shameersss1 commented on code in PR #7067:
URL: https://github.com/apache/hadoop/pull/7067#discussion_r1774589288
##########
hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/ITestS3AEndpointRegion.java:
##########
@@ -346,6 +347,37 @@ public void
testCentralEndpointAndDifferentRegionThanBucket() throws Throwable {
assertRequesterPaysFileExistence(newConf);
}
+ @Test
+ public void testWithOutCrossRegionAccess() throws Exception {
+ describe("Verify cross region access fails when disabled");
+ final Configuration newConf = new Configuration(getConfiguration());
+ // skip the test if the region is eu-west-2
+ String region =
getFileSystem().getS3AInternals().getBucketMetadata().bucketRegion();
+ if (EU_WEST_2.equals(region)) {
Review Comment:
1. Ack.
2. As per the doc
(https://docs.aws.amazon.com/sdk-for-java/latest/developer-guide/s3-cross-region.html)
```
When you reference an existing bucket in a request, such as when you use the
putObject method, the SDK initiates a request to the Region configured for the
client.
If the bucket does not exist in that specific Region, the error response
includes the actual Region where the bucket resides. The SDK then uses the
correct Region in a second request.
To optimize future requests to the same bucket, the SDK caches this Region
mapping in the client.
```
So as per the implementation, It looks like it won't be supported by
thirdparty store and each store have to implement it separately.
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