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HADOOP-17386. Change default fs.s3a.buffer.dir to be under Yarn container path on yarn applications (#3908) 

Co-authored-by: Monthon Klongklaew <monthonk@amazon.com>
Signed-off-by: Akira Ajisaka <aajisaka@apache.org>
This commit is contained in:
monthonk 2022-02-22 04:50:27 +00:00 committed by Steve Loughran
parent afb863acf4
commit 30dcd044c3
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3 changed files with 16 additions and 7 deletions
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7
hadoop-common-project/hadoop-common/src/main/resources/core-default.xml
View File

@ -1602,9 +1602,12 @@
<property>
<name>fs.s3a.buffer.dir</name>
<value>${hadoop.tmp.dir}/s3a</value>
<value>${env.LOCAL_DIRS:-${hadoop.tmp.dir}}/s3a</value>
<description>Comma separated list of directories that will be used to buffer file
uploads to.</description>
uploads to.
Yarn container path will be used as default value on yarn applications,
otherwise fall back to hadoop.tmp.dir
</description>
</property>
<property>

2
hadoop-tools/hadoop-aws/src/site/markdown/tools/hadoop-aws/committers.md
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@ -545,7 +545,7 @@ The table below provides a summary of each option.
| Option | Meaning | Default |
|--------|---------|---------|
| `mapreduce.fileoutputcommitter.marksuccessfuljobs` | Write a `_SUCCESS` file on the successful completion of the job. | `true` |
| `fs.s3a.buffer.dir` | Local filesystem directory for data being written and/or staged. | `${hadoop.tmp.dir}/s3a` |
| `fs.s3a.buffer.dir` | Local filesystem directory for data being written and/or staged. | `${env.LOCAL_DIRS:-${hadoop.tmp.dir}}/s3a` |
| `fs.s3a.committer.magic.enabled` | Enable "magic committer" support in the filesystem. | `true` |
| `fs.s3a.committer.abort.pending.uploads` | list and abort all pending uploads under the destination path when the job is committed or aborted. | `true` |
| `fs.s3a.committer.threads` | Number of threads in committers for parallel operations on files.| -4 |

14
hadoop-tools/hadoop-aws/src/site/markdown/tools/hadoop-aws/index.md
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@ -972,9 +972,12 @@ options are covered in [Testing](./testing.md).
<property>
<name>fs.s3a.buffer.dir</name>
<value>${hadoop.tmp.dir}/s3a</value>
<value>${env.LOCAL_DIRS:-${hadoop.tmp.dir}}/s3a</value>
<description>Comma separated list of directories that will be used to buffer file
uploads to.</description>
uploads to.
Yarn container path will be used as default value on yarn applications,
otherwise fall back to hadoop.tmp.dir
</description>
</property>
<property>
@ -1824,9 +1827,12 @@ consumed, and so eliminates heap size as the limiting factor in queued uploads
<property>
<name>fs.s3a.buffer.dir</name>
<value>${hadoop.tmp.dir}/s3a</value>
<value>${env.LOCAL_DIRS:-${hadoop.tmp.dir}}/s3a</value>
<description>Comma separated list of directories that will be used to buffer file
uploads to.</description>
uploads to.
Yarn container path will be used as default value on yarn applications,
otherwise fall back to hadoop.tmp.dir
</description>
</property>
```