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HBASE-3904 Reapply patch v6 for TRUNK with addendum 

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1145914 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Zhihong Yu 2011-07-13 08:57:50 +00:00
parent de919df41a
commit edf2b7901a
1 changed files with 45 additions and 41 deletions
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34
src/main/java/org/apache/hadoop/hbase/client/HBaseAdmin.java
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@ -21,6 +21,7 @@ package org.apache.hadoop.hbase.client;
import java.io.Closeable;
import java.io.IOException;
import java.io.InterruptedIOException;
import java.net.SocketTimeoutException;
import java.util.Arrays;
import java.util.LinkedList;
@ -334,48 +335,51 @@ public class HBaseAdmin implements Abortable, Closeable {
LOG.warn("Creating " + desc.getNameAsString() + " took too long", ste);
}
int numRegs = splitKeys == null ? 1 : splitKeys.length + 1;
for (int tries = 0; tries < numRetries; tries++) {
try {
int prevRegCount = 0;
for (int tries = 0; tries < numRetries; ++tries) {
// Wait for new table to come on-line
final AtomicInteger actualRegCount = new AtomicInteger(0);
MetaScannerVisitor visitor = new MetaScannerVisitor() {
@Override
public boolean processRow(Result rowResult) throws IOException {
HRegionInfo info = Writables.getHRegionInfo(
rowResult.getValue(HConstants.CATALOG_FAMILY,
HConstants.REGIONINFO_QUALIFIER));
if (!(Bytes.equals(info.getTableName(), desc.getName()))) {
return false;
}
String hostAndPort = null;
byte [] value = rowResult.getValue(HConstants.CATALOG_FAMILY,
HConstants.SERVER_QUALIFIER);
// Make sure that regions are assigned to server
if (value != null && value.length > 0) {
hostAndPort = Bytes.toString(value);
}
if (!(info.isOffline() || info.isSplit()) && hostAndPort != null) {
actualRegCount.incrementAndGet();
}
return true;
}
};
MetaScanner.metaScan(conf, visitor, desc.getName());
if (actualRegCount.get() == numRegs)
break;
} catch (RegionException e) {
if (actualRegCount.get() != numRegs) {
if (tries == numRetries - 1) {
// Ran out of tries
throw e;
throw new RegionOfflineException("Only " + actualRegCount.get() +
" of " + numRegs + " regions are online; retries exhausted.");
}
}
try {
try { // Sleep
Thread.sleep(getPauseTime(tries));
} catch (InterruptedException e) {
// Just continue; ignore the interruption.
throw new InterruptedIOException("Interrupted when opening" +
" regions; " + actualRegCount.get() + " of " + numRegs +
" regions processed so far");
}
if (actualRegCount.get() > prevRegCount) { // Making progress
prevRegCount = actualRegCount.get();
tries = -1;
}
} else {
return;
}
}
}