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Posted to issues@flink.apache.org by "Kostas Kloudas (JIRA)" <ji...@apache.org> on 2019/02/08 09:49:00 UTC
[jira] [Reopened] (FLINK-11496) Flink S3 FileSystem is not handling
multiple local temp directories
[ https://issues.apache.org/jira/browse/FLINK-11496?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Kostas Kloudas reopened FLINK-11496:
------------------------------------
> Flink S3 FileSystem is not handling multiple local temp directories
> -------------------------------------------------------------------
>
> Key: FLINK-11496
> URL: https://issues.apache.org/jira/browse/FLINK-11496
> Project: Flink
> Issue Type: Bug
> Reporter: Elango Ganesan
> Assignee: Kostas Kloudas
> Priority: Major
> Fix For: 1.7.1
>
>
> We think S3 Flink Filesystem when creating localTemp directory is not splitting and handling the availability of multiple local temp directories . As a result we are seeing exception mentioned below any time we run in a EC2 instance type with more than one ephemeral drive or EBS volume.
>
> [https://github.com/apache/flink/blob/master/flink-filesystems/flink-s3-fs-base/src/main/java/org/apache/flink/fs/s3/common/FlinkS3FileSystem.java#L101]
> Timestamp: 2019-01-29, 12:42:39
> java.nio.file.NoSuchFileException: /mnt/yarn/usercache/hadoop/appcache/application_1548598173158_0004,/mnt1/yarn/usercache/hadoop/appcache/application_1548598173158_0004/.tmp_072167ee-6432-412c-809a-bd0599961cf0
> at sun.nio.fs.UnixException.translateToIOException(UnixException.java:86)
> at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:102)
> at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:107)
> at sun.nio.fs.UnixFileSystemProvider.newByteChannel(UnixFileSystemProvider.java:214)
> at java.nio.file.spi.FileSystemProvider.newOutputStream(FileSystemProvider.java:434)
> at java.nio.file.Files.newOutputStream(Files.java:216)
> at org.apache.flink.fs.s3.common.utils.RefCountedTmpFileCreator.apply(RefCountedTmpFileCreator.java:80)
> at org.apache.flink.fs.s3.common.utils.RefCountedTmpFileCreator.apply(RefCountedTmpFileCreator.java:39)
> at org.apache.flink.fs.s3.common.utils.RefCountedBufferingFileStream.openNew(RefCountedBufferingFileStream.java:174)
> at org.apache.flink.fs.s3.common.writer.S3RecoverableFsDataOutputStream.boundedBufferingFileStream(S3RecoverableFsDataOutputStream.java:271)
> at org.apache.flink.fs.s3.common.writer.S3RecoverableFsDataOutputStream.newStream(S3RecoverableFsDataOutputStream.java:236)
> at org.apache.flink.fs.s3.common.writer.S3RecoverableWriter.open(S3RecoverableWriter.java:78)
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