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HDFS-5486. Fix TestNameNodeMetrics for HDFS-2832. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-2832@1540619 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Arpit Agarwal 2013-11-11 06:40:06 +00:00
parent bb5bd30df6
commit a161ff8f09
3 changed files with 16 additions and 9 deletions
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2
hadoop-hdfs-project/hadoop-hdfs/CHANGES_HDFS-2832.txt
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@ -93,3 +93,5 @@ IMPROVEMENTS:
HDFS-5480. Update Balancer for HDFS-2832. (Contributed by szetszwo)
HDFS-5486. Fix TestNameNodeMetrics for HDFS-2832. (Arpit Agarwal)

20
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/MiniDFSCluster.java
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@ -124,6 +124,9 @@ public class MiniDFSCluster {
public static final String DFS_NAMENODE_SAFEMODE_EXTENSION_TESTING_KEY
= DFS_NAMENODE_SAFEMODE_EXTENSION_KEY + ".testing";
// Changing this value may break some tests that assume it is 2.
public static final int DIRS_PER_DATANODE = 2;
static { DefaultMetricsSystem.setMiniClusterMode(true); }
/**
@ -1143,15 +1146,16 @@ public class MiniDFSCluster {
// Set up datanode address
setupDatanodeAddress(dnConf, setupHostsFile, checkDataNodeAddrConfig);
if (manageDfsDirs) {
File dir1 = getInstanceStorageDir(i, 0);
File dir2 = getInstanceStorageDir(i, 1);
dir1.mkdirs();
dir2.mkdirs();
if (!dir1.isDirectory() || !dir2.isDirectory()) {
throw new IOException("Mkdirs failed to create directory for DataNode "
+ i + ": " + dir1 + " or " + dir2);
StringBuilder sb = new StringBuilder();
for (int j = 0; j < DIRS_PER_DATANODE; ++j) {
File dir = getInstanceStorageDir(i, j);
dir.mkdirs();
if (!dir.isDirectory()) {
throw new IOException("Mkdirs failed to create directory for DataNode " + dir);
}
sb.append((j > 0 ? "," : "") + fileAsURI(dir));
}
String dirs = fileAsURI(dir1) + "," + fileAsURI(dir2);
String dirs = sb.toString();
dnConf.set(DFS_DATANODE_DATA_DIR_KEY, dirs);
conf.set(DFS_DATANODE_DATA_DIR_KEY, dirs);
}

3
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/metrics/TestNameNodeMetrics.java
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@ -434,7 +434,8 @@ public class TestNameNodeMetrics {
// We have one sync when the cluster starts up, just opening the journal
assertCounter("SyncsNumOps", 1L, rb);
// Each datanode reports in when the cluster comes up
assertCounter("BlockReportNumOps", (long)DATANODE_COUNT, rb);
assertCounter("BlockReportNumOps",
(long)DATANODE_COUNT*MiniDFSCluster.DIRS_PER_DATANODE, rb);
// Sleep for an interval+slop to let the percentiles rollover
Thread.sleep((PERCENTILES_INTERVAL+1)*1000);