gatk-3.8/java/src/org/broadinstitute/sting/gatk/executive/MicroScheduler.java

282 lines
12 KiB
Java
Executable File

/*
* Copyright (c) 2009 The Broad Institute
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
package org.broadinstitute.sting.gatk.executive;
import org.apache.log4j.Logger;
import org.broadinstitute.sting.gatk.datasources.shards.Shard;
import org.broadinstitute.sting.gatk.datasources.shards.ShardStrategy;
import org.broadinstitute.sting.gatk.datasources.simpleDataSources.ReferenceOrderedDataSource;
import org.broadinstitute.sting.gatk.datasources.simpleDataSources.SAMDataSource;
import org.broadinstitute.sting.gatk.traversals.*;
import org.broadinstitute.sting.gatk.walkers.*;
import org.broadinstitute.sting.gatk.io.OutputTracker;
import org.broadinstitute.sting.gatk.iterators.StingSAMIterator;
import org.broadinstitute.sting.gatk.iterators.NullSAMIterator;
import org.broadinstitute.sting.gatk.GenomeAnalysisEngine;
import org.broadinstitute.sting.gatk.ReadMetrics;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.OutputStream;
import java.io.PrintStream;
import java.lang.management.ManagementFactory;
import java.util.*;
import net.sf.picard.reference.IndexedFastaSequenceFile;
import org.broadinstitute.sting.utils.GenomeLoc;
import org.broadinstitute.sting.utils.exceptions.ReviewedStingException;
import org.broadinstitute.sting.utils.exceptions.UserException;
import org.broadinstitute.sting.utils.threading.*;
import javax.management.JMException;
import javax.management.MBeanServer;
import javax.management.ObjectName;
/**
* Created by IntelliJ IDEA.
* User: mhanna
* Date: Apr 26, 2009
* Time: 12:37:23 PM
*
* General base class for all scheduling algorithms
*/
/** Shards and schedules data in manageable chunks. */
public abstract class MicroScheduler implements MicroSchedulerMBean {
protected static Logger logger = Logger.getLogger(MicroScheduler.class);
/**
* Counts the number of instances of the class that are currently alive.
*/
private static int instanceNumber = 0;
/**
* The engine invoking this scheduler.
*/
protected final GenomeAnalysisEngine engine;
protected final TraversalEngine traversalEngine;
protected final IndexedFastaSequenceFile reference;
private final SAMDataSource reads;
protected final Collection<ReferenceOrderedDataSource> rods;
private final MBeanServer mBeanServer;
private final ObjectName mBeanName;
protected GenomeLocProcessingTracker processingTracker;
/**
* MicroScheduler factory function. Create a microscheduler appropriate for reducing the
* selected walker.
*
* @param walker Which walker to use.
* @param reads the informations associated with the reads
* @param reference the reference file
* @param rods the rods to include in the traversal
* @param nThreadsToUse Number of threads to utilize.
*
* @return The best-fit microscheduler.
*/
public static MicroScheduler create(GenomeAnalysisEngine engine, Walker walker, SAMDataSource reads, IndexedFastaSequenceFile reference, Collection<ReferenceOrderedDataSource> rods, int nThreadsToUse) {
if (engine.getArguments().processingTrackerFile != null) {
if ( walker instanceof ReadWalker )
throw new UserException.BadArgumentValue("C", String.format("Distributed GATK processing not enabled for read walkers"));
}
if (walker instanceof TreeReducible && nThreadsToUse > 1) {
if(walker.isReduceByInterval())
throw new UserException.BadArgumentValue("nt", String.format("The analysis %s aggregates results by interval. Due to a current limitation of the GATK, analyses of this type do not currently support parallel execution. Please run your analysis without the -nt option.", engine.getWalkerName(walker.getClass())));
if(walker instanceof ReadWalker)
throw new UserException.BadArgumentValue("nt", String.format("The analysis %s is a read walker. Due to a current limitation of the GATK, analyses of this type do not currently support parallel execution. Please run your analysis without the -nt option.", engine.getWalkerName(walker.getClass())));
logger.info(String.format("Running the GATK in parallel mode with %d concurrent threads",nThreadsToUse));
return new HierarchicalMicroScheduler(engine, walker, reads, reference, rods, nThreadsToUse);
} else {
if(nThreadsToUse > 1)
throw new UserException.BadArgumentValue("nt", String.format("The analysis %s currently does not support parallel execution. Please run your analysis without the -nt option.", engine.getWalkerName(walker.getClass())));
return new LinearMicroScheduler(engine, walker, reads, reference, rods);
}
}
/**
* Create a microscheduler given the reads and reference.
*
* @param walker the walker to execute with
* @param reads The reads.
* @param reference The reference.
* @param rods the rods to include in the traversal
*/
protected MicroScheduler(GenomeAnalysisEngine engine, Walker walker, SAMDataSource reads, IndexedFastaSequenceFile reference, Collection<ReferenceOrderedDataSource> rods) {
this.engine = engine;
this.reads = reads;
this.reference = reference;
this.rods = rods;
if (walker instanceof ReadWalker) {
traversalEngine = new TraverseReads();
} else if (walker instanceof LocusWalker) {
traversalEngine = new TraverseLoci();
} else if (walker instanceof DuplicateWalker) {
traversalEngine = new TraverseDuplicates();
} else if (walker instanceof ReadPairWalker) {
traversalEngine = new TraverseReadPairs();
} else {
throw new UnsupportedOperationException("Unable to determine traversal type, the walker is an unknown type.");
}
traversalEngine.initialize(engine);
// JMX does not allow multiple instances with the same ObjectName to be registered with the same platform MXBean.
// To get around this limitation and since we have no job identifier at this point, register a simple counter that
// will count the number of instances of this object that have been created in this JVM.
int thisInstance = instanceNumber++;
mBeanServer = ManagementFactory.getPlatformMBeanServer();
try {
mBeanName = new ObjectName("org.broadinstitute.sting.gatk.executive:type=MicroScheduler,instanceNumber="+thisInstance);
mBeanServer.registerMBean(this, mBeanName);
}
catch (JMException ex) {
throw new ReviewedStingException("Unable to register microscheduler with JMX", ex);
}
// create the processing tracker
if ( engine.getArguments().processingTrackerFile != null ) {
if ( engine.getArguments().restartProcessingTracker && engine.getArguments().processingTrackerFile.exists() ) {
engine.getArguments().processingTrackerFile.delete();
logger.info("Deleting ProcessingTracker file " + engine.getArguments().processingTrackerFile);
}
PrintStream statusStream = null;
if ( engine.getArguments().processingTrackerStatusFile != null ) {
try {
statusStream = new PrintStream(new FileOutputStream(engine.getArguments().processingTrackerStatusFile));
} catch ( FileNotFoundException e) {
throw new UserException.CouldNotCreateOutputFile(engine.getArguments().processingTrackerStatusFile, e);
}
}
ClosableReentrantLock lock = new SharedFileThreadSafeLock(engine.getArguments().processingTrackerFile, engine.getArguments().processTrackerID);
processingTracker = new FileBackedGenomeLocProcessingTracker(engine.getArguments().processingTrackerFile, engine.getGenomeLocParser(), lock, statusStream) ;
logger.info("Creating ProcessingTracker using shared file " + engine.getArguments().processingTrackerFile + " process.id = " + engine.getName() + " CID = " + engine.getArguments().processTrackerID);
} else {
processingTracker = new NoOpGenomeLocProcessingTracker();
}
}
/**
* Walks a walker over the given list of intervals.
*
* @param walker Computation to perform over dataset.
* @param shardStrategy A strategy for sharding the data.
*
* @return the return type of the walker
*/
public abstract Object execute(Walker walker, ShardStrategy shardStrategy);
/**
* Retrieves the object responsible for tracking and managing output.
* @return An output tracker, for loading data in and extracting results. Will not be null.
*/
public abstract OutputTracker getOutputTracker();
/**
* Gets the an iterator over the given reads, which will iterate over the reads in the given shard.
* @param shard the shard to use when querying reads.
* @return an iterator over the reads specified in the shard.
*/
protected StingSAMIterator getReadIterator(Shard shard) {
return (!reads.isEmpty()) ? reads.seek(shard) : new NullSAMIterator();
}
/**
* Print summary information for the analysis.
* @param sum The final reduce output.
*/
protected void printOnTraversalDone(Object sum, ReadMetrics metrics) {
traversalEngine.printOnTraversalDone(metrics);
}
/**
* Gets the engine that created this microscheduler.
* @return The engine owning this microscheduler.
*/
public GenomeAnalysisEngine getEngine() { return engine; }
/**
* Returns data source maintained by this scheduler
* @return
*/
public SAMDataSource getSAMDataSource() { return reads; }
/**
* Returns the reference maintained by this scheduler.
* @return The reference maintained by this scheduler.
*/
public IndexedFastaSequenceFile getReference() { return reference; }
/**
* Gets the filename to which performance data is currently being written.
* @return Filename to which performance data is currently being written.
*/
public String getPerformanceLogFileName() {
return traversalEngine.getPerformanceLogFileName();
}
/**
* Set the filename of the log for performance. If set,
* @param fileName filename to use when writing performance data.
*/
public void setPerformanceLogFileName(String fileName) {
traversalEngine.setPerformanceLogFileName(fileName);
}
/**
* Gets the frequency with which performance data is written.
* @return Frequency, in seconds, of performance log writes.
*/
public long getPerformanceProgressPrintFrequencySeconds() {
return traversalEngine.getPerformanceProgressPrintFrequencySeconds();
}
/**
* How often should the performance log message be written?
* @param seconds number of seconds between messages indicating performance frequency.
*/
public void setPerformanceProgressPrintFrequencySeconds(long seconds) {
traversalEngine.setPerformanceProgressPrintFrequencySeconds(seconds);
}
protected void cleanup() {
try {
mBeanServer.unregisterMBean(mBeanName);
}
catch (JMException ex) {
throw new ReviewedStingException("Unable to unregister microscheduler with JMX", ex);
}
}
}