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Posted to common-issues@hadoop.apache.org by GitBox <gi...@apache.org> on 2020/09/12 00:21:06 UTC

[GitHub] [hadoop] JohnZZGithub commented on a change in pull request #2223: MAPREDUCE-7294. Fix the bug to make sure only application master upload resource to Yarn Shared Cache

JohnZZGithub commented on a change in pull request #2223:
URL: https://github.com/apache/hadoop/pull/2223#discussion_r487341619



##########
File path: hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/Job.java
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@@ -1450,26 +1450,33 @@ public static void setArchiveSharedCacheUploadPolicies(Configuration conf,
    */
   private static void setSharedCacheUploadPolicies(Configuration conf,
       Map<String, Boolean> policies, boolean areFiles) {
-    if (policies != null) {

Review comment:
       The bug is when the policies are empty it won't clean up the existing policies.




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