolean useCommonMode = context.isProduceCommonBatches() || context.isProduceGroupBatches();
boolean firstTimeForGroup = false;
int numberOfDataEventsInserted = 0;
if (nodeIds == null || nodeIds.size() == 0) {
nodeIds = new HashSet<String>(1);
nodeIds.add(Constants.UNROUTED_NODE_ID);
}
if (context.isProduceGroupBatches()) {
Map<Integer, Map<String, OutgoingBatch>> batchesByGroups = context.getBatchesByGroups();
int groupKey = nodeIds.hashCode();
batches = batchesByGroups.get(groupKey);
if (batches == null) {
batches = new HashMap<String, OutgoingBatch>();
batchesByGroups.put(groupKey, batches);
firstTimeForGroup = true;
}
useCommonMode = nodeIds.size() > 1;
} else {
batches = context.getBatchesByNodes();
}
if (eventType == DataEventType.RELOAD) {
loadId = context.getLastLoadId();
if (loadId < 0) {
loadId = engine.getSequenceService().nextVal(Constants.SEQUENCE_OUTGOING_BATCH_LOAD_ID);
context.setLastLoadId(loadId);
}
if (context.getChannel().isReloadFlag()) {
context.setNeedsCommitted(true);
}
} else if (eventType == DataEventType.CREATE) {
if (dataMetaData.getData().getPkData() != null) {
try {
loadId = Long.parseLong(dataMetaData.getData().getPkData());
} catch (NumberFormatException e) {
}
}
context.setNeedsCommitted(true);
} else {
context.setLastLoadId(-1);
}
for (String nodeId : nodeIds) {
if (nodeId != null) {
OutgoingBatch batch = batches.get(nodeId);
if (batch == null) {
batch = new OutgoingBatch(nodeId, dataMetaData.getNodeChannel().getChannelId(), Status.RT);
batch.setBatchId(batchIdToReuse);
batch.setCommonFlag(useCommonMode);
if (log.isDebugEnabled()) {
log.debug("About to insert a new batch for node {} on the '{}' channel. Batches in progress are: {}.",
nodeId, batch.getChannelId(), batches.values());
}
if (useCommonMode && !firstTimeForGroup) {
throw new CommonBatchCollisionException("Collision detected for common batch group");
}
engine.getOutgoingBatchService().insertOutgoingBatch(batch);
processInfo.incrementBatchCount();
batches.put(nodeId, batch);
// if in reuse mode, then share the batch id
if (useCommonMode) {
batchIdToReuse = batch.getBatchId();
}
}