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Posted to issues@ambari.apache.org by "Hemanth Yamijala (JIRA)" <ji...@apache.org> on 2016/07/21 14:16:20 UTC
[jira] [Created] (AMBARI-17834) HDFS copy thread in OutputHDFSFile
is not removing files that are processed
Hemanth Yamijala created AMBARI-17834:
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Summary: HDFS copy thread in OutputHDFSFile is not removing files that are processed
Key: AMBARI-17834
URL: https://issues.apache.org/jira/browse/AMBARI-17834
Project: Ambari
Issue Type: Bug
Components: ambari-logsearch
Reporter: Hemanth Yamijala
Consider the HDFS copy thread here: https://github.com/apache/ambari/blob/trunk/ambari-logsearch/ambari-logsearch-logfeeder/src/main/java/org/apache/ambari/logfeeder/output/OutputHDFSFile.java#L177
It uses a data structure localReadyFiles that has the list of files to copy to HDFS. But AFAICS, nowhere are processed files removed from this data structure. This could result in multiple incorrect behaviours:
* Over a period of time, this structure could keep growing indefinitely. While the check for existence of files will allow progress, it will take longer and longer to run.
* The check to wait when there are no files to process will never pass because the size of the data structure will never be 0. This could lead to tight looped checks and some utilization issues.
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