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[DOCFIX] Update the Journal
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add UFS journal options configuration

pr-link: Alluxio#10215
change-id: cid-1703d5724e53430fa951bdba2bb8a6c71684bb83
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zhipcui authored Apr 22, 2020
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5 changes: 5 additions & 0 deletions docs/en/operation/Journal.md
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Expand Up @@ -65,11 +65,16 @@ recommended to put the journal in an object store like S3. With an object store,
metadata operation requires a new object to be created, which is
prohibitively slow for most serious use cases.

UFS journal options can be configured using the configuration prefix:

`alluxio.master.journal.ufs.option.<some alluxio property>`

**Configuration examples:**

Use HDFS to store the journal:
```
alluxio.master.journal.folder=hdfs://[namenodeserver]:[namenodeport]/alluxio_journal
alluxio.master.journal.ufs.option.alluxio.underfs.version=2.6
```

Use the local file system to store the journal:
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