diff options
Diffstat (limited to 'examples')
3 files changed, 16 insertions, 6 deletions
diff --git a/examples/src/main/scala/org/apache/spark/examples/HBaseTest.scala b/examples/src/main/scala/org/apache/spark/examples/HBaseTest.scala index 4893b017ed..822673347b 100644 --- a/examples/src/main/scala/org/apache/spark/examples/HBaseTest.scala +++ b/examples/src/main/scala/org/apache/spark/examples/HBaseTest.scala @@ -31,12 +31,12 @@ object HBaseTest { val conf = HBaseConfiguration.create() // Other options for configuring scan behavior are available. More information available at // http://hbase.apache.org/apidocs/org/apache/hadoop/hbase/mapreduce/TableInputFormat.html - conf.set(TableInputFormat.INPUT_TABLE, args(1)) + conf.set(TableInputFormat.INPUT_TABLE, args(0)) // Initialize hBase table if necessary val admin = new HBaseAdmin(conf) - if(!admin.isTableAvailable(args(1))) { - val tableDesc = new HTableDescriptor(args(1)) + if (!admin.isTableAvailable(args(0))) { + val tableDesc = new HTableDescriptor(args(0)) admin.createTable(tableDesc) } diff --git a/examples/src/main/scala/org/apache/spark/examples/HdfsTest.scala b/examples/src/main/scala/org/apache/spark/examples/HdfsTest.scala index 331de3ad1e..ed2b38e2ca 100644 --- a/examples/src/main/scala/org/apache/spark/examples/HdfsTest.scala +++ b/examples/src/main/scala/org/apache/spark/examples/HdfsTest.scala @@ -19,16 +19,22 @@ package org.apache.spark.examples import org.apache.spark._ + object HdfsTest { + + /** Usage: HdfsTest [file] */ def main(args: Array[String]) { + if (args.length < 1) { + System.err.println("Usage: HdfsTest <file>") + System.exit(1) + } val sparkConf = new SparkConf().setAppName("HdfsTest") val sc = new SparkContext(sparkConf) - val file = sc.textFile(args(1)) + val file = sc.textFile(args(0)) val mapped = file.map(s => s.length).cache() for (iter <- 1 to 10) { val start = System.currentTimeMillis() for (x <- mapped) { x + 2 } - // println("Processing: " + x) val end = System.currentTimeMillis() println("Iteration " + iter + " took " + (end-start) + " ms") } diff --git a/examples/src/main/scala/org/apache/spark/examples/SparkPageRank.scala b/examples/src/main/scala/org/apache/spark/examples/SparkPageRank.scala index 40b36c779a..4c7e006da0 100644 --- a/examples/src/main/scala/org/apache/spark/examples/SparkPageRank.scala +++ b/examples/src/main/scala/org/apache/spark/examples/SparkPageRank.scala @@ -31,8 +31,12 @@ import org.apache.spark.{SparkConf, SparkContext} */ object SparkPageRank { def main(args: Array[String]) { + if (args.length < 1) { + System.err.println("Usage: SparkPageRank <file> <iter>") + System.exit(1) + } val sparkConf = new SparkConf().setAppName("PageRank") - var iters = args(1).toInt + val iters = if (args.length > 0) args(1).toInt else 10 val ctx = new SparkContext(sparkConf) val lines = ctx.textFile(args(0), 1) val links = lines.map{ s => |