mymeiyi commented on a change in pull request #4003:
URL: https://github.com/apache/hbase/pull/4003#discussion_r779324372
##########
File path:
hbase-mapreduce/src/main/java/org/apache/hadoop/hbase/mapreduce/WALPlayer.java
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@@ -344,6 +345,9 @@ public Job createSubmittableJob(String[] args) throws
IOException {
try {
TableMapReduceUtil.addDependencyJarsForClasses(job.getConfiguration(),
Class.forName(codecCls));
+ // get delegation token for the filesystem
+ TokenCache.obtainTokensForNamenodes(job.getCredentials(), new Path[] {
new Path(inputDirs) },
Review comment:
I think JobSubmitter get a token from hdfs for yarn cluster, here we
also need a token from hdfs for hbase cluster
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