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https://issues.apache.org/jira/browse/HADOOP-19331?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17915932#comment-17915932
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ASF GitHub Bot commented on HADOOP-19331:
-----------------------------------------
zhouaoe opened a new pull request, #7314:
URL: https://github.com/apache/hadoop/pull/7314
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### Description of PR
Optimize the process by reducing some extra QPS.
1 Create: Reduce one HEAD operation for coverage operations.
2 Rename: Reduce an additional PUT operation. During the rename process,
when determining whether to create a virtual empty directory, we check if the
parent directory exists afterward. There is a bug in the original OSS code that
leads to it creating the directory every time.
3 Delete: Reduce one HEAD operation when creating a virtual parent
directory. For the operation of creating a parent directory, use OSS server
features to create it only when the target does not
exist.(（[https://www.alibabacloud.com/help/en/oss/user-guide/simple-upload?spm=a2c63.p38356.help-menu-31815.d_2_3_1_0.13644b78AT3Hyj）](https://www.alibabacloud.com/help/en/oss/user-guide/simple-upload?spm=a2c63.p38356.help-menu-31815.d_2_3_1_0.13644b78AT3Hyj%EF%BC%89))
image
### How was this patch tested?
1 Add new unit tests (UT)
TestAliyunOSSFileSystemCreateFileListV1
TestAliyunOSSFileSystemCreateFileListV2
TestAliyunOSSFileSystemRenameFile
2 Modify relevant integration tests
TestAliyunOSSBlockOutputStream
3 test integration tests and unit tests are executed
mvn test -pl hadoop-tools/hadoop-aliyun

image
hadoop@96c5b859c556:~$ mvn test
-Dtest=org.apache.hadoop.fs.aliyun.oss.TestAliyunOSSFileSystemCreateFileListV1
-pl hadoop-tools/hadoop-aliyun

image
hadoop@96c5b859c556:~$ mvn test
-Dtest=org.apache.hadoop.fs.aliyun.oss.TestAliyunOSSFileSystemCreateFileListV2
-pl hadoop-tools/hadoop-aliyun

image
hadoop@96c5b859c556:~$ mvn test
-Dtest=org.apache.hadoop.fs.aliyun.oss.TestAliyunOSSFileSystemDeleteFile -pl
hadoop-tools/hadoop-aliyun

image
hadoop@96c5b859c556:~$ mvn test
-Dtest=org.apache.hadoop.fs.aliyun.oss.TestAliyunOSSFileSystemRenameFile -pl
hadoop-tools/hadoop-aliyun1s

image
### For code changes:
- [x] Does the title or this PR starts with the corresponding JIRA issue id
(e.g. 'HADOOP-17799. Your PR title ...')?
- [x] Object storage: have the integration tests been executed and the
endpoint declared according to the connector-specific documentation?
- [ ] If adding new dependencies to the code, are these dependencies
licensed in a way that is compatible for inclusion under [ASF
2.0](http://www.apache.org/legal/resolved.html#category-a)?
- [ ] If applicable, have you updated the `LICENSE`, `LICENSE-binary`,
`NOTICE-binary` files?
> AliyunOSS ：Optimize the process by reducing some extra QPS.
> -----------------------------------------------------------
>
> Key: HADOOP-19331
> URL: https://issues.apache.org/jira/browse/HADOOP-19331
> Project: Hadoop Common
> Issue Type: Improvement
> Components: fs/oss
> Reporter: zhouao
> Priority: Major
> Labels: pull-request-available
>
> AliyunOSSConnector has not been updated for a long time. It implements basic
> functionality, but its performance is not optimal, especially in terms of
> QPS requests. It generates a significant number of invalid QPS, which
> increases the cost on the storage service side and also reduces the
> efficiency on the connector side.
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