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https://issues.apache.org/jira/browse/FLINK-5815?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15885739#comment-15885739
]
ASF GitHub Bot commented on FLINK-5815:
---------------------------------------
Github user tillrohrmann commented on a diff in the pull request:
https://github.com/apache/flink/pull/3388#discussion_r103181903
--- Diff: flink-core/src/main/java/org/apache/flink/util/FileUtils.java ---
@@ -258,7 +261,82 @@ public static boolean deletePathIfEmpty(FileSystem
fileSystem, Path path) throws
return false;
}
}
-
+
+ /**
+ * Check whether the two given filesystem is the same or not
+ *
+ * @param srcFs
+ * @param destFs
+ * @return
+ */
+ public static boolean compareFs(FileSystem srcFs, FileSystem destFs) {
--- End diff --
Don't we compare two URIs instead of two filesystems here? The only purpose
we pass `srcFs` and `destFs` to this method is to obtain their URIs.
> Add resource files configuration for Yarn Mode
> ----------------------------------------------
>
> Key: FLINK-5815
> URL: https://issues.apache.org/jira/browse/FLINK-5815
> Project: Flink
> Issue Type: Improvement
> Components: Client, YARN
> Affects Versions: 1.3.0
> Reporter: Wenlong Lyu
> Assignee: Wenlong Lyu
>
> Currently in flink, when we want to setup a resource file to distributed
> cache, we need to make the file accessible remotely by a url, which is often
> difficult to maintain a service like that. What's more, when we want do add
> some extra jar files to job classpath, we need to copy the jar files to blob
> server when submitting the jobgraph. In yarn, especially in flip-6, the blob
> server is not running yet when we try to start a flink job.
> Yarn has a efficient distributed cache implementation for application running
> on it, what's more we can be easily share the files stored in hdfs in
> different application by distributed cache without extra IO operations.
> I suggest to introduce -yfiles, -ylibjars -yarchives options to FlinkYarnCLI
> to enable yarn user setup their job resource files by yarn distributed cache.
> The options is compatible with what is used in mapreduce, which make it easy
> to use for yarn user who generally has experience on using mapreduce.
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