He Xiaoqiao created HDFS-14587:
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Summary: Support fail fast when client wait ACK by pipeline over
threshold
Key: HDFS-14587
URL: https://issues.apache.org/jira/browse/HDFS-14587
Project: Hadoop HDFS
Issue Type: Improvement
Components: hdfs-client
Reporter: He Xiaoqiao
Assignee: He Xiaoqiao
Recently, I meet corner case that client wait for data to be acknowledged by
pipeline over 9 hours. After check branch trunk, I think this issue still
exist. So I propose to add threshold about wait timeout then fail fast.
{code:java}
2019-06-18 12:53:46,217 WARN [Thread-127] org.apache.hadoop.hdfs.DFSClient:
Slow waitForAckedSeqno took 35560718ms (threshold=30000ms)
{code}
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