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HBASE-16661 Add last major compaction age to per-region metrics 

Signed-off-by: Gary Helmling <garyh@apache.org>
This commit is contained in:
Dustin Pho 2016-09-24 14:58:37 -07:00 committed by Gary Helmling
parent 66038b8c1a
commit 59ca4dad70
8 changed files with 43 additions and 8 deletions
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2
hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsRegionSource.java
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@ -29,10 +29,12 @@ public interface MetricsRegionSource extends Comparable<MetricsRegionSource> {
String SIZE_VALUE_NAME = "size";
String COMPACTIONS_COMPLETED_COUNT = "compactionsCompletedCount";
String COMPACTIONS_FAILED_COUNT = "compactionsFailedCount";
String LAST_MAJOR_COMPACTION_AGE = "lastMajorCompactionAge";
String NUM_BYTES_COMPACTED_COUNT = "numBytesCompactedCount";
String NUM_FILES_COMPACTED_COUNT = "numFilesCompactedCount";
String COMPACTIONS_COMPLETED_DESC = "Number of compactions that have completed.";
String COMPACTIONS_FAILED_DESC = "Number of compactions that have failed.";
String LAST_MAJOR_COMPACTION_DESC = "Age of the last major compaction in milliseconds.";
String NUM_BYTES_COMPACTED_DESC =
"Sum of filesize on all files entering a finished, successful or aborted, compaction";
String NUM_FILES_COMPACTED_DESC =

5
hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsRegionWrapper.java
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@ -100,6 +100,11 @@ public interface MetricsRegionWrapper {
long getNumCompactionsCompleted();
/**
* @return Age of the last major compaction
*/
long getLastMajorCompactionAge();
/**
* Returns the total number of compactions that have been reported as failed on this region.
* Note that a given compaction can be reported as both completed and failed if an exception

4
hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsRegionSourceImpl.java
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@ -268,6 +268,10 @@ public class MetricsRegionSourceImpl implements MetricsRegionSource {
regionNamePrefix + MetricsRegionSource.COMPACTIONS_FAILED_COUNT,
MetricsRegionSource.COMPACTIONS_FAILED_DESC),
this.regionWrapper.getNumCompactionsFailed());
mrb.addCounter(Interns.info(
regionNamePrefix + MetricsRegionSource.LAST_MAJOR_COMPACTION_AGE,
MetricsRegionSource.LAST_MAJOR_COMPACTION_DESC),
this.regionWrapper.getLastMajorCompactionAge());
mrb.addCounter(Interns.info(
regionNamePrefix + MetricsRegionSource.NUM_BYTES_COMPACTED_COUNT,
MetricsRegionSource.NUM_BYTES_COMPACTED_DESC),

5
hbase-hadoop2-compat/src/test/java/org/apache/hadoop/hbase/regionserver/TestMetricsRegionSourceImpl.java
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@ -143,6 +143,11 @@ public class TestMetricsRegionSourceImpl {
return 0;
}
@Override
public long getLastMajorCompactionAge() {
return 0;
}
@Override
public long getNumCompactionsCompleted() {
return 0;

9
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
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@ -1663,7 +1663,7 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
}
@Override
public long getOldestHfileTs(boolean majorCompactioOnly) throws IOException {
public long getOldestHfileTs(boolean majorCompactionOnly) throws IOException {
long result = Long.MAX_VALUE;
for (Store store : getStores()) {
Collection<StoreFile> storeFiles = store.getStorefiles();
@ -1673,12 +1673,9 @@ public class HRegion implements HeapSize, PropagatingConfigurationObserver, Regi
if (sfReader == null) continue;
HFile.Reader reader = sfReader.getHFileReader();
if (reader == null) continue;
if (majorCompactioOnly) {
if (majorCompactionOnly) {
byte[] val = reader.loadFileInfo().get(StoreFile.MAJOR_COMPACTION_KEY);
if (val == null) continue;
if (val == null || !Bytes.toBoolean(val)) {
continue;
}
if (val == null || !Bytes.toBoolean(val)) continue;
}
result = Math.min(result, reader.getFileContext().getFileCreateTime());
}

17
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsRegionWrapperImpl.java
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@ -25,15 +25,20 @@ import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.TimeUnit;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.hbase.classification.InterfaceAudience;
import org.apache.hadoop.hbase.CompatibilitySingletonFactory;
import org.apache.hadoop.hbase.HRegionInfo;
import org.apache.hadoop.hbase.HTableDescriptor;
import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
import org.apache.hadoop.metrics2.MetricsExecutor;
@InterfaceAudience.Private
public class MetricsRegionWrapperImpl implements MetricsRegionWrapper, Closeable {
private static final Log LOG = LogFactory.getLog(MetricsRegionWrapperImpl.class);
public static final int PERIOD = 45;
public static final String UNKNOWN = "unknown";
@ -135,6 +140,18 @@ public class MetricsRegionWrapperImpl implements MetricsRegionWrapper, Closeable
return this.region.compactionsFinished.get();
}
@Override
public long getLastMajorCompactionAge() {
long lastMajorCompactionTs = 0L;
try {
lastMajorCompactionTs = this.region.getOldestHfileTs(true);
} catch (IOException ioe) {
LOG.error("Could not load HFile info ", ioe);
}
long now = EnvironmentEdgeManager.currentTime();
return now - lastMajorCompactionTs;
}
@Override
public long getNumCompactionsFailed() {
return this.region.compactionsFailed.get();

4
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/Region.java
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@ -141,10 +141,10 @@ public interface Region extends ConfigurationObserver {
/**
* This can be used to determine the last time all files of this region were major compacted.
* @param majorCompactioOnly Only consider HFile that are the result of major compaction
* @param majorCompactionOnly Only consider HFile that are the result of major compaction
* @return the timestamp of the oldest HFile for all stores of this region
*/
long getOldestHfileTs(boolean majorCompactioOnly) throws IOException;
long getOldestHfileTs(boolean majorCompactionOnly) throws IOException;
/**
* @return map of column family names to max sequence id that was read from storage when this

5
hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/MetricsRegionWrapperStub.java
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@ -115,6 +115,11 @@ public class MetricsRegionWrapperStub implements MetricsRegionWrapper {
return 0;
}
@Override
public long getLastMajorCompactionAge() {
return 0;
}
@Override
public long getNumCompactionsFailed() {
return 0;