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HBASE-10997 Add a modulo argument to PE to constrain the key range 

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1587801 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Michael Stack 2014-04-16 05:15:48 +00:00
parent 585a4f7778
commit 224aab57a0
1 changed files with 16 additions and 5 deletions
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21
hbase-server/src/test/java/org/apache/hadoop/hbase/PerformanceEvaluation.java
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@ -488,6 +488,7 @@ public class PerformanceEvaluation extends Configured implements Tool {
this.perClientRunRows = that.perClientRunRows;
this.numClientThreads = that.numClientThreads;
this.totalRows = that.totalRows;
this.modulo = that.modulo;
this.sampleRate = that.sampleRate;
this.tableName = that.tableName;
this.flushCommits = that.flushCommits;
@ -507,6 +508,7 @@ public class PerformanceEvaluation extends Configured implements Tool {
public int perClientRunRows = ROWS_PER_GB;
public int numClientThreads = 1;
public int totalRows = ROWS_PER_GB;
public int modulo = -1;
public float sampleRate = 1.0f;
public String tableName = TABLE_NAME;
public boolean flushCommits = true;
@ -653,7 +655,7 @@ public class PerformanceEvaluation extends Configured implements Tool {
@Override
void testRow(final int i) throws IOException {
Scan scan = new Scan(getRandomRow(this.rand, opts.totalRows));
Scan scan = new Scan(getRandomRow(this.rand, opts.modulo));
scan.addColumn(FAMILY_NAME, QUALIFIER_NAME);
scan.setFilter(new WhileMatchFilter(new PageFilter(120)));
ResultScanner s = this.table.getScanner(scan);
@ -768,8 +770,9 @@ public class PerformanceEvaluation extends Configured implements Tool {
@Override
void testRow(final int i) throws IOException {
Get get = new Get(getRandomRow(this.rand, opts.totalRows));
Get get = new Get(getRandomRow(this.rand, opts.modulo));
get.addColumn(FAMILY_NAME, QUALIFIER_NAME);
if (LOG.isTraceEnabled()) LOG.trace(get.toString());
if (opts.multiGet > 0) {
this.gets.add(get);
if (this.gets.size() == opts.multiGet) {
@ -804,7 +807,7 @@ public class PerformanceEvaluation extends Configured implements Tool {
@Override
void testRow(final int i) throws IOException {
byte[] row = getRandomRow(this.rand, opts.totalRows);
byte[] row = getRandomRow(this.rand, opts.modulo);
Put put = new Put(row);
byte[] value = generateData(this.rand, VALUE_LENGTH);
if (opts.useTags) {
@ -990,8 +993,8 @@ public class PerformanceEvaluation extends Configured implements Tool {
return b;
}
static byte [] getRandomRow(final Random random, final int totalRows) {
return format(random.nextInt(Integer.MAX_VALUE) % totalRows);
static byte [] getRandomRow(final Random random, final int modulo) {
return format(random.nextInt(Integer.MAX_VALUE) % modulo);
}
static long runOneClient(final Class<? extends Test> cmd, Configuration conf, TestOptions opts,
@ -1055,6 +1058,7 @@ public class PerformanceEvaluation extends Configured implements Tool {
System.err.println(" nomapred Run multiple clients using threads " +
"(rather than use mapreduce)");
System.err.println(" rows Rows each client runs. Default: One million");
System.err.println(" modulo Modulo we use dividing random. Default: Clients x rows");
System.err.println(" sampleRate Execute test on a sample of total " +
"rows. Only supported by randomRead. Default: 1.0");
System.err.println(" table Alternate table name. Default: 'TestTable'");
@ -1215,11 +1219,18 @@ public class PerformanceEvaluation extends Configured implements Tool {
continue;
}
final String modulo = "--modulo=";
if (cmd.startsWith(modulo)) {
opts.modulo = Integer.parseInt(cmd.substring(modulo.length()));
continue;
}
Class<? extends Test> cmdClass = determineCommandClass(cmd);
if (cmdClass != null) {
opts.numClientThreads = getNumClients(i + 1, args);
// number of rows specified
opts.totalRows = opts.perClientRunRows * opts.numClientThreads;
if (opts.modulo == -1) opts.modulo = opts.totalRows;
runTest(cmdClass, opts);
errCode = 0;
break;