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Posted to github@beam.apache.org by GitBox <gi...@apache.org> on 2021/11/15 11:27:40 UTC

[GitHub] [beam] mosche opened a new pull request #15973: [BEAM-13233] Replace AWS API used to list shards from DescribeStream to ListShards (AWS SDK v2)

mosche opened a new pull request #15973:
URL: https://github.com/apache/beam/pull/15973


   This PR is porting BEAM-12225 (https://github.com/apache/beam/pull/14743) (AWS SDK v1) to the SDK v2.
   
   Beam currently uses AWS DescribeStream API to list Kinesis shards. There are few problems with it:
   
   - it is deprecated as per AWS documentation
   - it is slow, as it requires additional validation of listed shards (it returns all of them, including closed ones, so GetShardIterator calls are required)
   - it has low transaction limit per second (per account)
   - AWS changed the behaviour of GetShardIterator (it returns iterator for closed shards) and because of that Beam might read too old data, leading to increase in costs and delay
   
   Use of ListShards API eliminates problems mentioned above.
   
   
   ------------------------
   
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   --------------------------------------------------------
   
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         <th>Lang</th>
         <th>ULR</th>
         <th>Dataflow</th>
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   Examples testing status on various runners
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         <td>Go</td>
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         <td>---</td>
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   Post-Commit SDK/Transform Integration Tests Status (on master branch)
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   Pre-Commit Tests Status (on master branch)
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         <td>---</td>
         <td>---</td>
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[GitHub] [beam] echauchot commented on pull request #15973: [BEAM-13233] Replace AWS API used to list shards from DescribeStream to ListShards (AWS SDK v2)

Posted by GitBox <gi...@apache.org>.
echauchot commented on pull request #15973:
URL: https://github.com/apache/beam/pull/15973#issuecomment-995999230


   @mosche reviewing ...


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[GitHub] [beam] mosche commented on pull request #15973: [BEAM-13233] Replace AWS API used to list shards from DescribeStream to ListShards (AWS SDK v2)

Posted by GitBox <gi...@apache.org>.
mosche commented on pull request #15973:
URL: https://github.com/apache/beam/pull/15973#issuecomment-979883084


   @echauchot Could you review this PR? 🙏 
   While a bit bigger, it's simply porting https://github.com/apache/beam/pull/14743 for SDK v1 to SDK v2. A review should be fairly straight forward if comparing the two PRs. 


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[GitHub] [beam] echauchot commented on a change in pull request #15973: [BEAM-13233] Replace AWS API used to list shards from DescribeStream to ListShards (AWS SDK v2)

Posted by GitBox <gi...@apache.org>.
echauchot commented on a change in pull request #15973:
URL: https://github.com/apache/beam/pull/15973#discussion_r770733369



##########
File path: sdks/java/io/amazon-web-services2/src/test/java/org/apache/beam/sdk/io/aws2/kinesis/AmazonKinesisMock.java
##########
@@ -326,8 +304,23 @@ public IncreaseStreamRetentionPeriodResponse increaseStreamRetentionPeriod(
   }
 
   @Override
-  public ListShardsResponse listShards(ListShardsRequest listShardsRequest) {
-    throw new RuntimeException("Not implemented");
+  public ListShardsResponse listShards(ListShardsRequest listShardsRequest)
+      throws LimitExceededException {
+    if (expectedListShardsLimitExceededException) {
+      throw LimitExceededException.builder().message("ListShards rate limit exceeded").build();
+    }
+
+    List<Shard> shards =
+        IntStream.range(0, shardedData.size())
+            .boxed()
+            .map(i -> Shard.builder().shardId(Integer.toString(i)).build())
+            .collect(Collectors.toList());
+
+    return (ListShardsResponse)

Review comment:
       `ListShardsResponse` with builder and http response is indeed better than the previous version 

##########
File path: sdks/java/io/amazon-web-services2/src/test/java/org/apache/beam/sdk/io/aws2/kinesis/DynamicCheckpointGeneratorTest.java
##########
@@ -20,22 +20,21 @@
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.mockito.Mockito.when;
 
-import java.util.Set;
-import org.apache.beam.vendor.guava.v26_0_jre.com.google.common.collect.Sets;
+import java.util.List;
+import org.apache.beam.vendor.guava.v26_0_jre.com.google.common.collect.ImmutableList;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
-import org.powermock.modules.junit4.PowerMockRunner;
+import org.mockito.junit.MockitoJUnitRunner;
 import software.amazon.awssdk.services.kinesis.model.Shard;
 import software.amazon.kinesis.common.InitialPositionInStream;
 
 /** * */
-@RunWith(PowerMockRunner.class)
+@RunWith(MockitoJUnitRunner.class)

Review comment:
       yes mockito is our prefered mocking framework




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[GitHub] [beam] mosche commented on pull request #15973: [BEAM-13233] Replace AWS API used to list shards from DescribeStream to ListShards (AWS SDK v2)

Posted by GitBox <gi...@apache.org>.
mosche commented on pull request #15973:
URL: https://github.com/apache/beam/pull/15973#issuecomment-997805584


   Thanks @echauchot 🎉 


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[GitHub] [beam] mosche commented on pull request #15973: [BEAM-13233] Replace AWS API used to list shards from DescribeStream to ListShards (AWS SDK v2)

Posted by GitBox <gi...@apache.org>.
mosche commented on pull request #15973:
URL: https://github.com/apache/beam/pull/15973#issuecomment-968822208


   R: @aromanenko-dev 
   R: @j-arrow 


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[GitHub] [beam] mosche commented on pull request #15973: [BEAM-13233] Replace AWS API used to list shards from DescribeStream to ListShards (AWS SDK v2)

Posted by GitBox <gi...@apache.org>.
mosche commented on pull request #15973:
URL: https://github.com/apache/beam/pull/15973#issuecomment-969044411


   R: @iemejia


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[GitHub] [beam] echauchot commented on pull request #15973: [BEAM-13233] Replace AWS API used to list shards from DescribeStream to ListShards (AWS SDK v2)

Posted by GitBox <gi...@apache.org>.
echauchot commented on pull request #15973:
URL: https://github.com/apache/beam/pull/15973#issuecomment-992494766


   @mosche @aaltay I have something to finish on Apache Flink to fix the build (flaky tests) and I review this PR
   


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[GitHub] [beam] echauchot merged pull request #15973: [BEAM-13233] Replace AWS API used to list shards from DescribeStream to ListShards (AWS SDK v2)

Posted by GitBox <gi...@apache.org>.
echauchot merged pull request #15973:
URL: https://github.com/apache/beam/pull/15973


   


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[GitHub] [beam] echauchot commented on pull request #15973: [BEAM-13233] Replace AWS API used to list shards from DescribeStream to ListShards (AWS SDK v2)

Posted by GitBox <gi...@apache.org>.
echauchot commented on pull request #15973:
URL: https://github.com/apache/beam/pull/15973#issuecomment-997733259


   @mosche only 5 more files to left to review


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