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HBASE-26715 Blocked on SyncFuture in AsyncProtobufLogWriter#write (#4184) 

Co-authored-by: Bryan Beaudreault <bbeaudreault@gmail.com>
Signed-off-by: Duo Zhang <zhangduo@apache.org>
Signed-off-by: Viraj Jasani<virajjasani@apache.org>
Signed-off-by: Xiaolin Ha <haxiaolin@apache.org>
This commit is contained in:
Andrew Purtell 2022-03-10 11:55:38 -08:00
parent 1fca21722b
commit bfae8539bf
2 changed files with 21 additions and 8 deletions
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23
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/AsyncProtobufLogWriter.java
View File

@ -25,14 +25,18 @@ import java.io.OutputStream;
import java.nio.ByteBuffer;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import java.util.function.Consumer;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hbase.Cell;
import org.apache.hadoop.hbase.HBaseConfiguration;
import org.apache.hadoop.hbase.io.ByteBufferWriter;
import org.apache.hadoop.hbase.io.asyncfs.AsyncFSOutput;
import org.apache.hadoop.hbase.io.asyncfs.AsyncFSOutputHelper;
import org.apache.hadoop.hbase.util.CommonFSUtils.StreamLacksCapabilityException;
import org.apache.hadoop.hbase.wal.AbstractWALRoller;
import org.apache.hadoop.hbase.wal.AsyncFSWALProvider;
import org.apache.hadoop.hbase.wal.WAL.Entry;
import org.apache.yetus.audience.InterfaceAudience;
@ -107,11 +111,20 @@ public class AsyncProtobufLogWriter extends AbstractProtobufLogWriter
}
private OutputStream asyncOutputWrapper;
private long waitTimeout;
public AsyncProtobufLogWriter(EventLoopGroup eventLoopGroup,
Class<? extends Channel> channelClass) {
this.eventLoopGroup = eventLoopGroup;
this.channelClass = channelClass;
// Reuse WAL_ROLL_WAIT_TIMEOUT here to avoid an infinite wait if somehow a wait on a future
// never completes. The objective is the same. We want to propagate an exception to trigger
// an abort if we seem to be hung.
if (this.conf == null) {
this.conf = HBaseConfiguration.create();
}
this.waitTimeout = this.conf.getLong(AbstractWALRoller.WAL_ROLL_WAIT_TIMEOUT,
AbstractWALRoller.DEFAULT_WAL_ROLL_WAIT_TIMEOUT);
}
/*
@ -182,16 +195,16 @@ public class AsyncProtobufLogWriter extends AbstractProtobufLogWriter
this.asyncOutputWrapper = new OutputStreamWrapper(output);
}
private long write(Consumer<CompletableFuture<Long>> action) throws IOException {
private long writeWALMetadata(Consumer<CompletableFuture<Long>> action) throws IOException {
CompletableFuture<Long> future = new CompletableFuture<>();
action.accept(future);
try {
return future.get().longValue();
return future.get(waitTimeout, TimeUnit.MILLISECONDS).longValue();
} catch (InterruptedException e) {
InterruptedIOException ioe = new InterruptedIOException();
ioe.initCause(e);
throw ioe;
} catch (ExecutionException e) {
} catch (ExecutionException | TimeoutException e) {
Throwables.propagateIfPossible(e.getCause(), IOException.class);
throw new RuntimeException(e.getCause());
}
@ -199,7 +212,7 @@ public class AsyncProtobufLogWriter extends AbstractProtobufLogWriter
@Override
protected long writeMagicAndWALHeader(byte[] magic, WALHeader header) throws IOException {
return write(future -> {
return writeWALMetadata(future -> {
output.write(magic);
try {
header.writeDelimitedTo(asyncOutputWrapper);
@ -219,7 +232,7 @@ public class AsyncProtobufLogWriter extends AbstractProtobufLogWriter
@Override
protected long writeWALTrailerAndMagic(WALTrailer trailer, byte[] magic) throws IOException {
return write(future -> {
return writeWALMetadata(future -> {
try {
trailer.writeTo(asyncOutputWrapper);
} catch (IOException e) {

6
hbase-server/src/main/java/org/apache/hadoop/hbase/wal/AbstractWALRoller.java
View File

@ -62,8 +62,8 @@ public abstract class AbstractWALRoller<T extends Abortable> extends Thread
/**
* Configure for the timeout of log rolling retry.
*/
protected static final String WAL_ROLL_WAIT_TIMEOUT =
"hbase.regionserver.logroll.wait.timeout.ms";
public static final String WAL_ROLL_WAIT_TIMEOUT = "hbase.regionserver.logroll.wait.timeout.ms";
public static final long DEFAULT_WAL_ROLL_WAIT_TIMEOUT = 30000;
/**
* Configure for the max count of log rolling retry.
@ -130,7 +130,7 @@ public abstract class AbstractWALRoller<T extends Abortable> extends Thread
this.threadWakeFrequency = conf.getInt(HConstants.THREAD_WAKE_FREQUENCY, 10 * 1000);
this.checkLowReplicationInterval =
conf.getLong("hbase.regionserver.hlog.check.lowreplication.interval", 30 * 1000);
this.rollWaitTimeout = conf.getLong(WAL_ROLL_WAIT_TIMEOUT, 30000);
this.rollWaitTimeout = conf.getLong(WAL_ROLL_WAIT_TIMEOUT, DEFAULT_WAL_ROLL_WAIT_TIMEOUT);
// retry rolling does not have to be the default behavior, so the default value is 0 here
this.maxRollRetry = conf.getInt(WAL_ROLL_RETRIES, 0);
}