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HBASE-9982 TestClientNoCluster should use random numbers 

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1543053 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
nkeywal 2013-11-18 15:08:03 +00:00
parent fb7fb4fa41
commit 76e1e210ea
1 changed files with 12 additions and 9 deletions
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17
hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestClientNoCluster.java
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@ -25,6 +25,7 @@ import java.net.SocketTimeoutException;
import java.util.Comparator;
import java.util.HashMap;
import java.util.Map;
import java.util.Random;
import java.util.SortedMap;
import java.util.concurrent.ConcurrentSkipListMap;
import java.util.concurrent.ExecutorService;
@ -658,8 +659,6 @@ public class TestClientNoCluster extends Configured implements Tool {
/**
* Create up a map that is keyed by meta row name and whose value is the HRegionInfo and
* ServerName to return for this row.
* @param hris
* @param serverNames
* @return Map with faked hbase:meta content in it.
*/
static SortedMap<byte [], Pair<HRegionInfo, ServerName>> makeMeta(final byte [] tableName,
@ -681,21 +680,24 @@ public class TestClientNoCluster extends Configured implements Tool {
/**
* Code for each 'client' to run.
*
* @param id
* @param c
* @param sharedConnection
* @throws IOException
*/
static void cycle(final Configuration c, final HConnection sharedConnection) throws IOException {
static void cycle(int id, final Configuration c, final HConnection sharedConnection) throws IOException {
HTableInterface table = sharedConnection.getTable(BIG_USER_TABLE);
table.setAutoFlushTo(false);
long namespaceSpan = c.getLong("hbase.test.namespace.span", 1000000);
long startTime = System.currentTimeMillis();
final int printInterval = 100000;
Random rd = new Random(id);
try {
Stopwatch stopWatch = new Stopwatch();
stopWatch.start();
for (int i = 0; i < namespaceSpan; i++) {
byte [] b = format(i);
byte [] b = format(rd.nextLong());
Put p = new Put(b);
p.add(HConstants.CATALOG_FAMILY, b, b);
if (i % printInterval == 0) {
@ -721,7 +723,7 @@ public class TestClientNoCluster extends Configured implements Tool {
// How many regions to put on the faked servers.
final int regions = 100000;
// How many 'keys' in the faked regions.
final long namespaceSpan = 1000000;
final long namespaceSpan = 50000000;
// How long to take to pause after doing a put; make this long if you want to fake a struggling
// server.
final long multiPause = 0;
@ -749,7 +751,7 @@ public class TestClientNoCluster extends Configured implements Tool {
getConf().setLong("hbase.test.multi.pause.when.done", multiPause);
// Let there be ten outstanding requests at a time before we throw RegionBusyException.
getConf().setInt("hbase.test.multi.too.many", 10);
final int clients = 20;
final int clients = 2;
// Have them all share the same connection so they all share the same instance of
// ManyServersManyRegionsConnection so I can keep an eye on how many requests by server.
@ -760,13 +762,14 @@ public class TestClientNoCluster extends Configured implements Tool {
try {
Thread [] ts = new Thread[clients];
for (int j = 0; j < ts.length; j++) {
final int id = j;
ts[j] = new Thread("" + j) {
final Configuration c = getConf();
@Override
public void run() {
try {
cycle(c, sharedConnection);
cycle(id, c, sharedConnection);
} catch (IOException e) {
e.printStackTrace();
}