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HDFS-16457. Make fs.getspaceused.classname reconfigurable (apache#4069) (#4156)

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singer-bin 2022-04-11 13:59:34 +08:00 committed by GitHub
parent 603367c54f
commit 26705bbc60
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4 changed files with 69 additions and 6 deletions
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35
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java
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@ -22,6 +22,7 @@ import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_BLOCKREPORT_INITIAL_DELAY
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_BLOCKREPORT_INITIAL_DELAY_KEY;
import static org.apache.hadoop.fs.CommonConfigurationKeysPublic.FS_DU_INTERVAL_DEFAULT;
import static org.apache.hadoop.fs.CommonConfigurationKeysPublic.FS_DU_INTERVAL_KEY;
import static org.apache.hadoop.fs.CommonConfigurationKeysPublic.FS_GETSPACEUSED_CLASSNAME;
import static org.apache.hadoop.fs.CommonConfigurationKeysPublic.FS_GETSPACEUSED_JITTER_DEFAULT;
import static org.apache.hadoop.fs.CommonConfigurationKeysPublic.FS_GETSPACEUSED_JITTER_KEY;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_BLOCKREPORT_INTERVAL_MSEC_KEY;
@ -84,6 +85,9 @@ import static org.apache.hadoop.util.Preconditions.checkNotNull;
import static org.apache.hadoop.util.Time.now;
import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
import org.apache.hadoop.fs.DU;
import org.apache.hadoop.fs.GetSpaceUsed;
import org.apache.hadoop.fs.WindowsGetSpaceUsed;
import org.apache.hadoop.hdfs.protocol.proto.ReconfigurationProtocolProtos.ReconfigurationProtocolService;
import java.io.BufferedOutputStream;
@ -243,6 +247,7 @@ import org.apache.hadoop.util.DiskChecker.DiskErrorException;
import org.apache.hadoop.util.GenericOptionsParser;
import org.apache.hadoop.util.JvmPauseMonitor;
import org.apache.hadoop.util.ServicePlugin;
import org.apache.hadoop.util.Shell;
import org.apache.hadoop.util.StringUtils;
import org.apache.hadoop.util.Time;
import org.apache.hadoop.util.Timer;
@ -352,7 +357,8 @@ public class DataNode extends ReconfigurableBase
DFS_DATANODE_MIN_OUTLIER_DETECTION_DISKS_KEY,
DFS_DATANODE_SLOWDISK_LOW_THRESHOLD_MS_KEY,
FS_DU_INTERVAL_KEY,
FS_GETSPACEUSED_JITTER_KEY));
FS_GETSPACEUSED_JITTER_KEY,
FS_GETSPACEUSED_CLASSNAME));
public static final Log METRICS_LOG = LogFactory.getLog("DataNodeMetricsLog");
@ -678,6 +684,7 @@ public class DataNode extends ReconfigurableBase
return reconfSlowDiskParameters(property, newVal);
case FS_DU_INTERVAL_KEY:
case FS_GETSPACEUSED_JITTER_KEY:
case FS_GETSPACEUSED_CLASSNAME:
return reconfDfsUsageParameters(property, newVal);
default:
break;
@ -874,7 +881,7 @@ public class DataNode extends ReconfigurableBase
for (FsVolumeImpl fsVolume : volumeList) {
Map<String, BlockPoolSlice> blockPoolSlices = fsVolume.getBlockPoolSlices();
for (BlockPoolSlice value : blockPoolSlices.values()) {
value.updateDfsUsageConfig(interval, null);
value.updateDfsUsageConfig(interval, null, null);
}
}
} else if (property.equals(FS_GETSPACEUSED_JITTER_KEY)) {
@ -886,13 +893,33 @@ public class DataNode extends ReconfigurableBase
for (FsVolumeImpl fsVolume : volumeList) {
Map<String, BlockPoolSlice> blockPoolSlices = fsVolume.getBlockPoolSlices();
for (BlockPoolSlice value : blockPoolSlices.values()) {
value.updateDfsUsageConfig(null, jitter);
value.updateDfsUsageConfig(null, jitter, null);
}
}
} else if (property.equals(FS_GETSPACEUSED_CLASSNAME)) {
Preconditions.checkNotNull(data, "FsDatasetSpi has not been initialized.");
Class<? extends GetSpaceUsed> klass;
if (newVal == null) {
if (Shell.WINDOWS) {
klass = DU.class;
} else {
klass = WindowsGetSpaceUsed.class;
}
} else {
klass = Class.forName(newVal).asSubclass(GetSpaceUsed.class);
}
result = klass.getName();
List<FsVolumeImpl> volumeList = data.getVolumeList();
for (FsVolumeImpl fsVolume : volumeList) {
Map<String, BlockPoolSlice> blockPoolSlices = fsVolume.getBlockPoolSlices();
for (BlockPoolSlice value : blockPoolSlices.values()) {
value.updateDfsUsageConfig(null, null, klass);
}
}
}
LOG.info("RECONFIGURE* changed {} to {}", property, newVal);
return result;
} catch (IllegalArgumentException | IOException e) {
} catch (IllegalArgumentException | IOException | ClassNotFoundException e) {
throw new ReconfigurationException(property, newVal, getConf().get(property), e);
}
}

7
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/BlockPoolSlice.java
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@ -80,6 +80,7 @@ import org.apache.hadoop.util.Timer;
import org.apache.hadoop.thirdparty.com.google.common.annotations.VisibleForTesting;
import static org.apache.hadoop.fs.CommonConfigurationKeysPublic.FS_DU_INTERVAL_KEY;
import static org.apache.hadoop.fs.CommonConfigurationKeysPublic.FS_GETSPACEUSED_CLASSNAME;
import static org.apache.hadoop.fs.CommonConfigurationKeysPublic.FS_GETSPACEUSED_JITTER_KEY;
/**
@ -236,7 +237,8 @@ public class BlockPoolSlice {
SHUTDOWN_HOOK_PRIORITY);
}
public void updateDfsUsageConfig(Long interval, Long jitter) throws IOException {
public void updateDfsUsageConfig(Long interval, Long jitter, Class<? extends GetSpaceUsed> klass)
throws IOException {
// Close the old dfsUsage if it is CachingGetSpaceUsed.
if (dfsUsage instanceof CachingGetSpaceUsed) {
((CachingGetSpaceUsed) dfsUsage).close();
@ -251,6 +253,9 @@ public class BlockPoolSlice {
FS_GETSPACEUSED_JITTER_KEY + " should be larger than or equal to 0");
config.setLong(FS_GETSPACEUSED_JITTER_KEY, jitter);
}
if (klass != null) {
config.setClass(FS_GETSPACEUSED_CLASSNAME, klass, CachingGetSpaceUsed.class);
}
// Start new dfsUsage.
this.dfsUsage = new FSCachingGetSpaceUsed.Builder().setBpid(bpid)
.setVolume(volume)

31
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeReconfiguration.java
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@ -21,6 +21,7 @@ package org.apache.hadoop.hdfs.server.datanode;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_BLOCKREPORT_INITIAL_DELAY_KEY;
import static org.apache.hadoop.fs.CommonConfigurationKeysPublic.FS_DU_INTERVAL_DEFAULT;
import static org.apache.hadoop.fs.CommonConfigurationKeysPublic.FS_DU_INTERVAL_KEY;
import static org.apache.hadoop.fs.CommonConfigurationKeysPublic.FS_GETSPACEUSED_CLASSNAME;
import static org.apache.hadoop.fs.CommonConfigurationKeysPublic.FS_GETSPACEUSED_JITTER_DEFAULT;
import static org.apache.hadoop.fs.CommonConfigurationKeysPublic.FS_GETSPACEUSED_JITTER_KEY;
import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_BLOCKREPORT_INTERVAL_MSEC_DEFAULT;
@ -86,6 +87,7 @@ public class TestDataNodeReconfiguration {
private final int NUM_NAME_NODE = 1;
private final int NUM_DATA_NODE = 10;
private MiniDFSCluster cluster;
private static long counter = 0;
@Before
public void Setup() throws IOException {
@ -756,4 +758,33 @@ public class TestDataNodeReconfiguration {
}
}
}
public static class DummyCachingGetSpaceUsed extends CachingGetSpaceUsed {
public DummyCachingGetSpaceUsed(Builder builder) throws IOException {
super(builder.setInterval(1000).setJitter(0L));
}
@Override
protected void refresh() {
counter++;
}
}
@Test
public void testDfsUsageKlass() throws ReconfigurationException, InterruptedException {
long lastCounter = counter;
Thread.sleep(5000);
assertEquals(lastCounter, counter);
for (int i = 0; i < NUM_DATA_NODE; i++) {
DataNode dn = cluster.getDataNodes().get(i);
dn.reconfigurePropertyImpl(FS_GETSPACEUSED_CLASSNAME,
DummyCachingGetSpaceUsed.class.getName());
}
lastCounter = counter;
Thread.sleep(5000);
assertTrue(counter > lastCounter);
}
}

2
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/TestDFSAdmin.java
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@ -331,7 +331,7 @@ public class TestDFSAdmin {
final List<String> outs = Lists.newArrayList();
final List<String> errs = Lists.newArrayList();
getReconfigurableProperties("datanode", address, outs, errs);
assertEquals(18, outs.size());
assertEquals(19, outs.size());
assertEquals(DFSConfigKeys.DFS_DATANODE_DATA_DIR_KEY, outs.get(1));
}