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HBASE-20488 Fix PE command help message 

checkstyle fix

Signed-off-by: Peter Somogyi <psomogyi@apache.org>
This commit is contained in:
Xu Cang 2018-05-16 10:30:21 -07:00 committed by Peter Somogyi
parent 34c458c12e
commit 56bb1fa065
1 changed files with 7 additions and 6 deletions
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13
hbase-mapreduce/src/test/java/org/apache/hadoop/hbase/PerformanceEvaluation.java
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@ -132,6 +132,7 @@ import org.apache.hbase.thirdparty.com.google.common.util.concurrent.ThreadFacto
public class PerformanceEvaluation extends Configured implements Tool { public class PerformanceEvaluation extends Configured implements Tool {
static final String RANDOM_SEEK_SCAN = "randomSeekScan"; static final String RANDOM_SEEK_SCAN = "randomSeekScan";
static final String RANDOM_READ = "randomRead"; static final String RANDOM_READ = "randomRead";
static final String PE_COMMAND_SHORTNAME = "pe";
private static final Logger LOG = LoggerFactory.getLogger(PerformanceEvaluation.class.getName()); private static final Logger LOG = LoggerFactory.getLogger(PerformanceEvaluation.class.getName());
private static final ObjectMapper MAPPER = new ObjectMapper(); private static final ObjectMapper MAPPER = new ObjectMapper();
static { static {
@ -2356,11 +2357,11 @@ public class PerformanceEvaluation extends Configured implements Tool {
} }
protected void printUsage() { protected void printUsage() {
printUsage(this.getClass().getName(), null); printUsage(PE_COMMAND_SHORTNAME, null);
} }
protected static void printUsage(final String message) { protected static void printUsage(final String message) {
printUsage(PerformanceEvaluation.class.getName(), message); printUsage(PE_COMMAND_SHORTNAME, message);
} }
protected static void printUsageAndExit(final String message, final int exitCode) { protected static void printUsageAndExit(final String message, final int exitCode) {
@ -2368,11 +2369,11 @@ public class PerformanceEvaluation extends Configured implements Tool {
System.exit(exitCode); System.exit(exitCode);
} }
protected static void printUsage(final String className, final String message) { protected static void printUsage(final String shortName, final String message) {
if (message != null && message.length() > 0) { if (message != null && message.length() > 0) {
System.err.println(message); System.err.println(message);
} }
System.err.println("Usage: java " + className + " \\"); System.err.print("Usage: hbase " + shortName);
System.err.println(" <OPTIONS> [-D<property=value>]* <command> <nclients>"); System.err.println(" <OPTIONS> [-D<property=value>]* <command> <nclients>");
System.err.println(); System.err.println();
System.err.println("General Options:"); System.err.println("General Options:");
@ -2464,9 +2465,9 @@ public class PerformanceEvaluation extends Configured implements Tool {
+ "(and HRegionServers) running. 1 <= value <= 500"); + "(and HRegionServers) running. 1 <= value <= 500");
System.err.println("Examples:"); System.err.println("Examples:");
System.err.println(" To run a single client doing the default 1M sequentialWrites:"); System.err.println(" To run a single client doing the default 1M sequentialWrites:");
System.err.println(" $ hbase " + className + " sequentialWrite 1"); System.err.println(" $ hbase " + shortName + " sequentialWrite 1");
System.err.println(" To run 10 clients doing increments over ten rows:"); System.err.println(" To run 10 clients doing increments over ten rows:");
System.err.println(" $ hbase " + className + " --rows=10 --nomapred increment 10"); System.err.println(" $ hbase " + shortName + " --rows=10 --nomapred increment 10");
} }
/** /**