steveloughran commented on a change in pull request #1838: HADOOP-16711 Add way
to skip verifyBuckets check in S3A fs init()
URL: https://github.com/apache/hadoop/pull/1838#discussion_r377827793
##########
File path:
hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/S3AFileSystem.java
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@@ -452,6 +450,33 @@ public void initialize(URI name, Configuration
originalConf)
}
+ /**
+ * Test bucket existence in S3.
+ * When value of {@link Constants#S3A_BUCKET_PROBE is set to 0 by client,
+ * bucket existence check is not done to improve performance of
+ * S3AFileSystem initialisation. When set to 1 or 2, bucket existence check
+ * will be performed which is potentially slow.
+ * @throws IOException
+ */
+ private void doBucketProbing() throws IOException {
Review comment:
yes. This is all just information for people looking at the code
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