diff --git a/src/test/java/org/apache/hadoop/hbase/regionserver/wal/HLogPerformanceEvaluation.java b/src/test/java/org/apache/hadoop/hbase/regionserver/wal/HLogPerformanceEvaluation.java index 3b6db250d9c..0e78d454007 100644 --- a/src/test/java/org/apache/hadoop/hbase/regionserver/wal/HLogPerformanceEvaluation.java +++ b/src/test/java/org/apache/hadoop/hbase/regionserver/wal/HLogPerformanceEvaluation.java @@ -36,6 +36,7 @@ import org.apache.hadoop.classification.InterfaceAudience; import org.apache.hadoop.hbase.HBaseTestingUtility; import org.apache.hadoop.hbase.HColumnDescriptor; +import org.apache.hadoop.hbase.HBaseConfiguration; import org.apache.hadoop.hbase.HConstants; import org.apache.hadoop.hbase.HRegionInfo; import org.apache.hadoop.hbase.HTableDescriptor; @@ -129,7 +130,6 @@ public final class HLogPerformanceEvaluation extends Configured implements Tool // Process command line args for (int i = 0; i < args.length; i++) { String cmd = args[i]; - try { if (cmd.equals("-threads")) { numThreads = Integer.parseInt(args[++i]); @@ -153,7 +153,12 @@ public final class HLogPerformanceEvaluation extends Configured implements Tool verbose = true; } else if (cmd.equals("-roll")) { roll = Long.parseLong(args[++i]); + } else if (cmd.equals("-h")) { + printUsageAndExit(); + } else if (cmd.equals("--help")) { + printUsageAndExit(); } else { + System.err.println("UNEXPECTED: " + cmd); printUsageAndExit(); } } catch (Exception e) { @@ -163,6 +168,7 @@ public final class HLogPerformanceEvaluation extends Configured implements Tool // Run HLog Performance Evaluation FileSystem fs = FileSystem.get(getConf()); + LOG.info("" + fs); try { if (rootRegionDir == null) { rootRegionDir = TEST_UTIL.getDataTestDir("HLogPerformanceEvaluation"); @@ -280,6 +286,12 @@ public final class HLogPerformanceEvaluation extends Configured implements Tool System.err.println(" -verify Verify edits written in sequence"); System.err.println(" -verbose Output extra info; e.g. all edit seq ids when verifying"); System.err.println(" -roll Roll the way every N appends"); + System.err.println(""); + System.err.println("Examples:"); + System.err.println(""); + System.err.println(" To run 100 threads on hdfs with log rolling every 10k edits and verification afterward do:"); + System.err.println(" $ ./bin/hbase org.apache.hadoop.hbase.regionserver.wal.HLogPerformanceEvaluation \\"); + System.err.println(" -conf ./core-site.xml -path hdfs://example.org:7000/tmp -threads 100 -roll 10000 -verify"); System.exit(1); } @@ -337,7 +349,7 @@ public final class HLogPerformanceEvaluation extends Configured implements Tool } public static void main(String[] args) throws Exception { - int exitCode = ToolRunner.run(new HLogPerformanceEvaluation(), args); + int exitCode = ToolRunner.run(HBaseConfiguration.create(), new HLogPerformanceEvaluation(), args); System.exit(exitCode); } -} \ No newline at end of file +}