Yiqun Lin created HDFS-11494:
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Summary: Log message when DN is not selected for block replication
Key: HDFS-11494
URL: https://issues.apache.org/jira/browse/HDFS-11494
Project: Hadoop HDFS
Issue Type: Improvement
Affects Versions: 3.0.0-alpha2
Reporter: Yiqun Lin
Assignee: Yiqun Lin
Priority: Minor
In HDFS-8946, a important message was removed.
{code}
if (requiredSize > remaining - scheduledSize) {
logNodeIsNotChosen(storage, "the node does not have enough "
+ storage.getStorageType() + " space"
+ " (required=" + requiredSize
+ ", scheduled=" + scheduledSize
+ ", remaining=" + remaining + ")");
return false;
}
{code}
This log is important since it can tell us why DN is not selected for block
replication. And it will be good for us to debug issues.
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