Changes between Version 20 and Version 21 of MR_manual

Timestamp:

Aug 11, 2008, 11:35:43 AM (17 years ago)

Author:

waue

Comment:

--

MR_manual

@@ -178 +178 @@
 
  = 四、效能測試 = 
+{{{
+[stack@aa0-000-12 ~]$ ./hadoop-trunk/src/contrib/hbase/bin/hbase org.apache.hadoop.hbase.PerformanceEvaluation
+Usage: java org.apache.hadoop.hbase.PerformanceEvaluation[--master=host:port] [--miniCluster] <command> <nclients>
+
+Options:
+ master          Specify host and port of HBase cluster master. If not present,
+                 address is read from configuration
+ miniCluster     Run the test on an HBaseMiniCluster
+
+Command:
+ randomRead      Run random read test
+ randomReadMem   Run random read test where table is in memory
+ randomWrite     Run random write test
+ sequentialRead  Run sequential read test
+ sequentialWrite Run sequential write test
+ scan            Run scan test
+
+Args:
+ nclients        Integer. Required. Total number of clients (and HRegionServers)
+                 running: 1 <= value <= 500
+Examples:
+ To run a single evaluation client:
+ $ bin/hbase org.apache.hadoop.hbase.PerformanceEvaluation sequentialWrite 1
+
+}}}
+
+(from [http://wiki.apache.org/hadoop/Hbase/PerformanceEvaluation#0_1_2 http://wiki.apache.org/hadoop/Hbase/PerformanceEvaluation#0_1_2 ])
+
  = 五、開發程式 =