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HBASE-12703 Cleanup TestClientPushback for repeatability

This commit is contained in:
Jesse Yates 2014-12-19 19:16:43 -08:00
parent feede7abd8
commit e267db45ac
1 changed files with 18 additions and 10 deletions
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28
hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestClientPushback.java
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@ -17,9 +17,13 @@
*/
package org.apache.hadoop.hbase.client;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.*;
import org.apache.hadoop.hbase.client.backoff.ServerStatistics;
import org.apache.hadoop.hbase.regionserver.HRegion;
import org.apache.hadoop.hbase.regionserver.HRegionServer;
import org.apache.hadoop.hbase.testclassification.MediumTests;
import org.apache.hadoop.hbase.util.Bytes;
import org.junit.AfterClass;
@ -36,6 +40,7 @@ import static org.junit.Assert.assertNotNull;
@Category(MediumTests.class)
public class TestClientPushback {
private static final Log LOG = LogFactory.getLog(TestClientPushback.class);
private static final HBaseTestingUtility UTIL = new HBaseTestingUtility();
private static final byte[] tableName = Bytes.toBytes("client-pushback");
@ -54,7 +59,7 @@ public class TestClientPushback {
// ensure we block the flushes when we are double that flushsize
conf.setLong("hbase.hregion.memstore.block.multiplier", 2);
UTIL.startMiniCluster();
UTIL.startMiniCluster(1);
UTIL.createTable(tableName, family);
}
@ -69,29 +74,32 @@ public class TestClientPushback {
TableName tablename = TableName.valueOf(tableName);
Connection conn = ConnectionFactory.createConnection(conf);
HTable table = (HTable) conn.getTable(tablename);
//make sure we flush after each put
table.setAutoFlushTo(true);
HRegionServer rs = UTIL.getHBaseCluster().getRegionServer(0);
HRegion region = rs.getOnlineRegions(tablename).get(0);
LOG.debug("Writing some data to "+tablename);
// write some data
Put p = new Put(Bytes.toBytes("row"));
p.add(family, qualifier, Bytes.toBytes("value1"));
table.put(p);
table.flushCommits();
// get the current load on RS. Hopefully memstore isn't flushed since we wrote the the data
int load = (int)((region.addAndGetGlobalMemstoreSize(0) * 100) / flushSizeBytes);
LOG.debug("Done writing some data to "+tablename);
// get the stats for the region hosting our table
ClusterConnection connection = table.connection;
ServerStatisticTracker stats = connection.getStatisticsTracker();
assertNotNull( "No stats configured for the client!", stats);
// get the names so we can query the stats
ServerName server = UTIL.getHBaseCluster().getRegionServer(0).getServerName();
byte[] regionName = UTIL.getHBaseCluster().getRegionServer(0).getOnlineRegions(tablename).get
(0).getRegionName();
ServerName server = rs.getServerName();
byte[] regionName = region.getRegionName();
// check to see we found some load on the memstore
ServerStatistics serverStats = stats.getServerStatsForTesting(server);
ServerStatistics.RegionStatistics regionStats = serverStats.getStatsForRegion(regionName);
int load = regionStats.getMemstoreLoadPercent();
if (load < 11) {
assertEquals("Load on memstore too low", 11, load);
}
assertEquals(load, regionStats.getMemstoreLoadPercent());
}
}