Arpit Agarwal created HDFS-5455:
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Summary: NN needs to update storageMap on first heartbeat
Key: HDFS-5455
URL: https://issues.apache.org/jira/browse/HDFS-5455
Project: Hadoop HDFS
Issue Type: Sub-task
Components: namenode
Affects Versions: Heterogeneous Storage (HDFS-2832)
Reporter: Arpit Agarwal
Assignee: Arpit Agarwal
Currently the NN updates {{DatanodeDescriptor#storageMap}} while processing
block reports but not from heartbeats. This results in the
{{DatanodeStorageInfo#blockContentsStale}} being stale even after the first
heartbeat is received.
{code}
void receivedBlockReport() {
if (heartbeatedSinceFailover) {
blockContentsStale = false;
{code}
To preserve existing behavior we can just start updating storageMap if we see a
new storage ID in a heartbeart.
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