Yuanbo Liu created HDFS-11568:
---------------------------------
Summary: Ozone: Create metadata path automatically after null
checking
Key: HDFS-11568
URL: https://issues.apache.org/jira/browse/HDFS-11568
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: Yuanbo Liu
Assignee: Yuanbo Liu
The metadata path of ozone container should be checked properly and created
accordingly while it's initiated. Some code snips that we need to change are
here:
{{ContainerMapping.java}}
{code}
// TODO: Fix this checking.
String scmMetaDataDir = conf.get(OzoneConfigKeys
.OZONE_CONTAINER_METADATA_DIRS);
if ((scmMetaDataDir == null) || (scmMetaDataDir.isEmpty())) {
throw
new IllegalArgumentException("SCM metadata directory is not valid.");
}
{code}
{{OzoneContainer.java}}
{code}
List<StorageLocation> locations = new LinkedList<>();
String[] paths = ozoneConfig.getStrings(
OzoneConfigKeys.OZONE_CONTAINER_METADATA_DIRS);
if (paths != null && paths.length > 0) {
for (String p : paths) {
locations.add(StorageLocation.parse(p));
}
} else {
getDataDir(locations);
}
{code}
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