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https://issues.apache.org/jira/browse/HADOOP-13600?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16164651#comment-16164651
]
ASF GitHub Bot commented on HADOOP-13600:
-----------------------------------------
Github user steveloughran commented on a diff in the pull request:
https://github.com/apache/hadoop/pull/157#discussion_r138618823
--- Diff:
hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/CopyContext.java
---
@@ -0,0 +1,34 @@
+package org.apache.hadoop.fs.s3a;
+
+import com.amazonaws.services.s3.transfer.Copy;
+
+class CopyContext {
+
+ private final Copy copy;
+ private final String srcKey;
+ private final String dstKey;
+ private final long length;
+
+ CopyContext(Copy copy, String srcKey, String dstKey, long length) {
+ this.copy = copy;
+ this.srcKey = srcKey;
+ this.dstKey = dstKey;
+ this.length = length;
+ }
+
+ Copy getCopy() {
+ return copy;
+ }
+
+ String getSrcKey() {
+ return srcKey;
+ }
+
+ String getDstKey() {
--- End diff --
no, go on, use "destKey". We can afford the letter e's
> S3a rename() to copy files in a directory in parallel
> -----------------------------------------------------
>
> Key: HADOOP-13600
> URL: https://issues.apache.org/jira/browse/HADOOP-13600
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Affects Versions: 2.7.3
> Reporter: Steve Loughran
> Assignee: Sahil Takiar
> Attachments: HADOOP-13600.001.patch
>
>
> Currently a directory rename does a one-by-one copy, making the request
> O(files * data). If the copy operations were launched in parallel, the
> duration of the copy may be reducable to the duration of the longest copy.
> For a directory with many files, this will be significant
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