HBASE-1974 Update to latest on hadoop 0.21 branch (November11th, 2009)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/hbase/trunk@835241 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/hadoop/hbase/regionserver/HRegion.java

@@ -1177,8 +1177,7 @@ public class HRegion implements HConstants, HeapSize { // , Writable{
       
       if (writeToWAL) {
         this.log.append(regionInfo.getRegionName(),
-          regionInfo.getTableDesc().getName(), kvs,
+          regionInfo.getTableDesc().getName(), kvs, now);
-          (regionInfo.isMetaRegion() || regionInfo.isRootRegion()), now);
       }
       flush = isFlushSize(size);
     } finally {
@@ -1451,8 +1450,7 @@ public class HRegion implements HConstants, HeapSize { // , Writable{
       if (writeToWAL) {
         long now = System.currentTimeMillis();
         this.log.append(regionInfo.getRegionName(),
-          regionInfo.getTableDesc().getName(), edits,
+          regionInfo.getTableDesc().getName(), edits, now);
-          (regionInfo.isMetaRegion() || regionInfo.isRootRegion()), now);
       }
       long size = 0;
       Store store = getStore(family);
@@ -2363,8 +2361,7 @@ public class HRegion implements HConstants, HeapSize { // , Writable{
         List<KeyValue> edits = new ArrayList<KeyValue>(1);
         edits.add(newKv);
         this.log.append(regionInfo.getRegionName(),
-          regionInfo.getTableDesc().getName(), edits,
+          regionInfo.getTableDesc().getName(), edits, now);
-          (regionInfo.isMetaRegion() || regionInfo.isRootRegion()), now);
       }
 
       // Now request the ICV to the store, this will set the timestamp

src/java/org/apache/hadoop/hbase/regionserver/wal/HLog.java

@@ -649,9 +649,7 @@ public class HLog implements HConstants, Syncable {
       // region being flushed is removed if the sequence number of the flush
       // is greater than or equal to the value in lastSeqWritten.
       this.lastSeqWritten.putIfAbsent(regionName, Long.valueOf(seqNum));
-      boolean sync = regionInfo.isMetaRegion() || regionInfo.isRootRegion();
+      doWrite(logKey, logEdit, logKey.getWriteTime());
-      doWrite(logKey, logEdit, sync, logKey.getWriteTime());
-
       this.unflushedEntries.incrementAndGet();
       this.numEntries.incrementAndGet();
     }
@@ -682,12 +680,11 @@ public class HLog implements HConstants, Syncable {
    * @param regionName
    * @param tableName
    * @param edits
-   * @param sync
    * @param now
    * @throws IOException
    */
   public void append(byte [] regionName, byte [] tableName, List<KeyValue> edits,
-    boolean sync, final long now)
+    final long now)
   throws IOException {
     if (this.closed) {
       throw new IOException("Cannot append; log is closed");
@@ -702,7 +699,7 @@ public class HLog implements HConstants, Syncable {
       int counter = 0;
       for (KeyValue kv: edits) {
         HLogKey logKey = makeKey(regionName, tableName, seqNum[counter++], now);
-        doWrite(logKey, kv, sync, now);
+        doWrite(logKey, kv, now);
         this.numEntries.incrementAndGet();
       }
 
@@ -808,13 +805,7 @@ public class HLog implements HConstants, Syncable {
     logSyncerThread.addToSyncQueue(force);
   }
 
-  /**
+  public void hflush() throws IOException {
-   * Multiple threads will call sync() at the same time, only the winner
-   * will actually flush if there is any race or build up.
-   *
-   * @throws IOException
-   */
-  protected void hflush() throws IOException {
     synchronized (this.updateLock) {
       if (this.closed) {
         return;
@@ -822,6 +813,7 @@ public class HLog implements HConstants, Syncable {
       if (this.forceSync ||
           this.unflushedEntries.get() >= this.flushlogentries) {
         try {
+          LOG.info("hflush remove");
           this.writer.sync();
           if (this.writer_out != null) {
             this.writer_out.sync();
@@ -837,20 +829,25 @@ public class HLog implements HConstants, Syncable {
     }
   }
 
+  public void hsync() throws IOException {
+    // Not yet implemented up in hdfs so just call hflush.
+    hflush();
+  }
+
   private void requestLogRoll() {
     if (this.listener != null) {
       this.listener.logRollRequested();
     }
   }
   
-  private void doWrite(HLogKey logKey, KeyValue logEdit, boolean sync,
+  private void doWrite(HLogKey logKey, KeyValue logEdit, final long now)
-      final long now)
   throws IOException {
     if (!this.enabled) {
       return;
     }
     try {
       this.editsSize.addAndGet(logKey.heapSize() + logEdit.heapSize());
+      if (this.numEntries.get() % this.flushlogentries == 0) LOG.info("edit=" + this.numEntries.get() + ", write=" + logKey.toString());
       this.writer.append(logKey, logEdit);
       long took = System.currentTimeMillis() - now;
       if (took > 1000) {

src/java/org/apache/hadoop/hbase/util/Merge.java

@@ -333,7 +333,7 @@ public class Merge extends Configured implements Tool {
    *
    * @throws IOException
    */
-  private int parseArgs(String[] args) {
+  private int parseArgs(String[] args) throws IOException {
     GenericOptionsParser parser =
       new GenericOptionsParser(this.getConf(), args);
     

src/test/org/apache/hadoop/hbase/HBaseTestingUtility.java

@@ -46,7 +46,6 @@ import org.apache.hadoop.hbase.util.FSUtils;
 import org.apache.hadoop.hbase.util.Writables;
 import org.apache.hadoop.hdfs.MiniDFSCluster;
 import org.apache.hadoop.mapred.MiniMRCluster;
-import com.sun.corba.se.pept.transport.Connection;
 
 /**
  * Facility for testing HBase. Added as tool to abet junit4 testing.  Replaces

src/test/org/apache/hadoop/hbase/regionserver/wal/TestHLog.java

@@ -92,7 +92,7 @@ public class TestHLog extends HBaseTestCase implements HConstants {
                 System.currentTimeMillis(), column));
             System.out.println("Region " + i + ": " + edit);
             log.append(Bytes.toBytes("" + i), tableName, edit,
-              false, System.currentTimeMillis());
+              System.currentTimeMillis());
           }
         }
         log.rollWriter();
@@ -132,7 +132,7 @@ public class TestHLog extends HBaseTestCase implements HConstants {
     for (int i = 0; i < total; i++) {
       List<KeyValue> kvs = new ArrayList<KeyValue>();
       kvs.add(new KeyValue(Bytes.toBytes(i), bytes, bytes));
-      wal.append(bytes, bytes, kvs, false, System.currentTimeMillis());
+      wal.append(bytes, bytes, kvs, System.currentTimeMillis());
     }
     // Now call sync and try reading.  Opening a Reader before you sync just
     // gives you EOFE.
@@ -150,7 +150,7 @@ public class TestHLog extends HBaseTestCase implements HConstants {
     for (int i = 0; i < total; i++) {
       List<KeyValue> kvs = new ArrayList<KeyValue>();
       kvs.add(new KeyValue(Bytes.toBytes(i), bytes, bytes));
-      wal.append(bytes, bytes, kvs, false, System.currentTimeMillis());
+      wal.append(bytes, bytes, kvs, System.currentTimeMillis());
     }
     reader = HLog.getReader(this.fs, walPath, this.conf);
     count = 0;
@@ -169,7 +169,7 @@ public class TestHLog extends HBaseTestCase implements HConstants {
     for (int i = 0; i < total; i++) {
       List<KeyValue> kvs = new ArrayList<KeyValue>();
       kvs.add(new KeyValue(Bytes.toBytes(i), bytes, value));
-      wal.append(bytes, bytes, kvs, false, System.currentTimeMillis());
+      wal.append(bytes, bytes, kvs, System.currentTimeMillis());
     }
     // Now I should have written out lots of blocks.  Sync then read.
     wal.sync();
@@ -238,7 +238,7 @@ public class TestHLog extends HBaseTestCase implements HConstants {
             Bytes.toBytes(Integer.toString(i)),
           timestamp, new byte[] { (byte)(i + '0') }));
       }
-      log.append(regionName, tableName, cols, false, System.currentTimeMillis());
+      log.append(regionName, tableName, cols, System.currentTimeMillis());
       long logSeqId = log.startCacheFlush();
       log.completeCacheFlush(regionName, tableName, logSeqId);
       log.close();