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https://issues.apache.org/jira/browse/HDFS-17884?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18060220#comment-18060220
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ASF GitHub Bot commented on HDFS-17884:
---------------------------------------
pan3793 opened a new pull request, #8268:
URL: https://github.com/apache/hadoop/pull/8268
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### Description of PR
Those classes were forked from Guava in HDFS-11511. During those days,
Hadoop used Guava 11, which didn't support `TimeoutFuture`.
Now Hadoop uses Guava 33, so it's unnecessary to maintain those forked
classes, this change simplifies the codebase, also eliminates `sun.misc.Unsafe`
usage.
### How was this patch tested?
Pass UT added by HDFS-11511
```
$ ./mvnw -pl :hadoop-hdfs -am clean install -DskipTests
$ ./mvnw -pl :hadoop-hdfs test
"-Dtest=org.apache.hadoop.hdfs.server.datanode.checker.Test*"
...
[INFO] -------------------------------------------------------
[INFO] T E S T S
[INFO] -------------------------------------------------------
[INFO] Running
org.apache.hadoop.hdfs.server.datanode.checker.TestDatasetVolumeChecker
OpenJDK 64-Bit Server VM warning: Sharing is only supported for boot loader
classes because bootstrap classpath has been appended
[INFO] Tests run: 12, Failures: 0, Errors: 0, Skipped: 0, Time elapsed:
0.991 s
> Remove forked Guava TimeoutFuture
> ---------------------------------
>
> Key: HDFS-17884
> URL: https://issues.apache.org/jira/browse/HDFS-17884
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: hdfs
> Reporter: Cheng Pan
> Priority: Major
>
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