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Posted to issues@spark.apache.org by "Shixiong Zhu (JIRA)" <ji...@apache.org> on 2016/12/28 18:13:58 UTC
[jira] [Updated] (SPARK-17475) HDFSMetadataLog should not leak CRC
files
[ https://issues.apache.org/jira/browse/SPARK-17475?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Shixiong Zhu updated SPARK-17475:
---------------------------------
Component/s: (was: DStreams)
Structured Streaming
> HDFSMetadataLog should not leak CRC files
> -----------------------------------------
>
> Key: SPARK-17475
> URL: https://issues.apache.org/jira/browse/SPARK-17475
> Project: Spark
> Issue Type: Sub-task
> Components: Structured Streaming
> Affects Versions: 2.0.1
> Reporter: Frederick Reiss
> Assignee: Frederick Reiss
> Fix For: 2.1.0
>
>
> When HDFSMetadataLog uses a log directory on a filesystem other than HDFS (i.e. NFS or the driver node's local filesystem), the class leaves orphan checksum (CRC) files in the log directory. The files have names that follow the pattern "..[long UUID hex string].tmp.crc". These files exist because HDFSMetaDataLog renames other temporary files without renaming the corresponding checksum files. There is one CRC file per batch, so the directory fills up quite quickly.
> I'm not certain, but this problem might also occur on certain versions of the HDFS APIs.
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