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HDFS-13239. Fix non-empty dir warning message when setting default EC policy. Contributed by Bharat Viswanadham.

This commit is contained in:
Xiao Chen 2018-03-13 10:06:55 -07:00
parent 84c1095586
commit d6931c30c5
2 changed files with 30 additions and 10 deletions
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12
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/ECAdmin.java
View File

@ -358,17 +358,15 @@ public int run(Configuration conf, List<String> args) throws IOException {
try {
dfs.setErasureCodingPolicy(p, ecPolicyName);
if (ecPolicyName == null){
System.out.println("Set default erasure coding policy" +
" on " + path);
} else {
System.out.println("Set erasure coding policy " + ecPolicyName +
" on " + path);
ecPolicyName = "default";
}
System.out.println("Set " + ecPolicyName + " erasure coding policy on" +
" " + path);
RemoteIterator<FileStatus> dirIt = dfs.listStatusIterator(p);
if (dirIt.hasNext()) {
System.out.println("Warning: setting erasure coding policy on a " +
"non-empty directory will not automatically convert existing" +
" files to " + ecPolicyName);
"non-empty directory will not automatically convert existing " +
"files to " + ecPolicyName + " erasure coding policy");
}
} catch (Exception e) {
System.err.println(AdminHelper.prettifyException(e));

28
hadoop-hdfs-project/hadoop-hdfs/src/test/resources/testErasureCodingConf.xml
View File

@ -214,7 +214,7 @@
<comparators>
<comparator>
<type>SubstringComparator</type>
<expected-output>Set erasure coding policy RS-6-3-1024k on /ecdir</expected-output>
<expected-output>Set RS-6-3-1024k erasure coding policy on /ecdir</expected-output>
</comparator>
</comparators>
</test>
@ -232,7 +232,7 @@
<comparators>
<comparator>
<type>SubstringComparator</type>
<expected-output>Set erasure coding policy RS-6-3-1024k on /ecdir</expected-output>
<expected-output>Set RS-6-3-1024k erasure coding policy on /ecdir</expected-output>
</comparator>
</comparators>
</test>
@ -311,7 +311,7 @@
<comparators>
<comparator>
<type>SubstringComparator</type>
<expected-output>Warning: setting erasure coding policy on a non-empty directory will not automatically convert existing files to RS-6-3-1024</expected-output>
<expected-output>Warning: setting erasure coding policy on a non-empty directory will not automatically convert existing files to RS-6-3-1024k erasure coding policy</expected-output>
</comparator>
</comparators>
</test>
@ -695,6 +695,28 @@
</comparators>
</test>
<test>
<description>setPolicy : set erasure coding policy without given a specific policy name on a non empty directory</description>
<test-commands>
<command>-fs NAMENODE -mkdir /ecdir</command>
<command>-fs NAMENODE -mkdir /ecdir/ecsubdir</command>
<ec-admin-command>-fs NAMENODE -setPolicy -path /ecdir</ec-admin-command>
</test-commands>
<cleanup-commands>
<command>-fs NAMENODE -rm -R /ecdir</command>
</cleanup-commands>
<comparators>
<comparator>
<type>SubstringComparator</type>
<expected-output>Set default erasure coding policy on /ecdir</expected-output>
</comparator>
<comparator>
<type>SubstringComparator</type>
<expected-output>Warning: setting erasure coding policy on a non-empty directory will not automatically convert existing files to default erasure coding policy</expected-output>
</comparator>
</comparators>
</test>
<test>
<description>getPolicy: get the default policy after setPolicy without given a specific policy name</description>
<test-commands>