HBASE-19503 Fix TestWALOpenAfterDNRollingStart for AsyncFSWAL
This commit is contained in:
zhangduo
parent
b682ea7c8a
commit
211f231b4a
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@ -380,7 +380,8 @@ public class FanOutOneBlockAsyncDFSOutput implements AsyncFSOutput {
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@Override
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public DatanodeInfo[] getPipeline() {
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return locations;
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State state = this.state;
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return state == State.STREAMING || state == State.CLOSING ? locations : new DatanodeInfo[0];
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}
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private void flushBuffer(CompletableFuture<Long> future, ByteBuf dataBuf,
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@ -27,16 +27,16 @@ import java.util.concurrent.locks.ReentrantLock;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.apache.yetus.audience.InterfaceAudience;
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import org.apache.hadoop.hbase.HConstants;
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import org.apache.hadoop.hbase.Server;
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import org.apache.hadoop.hbase.regionserver.wal.FSHLog;
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import org.apache.hadoop.hbase.regionserver.wal.AbstractFSWAL;
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import org.apache.hadoop.hbase.regionserver.wal.FailedLogCloseException;
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import org.apache.hadoop.hbase.wal.WAL;
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import org.apache.hadoop.hbase.regionserver.wal.WALActionsListener;
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import org.apache.hadoop.hbase.util.Bytes;
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import org.apache.hadoop.hbase.util.HasThread;
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import org.apache.hadoop.hbase.wal.WAL;
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import org.apache.hadoop.ipc.RemoteException;
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import org.apache.yetus.audience.InterfaceAudience;
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import org.apache.hadoop.hbase.shaded.com.google.common.annotations.VisibleForTesting;
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@ -122,14 +122,11 @@ public class LogRoller extends HasThread implements Closeable {
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try {
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for (Entry<WAL, Boolean> entry : walNeedsRoll.entrySet()) {
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WAL wal = entry.getKey();
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boolean neeRollAlready = entry.getValue();
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if(wal instanceof FSHLog && !neeRollAlready) {
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FSHLog hlog = (FSHLog)wal;
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if ((now - hlog.getLastTimeCheckLowReplication())
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> this.checkLowReplicationInterval) {
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hlog.checkLogRoll();
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}
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boolean needRollAlready = entry.getValue();
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if (needRollAlready || !(wal instanceof AbstractFSWAL)) {
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continue;
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}
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((AbstractFSWAL<?>) wal).checkLogLowReplication(checkLowReplicationInterval);
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}
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} catch (Throwable e) {
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LOG.warn("Failed checking low replication", e);
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@ -23,6 +23,7 @@ import static org.apache.hadoop.hbase.wal.AbstractFSWALProvider.WAL_FILE_NAME_DE
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import com.lmax.disruptor.RingBuffer;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.io.InterruptedIOException;
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import java.lang.management.MemoryType;
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@ -55,6 +56,7 @@ import org.apache.hadoop.fs.FileSystem;
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import org.apache.hadoop.fs.Path;
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import org.apache.hadoop.fs.PathFilter;
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import org.apache.hadoop.hbase.Cell;
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import org.apache.hadoop.hbase.HBaseConfiguration;
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import org.apache.hadoop.hbase.HConstants;
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import org.apache.hadoop.hbase.PrivateCellUtil;
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import org.apache.hadoop.hbase.client.RegionInfo;
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@ -67,13 +69,16 @@ import org.apache.hadoop.hbase.util.CollectionUtils;
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import org.apache.hadoop.hbase.util.CommonFSUtils;
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import org.apache.hadoop.hbase.util.DrainBarrier;
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import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
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import org.apache.hadoop.hbase.util.FSUtils;
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import org.apache.hadoop.hbase.util.Pair;
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import org.apache.hadoop.hbase.wal.AbstractFSWALProvider;
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import org.apache.hadoop.hbase.wal.WAL;
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import org.apache.hadoop.hbase.wal.WALEdit;
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import org.apache.hadoop.hbase.wal.WALFactory;
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import org.apache.hadoop.hbase.wal.WALKey;
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import org.apache.hadoop.hbase.wal.WALKeyImpl;
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import org.apache.hadoop.hbase.wal.WALPrettyPrinter;
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import org.apache.hadoop.hbase.wal.WALProvider.WriterBase;
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import org.apache.hadoop.hbase.wal.WALSplitter;
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import org.apache.hadoop.hdfs.protocol.DatanodeInfo;
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import org.apache.hadoop.util.StringUtils;
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import org.apache.htrace.core.TraceScope;
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@ -222,6 +227,9 @@ public abstract class AbstractFSWAL<W extends WriterBase> implements WAL {
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*/
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volatile W writer;
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// Last time to check low replication on hlog's pipeline
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private long lastTimeCheckLowReplication = EnvironmentEdgeManager.currentTime();
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protected volatile boolean closed = false;
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protected final AtomicBoolean shutdown = new AtomicBoolean(false);
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@ -256,8 +264,8 @@ public abstract class AbstractFSWAL<W extends WriterBase> implements WAL {
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* Map of WAL log file to properties. The map is sorted by the log file creation timestamp
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* (contained in the log file name).
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*/
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protected ConcurrentNavigableMap<Path, WalProps> walFile2Props = new ConcurrentSkipListMap<>(
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LOG_NAME_COMPARATOR);
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protected ConcurrentNavigableMap<Path, WalProps> walFile2Props =
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new ConcurrentSkipListMap<>(LOG_NAME_COMPARATOR);
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/**
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* Map of {@link SyncFuture}s keyed by Handler objects. Used so we reuse SyncFutures.
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@ -311,8 +319,8 @@ public abstract class AbstractFSWAL<W extends WriterBase> implements WAL {
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// be stuck and make no progress if the buffer is filled with appends only and there is no
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// sync. If no sync, then the handlers will be outstanding just waiting on sync completion
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// before they return.
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int preallocatedEventCount = this.conf.getInt("hbase.regionserver.wal.disruptor.event.count",
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1024 * 16);
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int preallocatedEventCount =
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this.conf.getInt("hbase.regionserver.wal.disruptor.event.count", 1024 * 16);
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checkArgument(preallocatedEventCount >= 0,
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"hbase.regionserver.wal.disruptor.event.count must > 0");
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int floor = Integer.highestOneBit(preallocatedEventCount);
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@ -346,12 +354,12 @@ public abstract class AbstractFSWAL<W extends WriterBase> implements WAL {
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}
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// If prefix is null||empty then just name it wal
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this.walFilePrefix = prefix == null || prefix.isEmpty() ? "wal"
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: URLEncoder.encode(prefix, "UTF8");
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this.walFilePrefix =
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prefix == null || prefix.isEmpty() ? "wal" : URLEncoder.encode(prefix, "UTF8");
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// we only correctly differentiate suffices when numeric ones start with '.'
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if (suffix != null && !(suffix.isEmpty()) && !(suffix.startsWith(WAL_FILE_NAME_DELIMITER))) {
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throw new IllegalArgumentException("WAL suffix must start with '" + WAL_FILE_NAME_DELIMITER
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+ "' but instead was '" + suffix + "'");
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throw new IllegalArgumentException("WAL suffix must start with '" + WAL_FILE_NAME_DELIMITER +
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"' but instead was '" + suffix + "'");
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}
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// Now that it exists, set the storage policy for the entire directory of wal files related to
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// this FSHLog instance
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@ -398,8 +406,8 @@ public abstract class AbstractFSWAL<W extends WriterBase> implements WAL {
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// (it costs a little x'ing bocks)
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final long blocksize = this.conf.getLong("hbase.regionserver.hlog.blocksize",
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CommonFSUtils.getDefaultBlockSize(this.fs, this.walDir));
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this.logrollsize = (long) (blocksize
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* conf.getFloat("hbase.regionserver.logroll.multiplier", 0.95f));
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this.logrollsize =
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(long) (blocksize * conf.getFloat("hbase.regionserver.logroll.multiplier", 0.95f));
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boolean maxLogsDefined = conf.get("hbase.regionserver.maxlogs") != null;
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if (maxLogsDefined) {
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@ -408,9 +416,9 @@ public abstract class AbstractFSWAL<W extends WriterBase> implements WAL {
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this.maxLogs = conf.getInt("hbase.regionserver.maxlogs",
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Math.max(32, calculateMaxLogFiles(conf, logrollsize)));
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LOG.info("WAL configuration: blocksize=" + StringUtils.byteDesc(blocksize) + ", rollsize="
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+ StringUtils.byteDesc(this.logrollsize) + ", prefix=" + this.walFilePrefix + ", suffix="
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+ walFileSuffix + ", logDir=" + this.walDir + ", archiveDir=" + this.walArchiveDir);
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LOG.info("WAL configuration: blocksize=" + StringUtils.byteDesc(blocksize) + ", rollsize=" +
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StringUtils.byteDesc(this.logrollsize) + ", prefix=" + this.walFilePrefix + ", suffix=" +
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walFileSuffix + ", logDir=" + this.walDir + ", archiveDir=" + this.walArchiveDir);
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this.slowSyncNs = TimeUnit.MILLISECONDS
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.toNanos(conf.getInt("hbase.regionserver.hlog.slowsync.ms", DEFAULT_SLOW_SYNC_TIME_MS));
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this.walSyncTimeoutNs = TimeUnit.MILLISECONDS
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@ -588,8 +596,8 @@ public abstract class AbstractFSWAL<W extends WriterBase> implements WAL {
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int logCount = getNumRolledLogFiles();
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if (logCount > this.maxLogs && logCount > 0) {
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Map.Entry<Path, WalProps> firstWALEntry = this.walFile2Props.firstEntry();
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regions = this.sequenceIdAccounting
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.findLower(firstWALEntry.getValue().encodedName2HighestSequenceId);
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regions =
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this.sequenceIdAccounting.findLower(firstWALEntry.getValue().encodedName2HighestSequenceId);
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}
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if (regions != null) {
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StringBuilder sb = new StringBuilder();
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@ -599,8 +607,8 @@ public abstract class AbstractFSWAL<W extends WriterBase> implements WAL {
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}
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sb.append(Bytes.toStringBinary(regions[i]));
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}
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LOG.info("Too many WALs; count=" + logCount + ", max=" + this.maxLogs + "; forcing flush of "
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+ regions.length + " regions(s): " + sb.toString());
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LOG.info("Too many WALs; count=" + logCount + ", max=" + this.maxLogs +
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"; forcing flush of " + regions.length + " regions(s): " + sb.toString());
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}
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return regions;
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}
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@ -688,8 +696,8 @@ public abstract class AbstractFSWAL<W extends WriterBase> implements WAL {
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this.walFile2Props.put(oldPath,
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new WalProps(this.sequenceIdAccounting.resetHighest(), oldFileLen));
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this.totalLogSize.addAndGet(oldFileLen);
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LOG.info("Rolled WAL " + CommonFSUtils.getPath(oldPath) + " with entries=" + oldNumEntries
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+ ", filesize=" + StringUtils.byteDesc(oldFileLen) + "; new WAL " + newPathString);
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LOG.info("Rolled WAL " + CommonFSUtils.getPath(oldPath) + " with entries=" + oldNumEntries +
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", filesize=" + StringUtils.byteDesc(oldFileLen) + "; new WAL " + newPathString);
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} else {
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LOG.info("New WAL " + newPathString);
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}
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@ -755,8 +763,8 @@ public abstract class AbstractFSWAL<W extends WriterBase> implements WAL {
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newPath = replaceWriter(oldPath, newPath, nextWriter);
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tellListenersAboutPostLogRoll(oldPath, newPath);
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if (LOG.isDebugEnabled()) {
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LOG.debug("Create new " + implClassName + " writer with pipeline: "
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+ Arrays.toString(getPipeline()));
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LOG.debug("Create new " + implClassName + " writer with pipeline: " +
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Arrays.toString(getPipeline()));
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}
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// Can we delete any of the old log files?
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if (getNumRolledLogFiles() > 0) {
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@ -766,8 +774,9 @@ public abstract class AbstractFSWAL<W extends WriterBase> implements WAL {
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} catch (CommonFSUtils.StreamLacksCapabilityException exception) {
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// If the underlying FileSystem can't do what we ask, treat as IO failure so
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// we'll abort.
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throw new IOException("Underlying FileSystem can't meet stream requirements. See RS log " +
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"for details.", exception);
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throw new IOException(
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"Underlying FileSystem can't meet stream requirements. See RS log " + "for details.",
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exception);
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} finally {
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closeBarrier.endOp();
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}
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@ -843,8 +852,8 @@ public abstract class AbstractFSWAL<W extends WriterBase> implements WAL {
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}
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}
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}
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LOG.debug("Moved " + files.length + " WAL file(s) to " +
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CommonFSUtils.getPath(this.walArchiveDir));
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LOG.debug(
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"Moved " + files.length + " WAL file(s) to " + CommonFSUtils.getPath(this.walArchiveDir));
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}
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LOG.info("Closed WAL: " + toString());
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}
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@ -979,8 +988,7 @@ public abstract class AbstractFSWAL<W extends WriterBase> implements WAL {
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@Override
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public String toString() {
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return implClassName + " " + walFilePrefix + ":" + walFileSuffix + "(num "
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+ filenum + ")";
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return implClassName + " " + walFilePrefix + ":" + walFileSuffix + "(num " + filenum + ")";
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}
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/**
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@ -1023,8 +1031,8 @@ public abstract class AbstractFSWAL<W extends WriterBase> implements WAL {
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protected abstract void doAppend(W writer, FSWALEntry entry) throws IOException;
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protected abstract W createWriterInstance(Path path) throws IOException,
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CommonFSUtils.StreamLacksCapabilityException;
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protected abstract W createWriterInstance(Path path)
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throws IOException, CommonFSUtils.StreamLacksCapabilityException;
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/**
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* @return old wal file size
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@ -1034,6 +1042,27 @@ public abstract class AbstractFSWAL<W extends WriterBase> implements WAL {
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protected abstract void doShutdown() throws IOException;
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protected abstract boolean doCheckLogLowReplication();
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public void checkLogLowReplication(long checkInterval) {
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long now = EnvironmentEdgeManager.currentTime();
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if (now - lastTimeCheckLowReplication < checkInterval) {
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return;
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}
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// Will return immediately if we are in the middle of a WAL log roll currently.
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if (!rollWriterLock.tryLock()) {
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return;
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}
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try {
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lastTimeCheckLowReplication = now;
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if (doCheckLogLowReplication()) {
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requestLogRoll(true);
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}
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} finally {
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rollWriterLock.unlock();
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}
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}
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/**
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* This method gets the pipeline for the current WAL.
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*/
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@ -1045,4 +1074,68 @@ public abstract class AbstractFSWAL<W extends WriterBase> implements WAL {
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*/
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@VisibleForTesting
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abstract int getLogReplication();
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private static void split(final Configuration conf, final Path p) throws IOException {
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FileSystem fs = FSUtils.getWALFileSystem(conf);
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if (!fs.exists(p)) {
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throw new FileNotFoundException(p.toString());
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}
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if (!fs.getFileStatus(p).isDirectory()) {
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throw new IOException(p + " is not a directory");
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}
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final Path baseDir = FSUtils.getWALRootDir(conf);
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Path archiveDir = new Path(baseDir, HConstants.HREGION_OLDLOGDIR_NAME);
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if (conf.getBoolean(AbstractFSWALProvider.SEPARATE_OLDLOGDIR,
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AbstractFSWALProvider.DEFAULT_SEPARATE_OLDLOGDIR)) {
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archiveDir = new Path(archiveDir, p.getName());
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}
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WALSplitter.split(baseDir, p, archiveDir, fs, conf, WALFactory.getInstance(conf));
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}
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private static void usage() {
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System.err.println("Usage: AbstractFSWAL <ARGS>");
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System.err.println("Arguments:");
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System.err.println(" --dump Dump textual representation of passed one or more files");
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System.err.println(" For example: " +
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"AbstractFSWAL --dump hdfs://example.com:9000/hbase/WALs/MACHINE/LOGFILE");
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System.err.println(" --split Split the passed directory of WAL logs");
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System.err.println(
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" For example: AbstractFSWAL --split hdfs://example.com:9000/hbase/WALs/DIR");
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}
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/**
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* Pass one or more log file names and it will either dump out a text version on
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* <code>stdout</code> or split the specified log files.
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*/
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public static void main(String[] args) throws IOException {
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if (args.length < 2) {
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usage();
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System.exit(-1);
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}
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// either dump using the WALPrettyPrinter or split, depending on args
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if (args[0].compareTo("--dump") == 0) {
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WALPrettyPrinter.run(Arrays.copyOfRange(args, 1, args.length));
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} else if (args[0].compareTo("--perf") == 0) {
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LOG.fatal("Please use the WALPerformanceEvaluation tool instead. i.e.:");
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LOG.fatal(
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"\thbase org.apache.hadoop.hbase.wal.WALPerformanceEvaluation --iterations " + args[1]);
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System.exit(-1);
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} else if (args[0].compareTo("--split") == 0) {
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Configuration conf = HBaseConfiguration.create();
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for (int i = 1; i < args.length; i++) {
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try {
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Path logPath = new Path(args[i]);
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FSUtils.setFsDefault(conf, logPath);
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split(conf, logPath);
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} catch (IOException t) {
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t.printStackTrace(System.err);
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System.exit(-1);
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}
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}
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} else {
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usage();
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System.exit(-1);
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}
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}
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}
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@ -58,7 +58,6 @@ import org.apache.hadoop.hbase.io.asyncfs.FanOutOneBlockAsyncDFSOutputHelper.Nam
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import org.apache.hadoop.hbase.trace.TraceUtil;
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import org.apache.hadoop.hbase.wal.AsyncFSWALProvider;
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import org.apache.hadoop.hbase.wal.WALEdit;
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import org.apache.hadoop.hbase.wal.WALKey;
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import org.apache.hadoop.hbase.wal.WALKeyImpl;
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import org.apache.hadoop.hbase.wal.WALProvider.AsyncWriter;
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import org.apache.hadoop.hdfs.protocol.DatanodeInfo;
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@ -564,8 +563,8 @@ public class AsyncFSWAL extends AbstractFSWAL<AsyncWriter> {
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@Override
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public long append(RegionInfo hri, WALKeyImpl key, WALEdit edits, boolean inMemstore)
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throws IOException {
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long txid = stampSequenceIdAndPublishToRingBuffer(hri, key, edits, inMemstore,
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waitingConsumePayloads);
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long txid =
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stampSequenceIdAndPublishToRingBuffer(hri, key, edits, inMemstore, waitingConsumePayloads);
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if (shouldScheduleConsumer()) {
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consumeExecutor.execute(consumer);
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}
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@ -746,4 +745,12 @@ public class AsyncFSWAL extends AbstractFSWAL<AsyncWriter> {
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int getLogReplication() {
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return getPipeline().length;
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}
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@Override
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protected boolean doCheckLogLowReplication() {
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// not like FSHLog, AsyncFSOutput will fail immediately if there are errors writing to DNs, so
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// typically there is no 'low replication' state, only a 'broken' state.
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AsyncFSOutput output = this.fsOut;
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return output != null && output.getPipeline().length == 0;
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}
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}
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@ -25,7 +25,6 @@ import com.lmax.disruptor.TimeoutException;
|
|||
import com.lmax.disruptor.dsl.Disruptor;
|
||||
import com.lmax.disruptor.dsl.ProducerType;
|
||||
|
||||
import java.io.FileNotFoundException;
|
||||
import java.io.IOException;
|
||||
import java.io.OutputStream;
|
||||
import java.util.Arrays;
|
||||
|
|
@ -42,25 +41,18 @@ import org.apache.hadoop.conf.Configuration;
|
|||
import org.apache.hadoop.fs.FSDataOutputStream;
|
||||
import org.apache.hadoop.fs.FileSystem;
|
||||
import org.apache.hadoop.fs.Path;
|
||||
import org.apache.hadoop.hbase.HBaseConfiguration;
|
||||
import org.apache.hadoop.hbase.HConstants;
|
||||
import org.apache.hadoop.hbase.client.RegionInfo;
|
||||
import org.apache.hadoop.hbase.trace.TraceUtil;
|
||||
import org.apache.hadoop.hbase.util.Bytes;
|
||||
import org.apache.hadoop.hbase.util.ClassSize;
|
||||
import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
|
||||
import org.apache.hadoop.hbase.util.FSUtils;
|
||||
import org.apache.hadoop.hbase.util.HasThread;
|
||||
import org.apache.hadoop.hbase.util.Threads;
|
||||
import org.apache.hadoop.hbase.wal.AbstractFSWALProvider;
|
||||
import org.apache.hadoop.hbase.wal.FSHLogProvider;
|
||||
import org.apache.hadoop.hbase.wal.WALEdit;
|
||||
import org.apache.hadoop.hbase.wal.WALFactory;
|
||||
import org.apache.hadoop.hbase.wal.WALKey;
|
||||
import org.apache.hadoop.hbase.wal.WALKeyImpl;
|
||||
import org.apache.hadoop.hbase.wal.WALPrettyPrinter;
|
||||
import org.apache.hadoop.hbase.wal.WALProvider.Writer;
|
||||
import org.apache.hadoop.hbase.wal.WALSplitter;
|
||||
import org.apache.hadoop.hdfs.DFSOutputStream;
|
||||
import org.apache.hadoop.hdfs.client.HdfsDataOutputStream;
|
||||
import org.apache.hadoop.hdfs.protocol.DatanodeInfo;
|
||||
|
|
@ -156,10 +148,6 @@ public class FSHLog extends AbstractFSWAL<Writer> {
|
|||
|
||||
private final AtomicInteger closeErrorCount = new AtomicInteger();
|
||||
|
||||
// Last time to check low replication on hlog's pipeline
|
||||
private volatile long lastTimeCheckLowReplication = EnvironmentEdgeManager.currentTime();
|
||||
|
||||
|
||||
/**
|
||||
* Exception handler to pass the disruptor ringbuffer. Same as native implementation only it logs
|
||||
* using our logger instead of java native logger.
|
||||
|
|
@ -627,14 +615,14 @@ public class FSHLog extends AbstractFSWAL<Writer> {
|
|||
/**
|
||||
* Schedule a log roll if needed.
|
||||
*/
|
||||
public void checkLogRoll() {
|
||||
private void checkLogRoll() {
|
||||
// Will return immediately if we are in the middle of a WAL log roll currently.
|
||||
if (!rollWriterLock.tryLock()) {
|
||||
return;
|
||||
}
|
||||
boolean lowReplication;
|
||||
try {
|
||||
lowReplication = checkLowReplication();
|
||||
lowReplication = doCheckLogLowReplication();
|
||||
} finally {
|
||||
rollWriterLock.unlock();
|
||||
}
|
||||
|
|
@ -646,9 +634,8 @@ public class FSHLog extends AbstractFSWAL<Writer> {
|
|||
/**
|
||||
* @return true if number of replicas for the WAL is lower than threshold
|
||||
*/
|
||||
private boolean checkLowReplication() {
|
||||
protected boolean doCheckLogLowReplication() {
|
||||
boolean logRollNeeded = false;
|
||||
this.lastTimeCheckLowReplication = EnvironmentEdgeManager.currentTime();
|
||||
// if the number of replicas in HDFS has fallen below the configured
|
||||
// value, then roll logs.
|
||||
try {
|
||||
|
|
@ -767,24 +754,6 @@ public class FSHLog extends AbstractFSWAL<Writer> {
|
|||
.align(ClassSize.OBJECT + (5 * ClassSize.REFERENCE) + ClassSize.ATOMIC_INTEGER
|
||||
+ Bytes.SIZEOF_INT + (3 * Bytes.SIZEOF_LONG));
|
||||
|
||||
private static void split(final Configuration conf, final Path p) throws IOException {
|
||||
FileSystem fs = FSUtils.getWALFileSystem(conf);
|
||||
if (!fs.exists(p)) {
|
||||
throw new FileNotFoundException(p.toString());
|
||||
}
|
||||
if (!fs.getFileStatus(p).isDirectory()) {
|
||||
throw new IOException(p + " is not a directory");
|
||||
}
|
||||
|
||||
final Path baseDir = FSUtils.getWALRootDir(conf);
|
||||
Path archiveDir = new Path(baseDir, HConstants.HREGION_OLDLOGDIR_NAME);
|
||||
if (conf.getBoolean(AbstractFSWALProvider.SEPARATE_OLDLOGDIR,
|
||||
AbstractFSWALProvider.DEFAULT_SEPARATE_OLDLOGDIR)) {
|
||||
archiveDir = new Path(archiveDir, p.getName());
|
||||
}
|
||||
WALSplitter.split(baseDir, p, archiveDir, fs, conf, WALFactory.getInstance(conf));
|
||||
}
|
||||
|
||||
/**
|
||||
* This class is used coordinating two threads holding one thread at a 'safe point' while the
|
||||
* orchestrating thread does some work that requires the first thread paused: e.g. holding the WAL
|
||||
|
|
@ -1118,52 +1087,6 @@ public class FSHLog extends AbstractFSWAL<Writer> {
|
|||
}
|
||||
}
|
||||
|
||||
private static void usage() {
|
||||
System.err.println("Usage: FSHLog <ARGS>");
|
||||
System.err.println("Arguments:");
|
||||
System.err.println(" --dump Dump textual representation of passed one or more files");
|
||||
System.err.println(" For example: "
|
||||
+ "FSHLog --dump hdfs://example.com:9000/hbase/WALs/MACHINE/LOGFILE");
|
||||
System.err.println(" --split Split the passed directory of WAL logs");
|
||||
System.err.println(
|
||||
" For example: " + "FSHLog --split hdfs://example.com:9000/hbase/WALs/DIR");
|
||||
}
|
||||
|
||||
/**
|
||||
* Pass one or more log file names and it will either dump out a text version on
|
||||
* <code>stdout</code> or split the specified log files.
|
||||
*/
|
||||
public static void main(String[] args) throws IOException {
|
||||
if (args.length < 2) {
|
||||
usage();
|
||||
System.exit(-1);
|
||||
}
|
||||
// either dump using the WALPrettyPrinter or split, depending on args
|
||||
if (args[0].compareTo("--dump") == 0) {
|
||||
WALPrettyPrinter.run(Arrays.copyOfRange(args, 1, args.length));
|
||||
} else if (args[0].compareTo("--perf") == 0) {
|
||||
LOG.fatal("Please use the WALPerformanceEvaluation tool instead. i.e.:");
|
||||
LOG.fatal(
|
||||
"\thbase org.apache.hadoop.hbase.wal.WALPerformanceEvaluation --iterations " + args[1]);
|
||||
System.exit(-1);
|
||||
} else if (args[0].compareTo("--split") == 0) {
|
||||
Configuration conf = HBaseConfiguration.create();
|
||||
for (int i = 1; i < args.length; i++) {
|
||||
try {
|
||||
Path logPath = new Path(args[i]);
|
||||
FSUtils.setFsDefault(conf, logPath);
|
||||
split(conf, logPath);
|
||||
} catch (IOException t) {
|
||||
t.printStackTrace(System.err);
|
||||
System.exit(-1);
|
||||
}
|
||||
}
|
||||
} else {
|
||||
usage();
|
||||
System.exit(-1);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* This method gets the pipeline for the current WAL.
|
||||
*/
|
||||
|
|
@ -1176,12 +1099,4 @@ public class FSHLog extends AbstractFSWAL<Writer> {
|
|||
}
|
||||
return new DatanodeInfo[0];
|
||||
}
|
||||
|
||||
/**
|
||||
*
|
||||
* @return last time on checking low replication
|
||||
*/
|
||||
public long getLastTimeCheckLowReplication() {
|
||||
return this.lastTimeCheckLowReplication;
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -29,13 +29,11 @@ import org.apache.hadoop.fs.FileSystem;
|
|||
import org.apache.hadoop.fs.Path;
|
||||
import org.apache.hadoop.hbase.HBaseInterfaceAudience;
|
||||
import org.apache.hadoop.hbase.TableName;
|
||||
import org.apache.yetus.audience.InterfaceAudience;
|
||||
import org.apache.hadoop.hbase.io.util.LRUDictionary;
|
||||
import org.apache.hadoop.hbase.util.FSUtils;
|
||||
import org.apache.hadoop.hbase.wal.AbstractFSWALProvider;
|
||||
import org.apache.hadoop.hbase.wal.WAL.Entry;
|
||||
import org.apache.hadoop.hbase.wal.WALEdit;
|
||||
import org.apache.hadoop.hbase.wal.WALKeyImpl;
|
||||
import org.apache.yetus.audience.InterfaceAudience;
|
||||
|
||||
@InterfaceAudience.LimitedPrivate({HBaseInterfaceAudience.COPROC, HBaseInterfaceAudience.PHOENIX})
|
||||
public abstract class ReaderBase implements AbstractFSWALProvider.Reader {
|
||||
|
|
|
|||
|
|
@ -18,77 +18,109 @@
|
|||
*/
|
||||
package org.apache.hadoop.hbase.wal;
|
||||
|
||||
import org.apache.commons.logging.Log;
|
||||
import org.apache.commons.logging.LogFactory;
|
||||
import java.io.IOException;
|
||||
import java.util.Arrays;
|
||||
import java.util.List;
|
||||
|
||||
import org.apache.hadoop.fs.Path;
|
||||
import org.apache.hadoop.hbase.HBaseTestingUtility;
|
||||
import org.apache.hadoop.hbase.HConstants;
|
||||
import org.apache.hadoop.hbase.regionserver.HRegionServer;
|
||||
import org.apache.hadoop.hbase.regionserver.wal.FSHLog;
|
||||
import org.apache.hadoop.hbase.testclassification.MediumTests;
|
||||
import org.apache.hadoop.hbase.regionserver.wal.AbstractFSWAL;
|
||||
import org.apache.hadoop.hbase.testclassification.LargeTests;
|
||||
import org.apache.hadoop.hbase.testclassification.RegionServerTests;
|
||||
import org.apache.hadoop.hbase.util.FSUtils;
|
||||
import org.junit.After;
|
||||
import org.junit.AfterClass;
|
||||
import org.junit.Before;
|
||||
import org.junit.BeforeClass;
|
||||
import org.junit.Test;
|
||||
import org.junit.experimental.categories.Category;
|
||||
import org.junit.runner.RunWith;
|
||||
import org.junit.runners.Parameterized;
|
||||
import org.junit.runners.Parameterized.Parameter;
|
||||
import org.junit.runners.Parameterized.Parameters;
|
||||
|
||||
|
||||
@Category(MediumTests.class)
|
||||
@RunWith(Parameterized.class)
|
||||
@Category({ RegionServerTests.class, LargeTests.class })
|
||||
public class TestWALOpenAfterDNRollingStart {
|
||||
final Log LOG = LogFactory.getLog(getClass());
|
||||
private final static HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();
|
||||
private static long DataNodeRestartInterval;
|
||||
|
||||
private static final HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();
|
||||
// Sleep time before restart next dn, we need to wait the current dn to finish start up
|
||||
private static long DN_RESTART_INTERVAL = 15000;
|
||||
|
||||
// interval of checking low replication. The sleep time must smaller than
|
||||
// DataNodeRestartInterval
|
||||
// so a low replication case will be detected and the wal will be rolled
|
||||
private static long CHECK_LOW_REPLICATION_INTERVAL = 10000;
|
||||
|
||||
@Parameter
|
||||
public String walProvider;
|
||||
|
||||
@Parameters(name = "{index}: wal={0}")
|
||||
public static List<Object[]> data() {
|
||||
return Arrays.asList(new Object[] { "asyncfs" }, new Object[] { "filesystem" });
|
||||
}
|
||||
|
||||
@BeforeClass
|
||||
public static void setUpBeforeClass() throws Exception {
|
||||
// Sleep time before restart next dn, we need to wait the current dn to finish start up
|
||||
DataNodeRestartInterval = 15000;
|
||||
// interval of checking low replication. The sleep time must smaller than DataNodeRestartInterval
|
||||
// so a low replication case will be detected and the wal will be rolled
|
||||
long checkLowReplicationInterval = 10000;
|
||||
//don't let hdfs client to choose a new replica when dn down
|
||||
TEST_UTIL.getConfiguration().setBoolean("dfs.client.block.write.replace-datanode-on-failure.enable",
|
||||
false);
|
||||
// don't let hdfs client to choose a new replica when dn down
|
||||
TEST_UTIL.getConfiguration()
|
||||
.setBoolean("dfs.client.block.write.replace-datanode-on-failure.enable", false);
|
||||
TEST_UTIL.getConfiguration().setLong("hbase.regionserver.hlog.check.lowreplication.interval",
|
||||
checkLowReplicationInterval);
|
||||
CHECK_LOW_REPLICATION_INTERVAL);
|
||||
TEST_UTIL.startMiniDFSCluster(3);
|
||||
TEST_UTIL.startMiniCluster(1);
|
||||
TEST_UTIL.startMiniZKCluster();
|
||||
}
|
||||
|
||||
@Before
|
||||
public void setUp() throws IOException, InterruptedException {
|
||||
TEST_UTIL.getConfiguration().set("hbase.wal.provider", walProvider);
|
||||
TEST_UTIL.startMiniHBaseCluster(1, 1);
|
||||
}
|
||||
|
||||
@After
|
||||
public void tearDown() throws Exception {
|
||||
TEST_UTIL.shutdownMiniHBaseCluster();
|
||||
}
|
||||
|
||||
@AfterClass
|
||||
public static void tearDownAfterClass() throws Exception {
|
||||
TEST_UTIL.shutdownMiniCluster();
|
||||
}
|
||||
|
||||
/**
|
||||
* see HBASE-18132
|
||||
* This is a test case of failing open a wal(for replication for example) after all datanode
|
||||
* restarted (rolling upgrade, for example).
|
||||
* Before this patch, low replication detection is only used when syncing wal.
|
||||
* But if the wal haven't had any entry whiten, it will never know all the replica of the wal
|
||||
* is broken(because of dn restarting). And this wal can never be open
|
||||
* see HBASE-18132 This is a test case of failing open a wal(for replication for example) after
|
||||
* all datanode restarted (rolling upgrade, for example). Before this patch, low replication
|
||||
* detection is only used when syncing wal. But if the wal haven't had any entry whiten, it will
|
||||
* never know all the replica of the wal is broken(because of dn restarting). And this wal can
|
||||
* never be open
|
||||
* @throws Exception
|
||||
*/
|
||||
@Test(timeout = 300000)
|
||||
@Test
|
||||
public void test() throws Exception {
|
||||
HRegionServer server = TEST_UTIL.getHBaseCluster().getRegionServer(0);
|
||||
FSHLog hlog = (FSHLog)server.getWAL(null);
|
||||
Path currentFile = hlog.getCurrentFileName();
|
||||
//restart every dn to simulate a dn rolling upgrade
|
||||
for(int i = 0; i < TEST_UTIL.getDFSCluster().getDataNodes().size(); i++) {
|
||||
//This is NOT a bug, when restart dn in miniDFSCluster, it will remove the stopped dn from
|
||||
//the dn list and then add to the tail of this list, we need to always restart the first one
|
||||
//to simulate rolling upgrade of every dn.
|
||||
AbstractFSWAL<?> wal = (AbstractFSWAL<?>) server.getWAL(null);
|
||||
Path currentFile = wal.getCurrentFileName();
|
||||
// restart every dn to simulate a dn rolling upgrade
|
||||
for (int i = 0, n = TEST_UTIL.getDFSCluster().getDataNodes().size(); i < n; i++) {
|
||||
// This is NOT a bug, when restart dn in miniDFSCluster, it will remove the stopped dn from
|
||||
// the dn list and then add to the tail of this list, we need to always restart the first one
|
||||
// to simulate rolling upgrade of every dn.
|
||||
TEST_UTIL.getDFSCluster().restartDataNode(0);
|
||||
//sleep enough time so log roller can detect the pipeline break and roll log
|
||||
Thread.sleep(DataNodeRestartInterval);
|
||||
// sleep enough time so log roller can detect the pipeline break and roll log
|
||||
Thread.sleep(DN_RESTART_INTERVAL);
|
||||
}
|
||||
|
||||
if(!server.getFileSystem().exists(currentFile)) {
|
||||
if (!server.getFileSystem().exists(currentFile)) {
|
||||
Path walRootDir = FSUtils.getWALRootDir(TEST_UTIL.getConfiguration());
|
||||
final Path oldLogDir = new Path(walRootDir, HConstants.HREGION_OLDLOGDIR_NAME);
|
||||
currentFile = new Path(oldLogDir, currentFile.getName());
|
||||
}
|
||||
//if the log is not rolled, then we can never open this wal forever.
|
||||
WAL.Reader reader = WALFactory
|
||||
.createReader(TEST_UTIL.getTestFileSystem(), currentFile, TEST_UTIL.getConfiguration());
|
||||
|
||||
// if the log is not rolled, then we can never open this wal forever.
|
||||
try (WAL.Reader reader = WALFactory.createReader(TEST_UTIL.getTestFileSystem(), currentFile,
|
||||
TEST_UTIL.getConfiguration())) {
|
||||
reader.next();
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue