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Closes #20. Add a progress updating thread to the audit workload replay #23

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merged 1 commit into from
Apr 6, 2018
Merged

Closes #20. Add a progress updating thread to the audit workload replay #23

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16 changes: 15 additions & 1 deletion ...oad/src/main/java/com/linkedin/dynamometer/workloadgenerator/audit/AuditReplayMapper.java
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.DelayQueue;
import java.util.concurrent.ScheduledThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
Expand All @@ -24,6 +25,7 @@
import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.InputFormat;
import org.apache.hadoop.mapreduce.MRJobConfig;
import org.apache.hadoop.mapreduce.Mapper;
import org.apache.hadoop.mapreduce.lib.input.FileInputFormat;

Expand Down Expand Up @@ -137,6 +139,7 @@ public enum CommandType {
private DelayQueue<AuditReplayCommand> commandQueue;
private Function<Long, Long> relativeToAbsoluteTimestamp;
private AuditCommandParser commandParser;
private ScheduledThreadPoolExecutor progressExecutor;

@Override
public Class<? extends InputFormat> getInputFormat(Configuration conf) {
Expand Down Expand Up @@ -167,7 +170,7 @@ public boolean verifyConfigurations(Configuration conf) {
}

@Override
public void setup(Mapper.Context context) throws IOException {
public void setup(final Mapper.Context context) throws IOException {
Configuration conf = context.getConfiguration();
// WorkloadDriver ensures that the starttimestamp is set
startTimestampMs = conf.getLong(WorkloadDriver.START_TIMESTAMP_MS, -1);
Expand All @@ -189,6 +192,16 @@ public Long apply(Long input) {

LOG.info("Starting " + numThreads + " threads");

progressExecutor = new ScheduledThreadPoolExecutor(1);
// half of the timeout or once per minute if none specified
long progressFrequencyMs = conf.getLong(MRJobConfig.TASK_TIMEOUT, 2 * 60 * 1000) / 2;
progressExecutor.scheduleAtFixedRate(new Runnable() {
@Override
public void run() {
context.progress();
}
}, progressFrequencyMs, progressFrequencyMs, TimeUnit.MILLISECONDS);

threads = new ArrayList<>();
ConcurrentMap<String, FileSystem> fsCache = new ConcurrentHashMap<>();
commandQueue = new DelayQueue<>();
Expand Down Expand Up @@ -226,6 +239,7 @@ public void cleanup(Mapper.Context context) throws InterruptedException {
threadException = Optional.of(t.getException());
}
}
progressExecutor.shutdown();

if (threadException.isPresent()) {
throw new RuntimeException("Exception in AuditReplayThread", threadException.get());
Expand Down