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https://issues.apache.org/jira/browse/HADOOP-13600?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16165696#comment-16165696
]
ASF GitHub Bot commented on HADOOP-13600:
-----------------------------------------
Github user sahilTakiar commented on a diff in the pull request:
https://github.com/apache/hadoop/pull/157#discussion_r138791863
--- Diff:
hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/S3AFileSystem.java
---
@@ -241,26 +242,17 @@ public StorageStatistics provide() {
}
});
- int maxThreads = conf.getInt(MAX_THREADS, DEFAULT_MAX_THREADS);
- if (maxThreads < 2) {
- LOG.warn(MAX_THREADS + " must be at least 2: forcing to 2.");
- maxThreads = 2;
- }
+ int maxThreads = getMaxThreads(conf, MAX_THREADS,
DEFAULT_MAX_THREADS);
int totalTasks = intOption(conf,
MAX_TOTAL_TASKS, DEFAULT_MAX_TOTAL_TASKS, 1);
long keepAliveTime = longOption(conf, KEEPALIVE_TIME,
DEFAULT_KEEPALIVE_TIME, 0);
+
--- End diff --
Fixed
> 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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