Package com.hazelcast.cp

Class RaftLogFileExporter

java.lang.Object

com.hazelcast.cp.RaftLogFileExporter

public final class RaftLogFileExporter
extends Object

A command-line utility to export and convert Raft log files from one Hazelcast cluster version format to another. This tool is essential for backward compatibility, allowing for smooth data migration between versions. It operates by creating a clean copy of CP member directories and then populating them with converted Raft state files.

Constructor Summary

Constructors

Constructor	Description
RaftLogFileExporter(com.hazelcast.version.Version sourceClusterVersion, com.hazelcast.version.Version targetClusterVersion, int maxUncommittedEntries)

Method Summary

Modifier and Type	Method	Description
void	exportSingleFile(Path sourceFile, Path targetLogDir)
static void	main(String[] args)
void	processDirectory(Path sourceDir, String outputDirName)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

RaftLogFileExporter

public RaftLogFileExporter(com.hazelcast.version.Version sourceClusterVersion,
 com.hazelcast.version.Version targetClusterVersion,
 int maxUncommittedEntries)

Method Details

main

public static void main(String[] args)

processDirectory

public void processDirectory(Path sourceDir,
 String outputDirName)
                      throws IOException

Throws:

IOException

exportSingleFile

public void exportSingleFile(Path sourceFile,
 Path targetLogDir)
                      throws IOException

Throws:

IOException