Uma Maheswara Rao G created HDFS-15515:
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Summary: mkdirs on fallback should throw IOE out instead of
suppressing and returning false
Key: HDFS-15515
URL: https://issues.apache.org/jira/browse/HDFS-15515
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: Uma Maheswara Rao G
Assignee: Uma Maheswara Rao G
Currently when doing mkdirs on fallback dir, we catching IOE and returning
false.
I think we should just throw IOE out as the fs#mkdirs throws IOE out.
I noticed a case when we attempt to create .reserved dirs, NN throws HadoopIAE.
But we will catch and return false. Here exception should be thrown out.
{code:java}
try {
return linkedFallbackFs.mkdirs(dirToCreate, permission);
} catch (IOException e) {
if (LOG.isDebugEnabled()) {
StringBuilder msg =
new StringBuilder("Failed to create ").append(dirToCreate)
.append(" at fallback : ")
.append(linkedFallbackFs.getUri());
LOG.debug(msg.toString(), e);
}
return false;
}
{code}
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