Daniel Templeton created HADOOP-12702:
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Summary: Add an HDFS metrics sink
Key: HADOOP-12702
URL: https://issues.apache.org/jira/browse/HADOOP-12702
Project: Hadoop Common
Issue Type: Improvement
Components: metrics
Affects Versions: 2.7.1
Reporter: Daniel Templeton
Assignee: Daniel Templeton
We need a metrics2 sink that can write metrics to HDFS. The sink should accept
as configuration a "directory prefix" and do the following in {{putMetrics()}}
* Get yyyyMMddHH from current timestamp.
* If HDFS dir "dir prefix" + yyyyMMddHH doesn't exist, create it. Close any
currently open file and create a new file called <hostname>.log in the new
directory.
* Write metrics to the current log file.
* If a write fails, it should be fatal to the process running the sink.
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