[HDFS-14587] Support fail fast when client wait ACK by pipeline over threshold

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Duplicate
• Component/s: hdfs-client
• Assignee: Xiaoqiao He
• Reporter: Xiaoqiao He
• Created: 20/Jun/19 18:18
• Updated: 24/Mar/20 05:56
• Resolved: 24/Mar/20 05:56

Description

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.

2019-06-18 12:53:46,217 WARN [Thread-127] org.apache.hadoop.hdfs.DFSClient: Slow waitForAckedSeqno took 35560718ms (threshold=30000ms)

Issue Links

• duplicates: HDFS-8311 DataStreamer.transfer() should timeout the socket InputStream.