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HBASE-14621 ReplicationLogCleaner stuck on RS crash. 

Signed-off-by: Elliott Clark <eclark@apache.org>
This commit is contained in:
Ashu Pachauri 2015-10-15 11:58:33 -07:00 committed by Elliott Clark
parent e874a31d75
commit 6774f223a4
2 changed files with 25 additions and 1 deletions
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2
hbase-server/src/main/java/org/apache/hadoop/hbase/replication/master/ReplicationLogCleaner.java
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@ -95,8 +95,8 @@ public class ReplicationLogCleaner extends BaseLogCleanerDelegate implements Abo
* not be included.
*/
private Set<String> loadWALsFromQueues() throws KeeperException {
int v0 = replicationQueues.getQueuesZNodeCversion();
for (int retry = 0; ; retry++) {
int v0 = replicationQueues.getQueuesZNodeCversion();
List<String> rss = replicationQueues.getListOfReplicators();
if (rss == null) {
LOG.debug("Didn't find any region server that replicates, won't prevent any deletions.");

24
hbase-server/src/test/java/org/apache/hadoop/hbase/master/cleaner/TestLogsCleaner.java
View File

@ -20,7 +20,9 @@ package org.apache.hadoop.hbase.master.cleaner;
import static org.junit.Assert.assertEquals;
import java.io.IOException;
import java.lang.reflect.Field;
import java.net.URLEncoder;
import java.util.LinkedList;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileStatus;
@ -36,6 +38,8 @@ import org.apache.hadoop.hbase.Waiter;
import org.apache.hadoop.hbase.client.ClusterConnection;
import org.apache.hadoop.hbase.replication.ReplicationFactory;
import org.apache.hadoop.hbase.replication.ReplicationQueues;
import org.apache.hadoop.hbase.replication.ReplicationQueuesClient;
import org.apache.hadoop.hbase.replication.master.ReplicationLogCleaner;
import org.apache.hadoop.hbase.replication.regionserver.Replication;
import org.apache.hadoop.hbase.testclassification.MasterTests;
import org.apache.hadoop.hbase.testclassification.MediumTests;
@ -45,6 +49,7 @@ import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.mockito.Mockito;
@Category({MasterTests.class, MediumTests.class})
public class TestLogsCleaner {
@ -126,6 +131,7 @@ public class TestLogsCleaner {
assertEquals(34, fs.listStatus(oldLogDir).length);
LogCleaner cleaner = new LogCleaner(1000, server, conf, fs, oldLogDir);
cleaner.chore();
// We end up with the current log file, a newer one and the 3 old log
@ -142,6 +148,24 @@ public class TestLogsCleaner {
}
}
@Test(timeout=5000)
public void testZnodeCversionChange() throws Exception {
Configuration conf = TEST_UTIL.getConfiguration();
ReplicationLogCleaner cleaner = new ReplicationLogCleaner();
cleaner.setConf(conf);
ReplicationQueuesClient rqcMock = Mockito.mock(ReplicationQueuesClient.class);
Mockito.when(rqcMock.getQueuesZNodeCversion()).thenReturn(1, 2, 3, 4);
Field rqc = ReplicationLogCleaner.class.getDeclaredField("replicationQueues");
rqc.setAccessible(true);
rqc.set(cleaner, rqcMock);
// This should return eventually when cversion stabilizes
cleaner.getDeletableFiles(new LinkedList<FileStatus>());
}
static class DummyServer implements Server {
@Override