JournalUpgrader (Alluxio Parent 2.4.2-SNAPSHOT API)

java.lang.Object
- alluxio.master.journal.JournalUpgrader

@NotThreadSafe
public final class JournalUpgrader
extends Object

Tool to upgrade journal from v0 to v1. Format the v1 journal before running this tool. It is strongly recommended to backup the v0 journal before running this tool to avoid losing any data in case of failures.

 java -cp \
   assembly/server/target/alluxio-assembly-server--jar-with-dependencies.jar \
   alluxio.master.journal.JournalUpgrader -journalDirectoryV0 YourJournalDirectoryV0

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method and Description
`static void`	`main(String[] args)` Reads a journal via `java -cp \ assembly/server/target/alluxio-assembly-server-<ALLUXIO-VERSION>-jar-with-dependencies.jar \ alluxio.master.journal.JournalUpgrader -master BlockMaster`.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - main
```
public static void main(String[] args)
```
    Reads a journal via java -cp \ assembly/server/target/alluxio-assembly-server-<ALLUXIO-VERSION>-jar-with-dependencies.jar \ alluxio.master.journal.JournalUpgrader -master BlockMaster.
    
    Parameters:
    
    args - arguments passed to the tool

Class JournalUpgrader

Method Summary

Methods inherited from class java.lang.Object

Method Detail

main