Package org.apache.solr.handler

Class IncrementalShardBackup

java.lang.Object

org.apache.solr.handler.IncrementalShardBackup

public class IncrementalShardBackup
extends Object

Responsible for orchestrating the actual incremental backup process.

If this is the first backup for a collection, all files are uploaded. But if previous backups exist, uses the most recent ShardBackupMetadata file to determine which files already exist in the repository and can be skipped.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	IncrementalShardBackup.IncrementalShardSnapshotResponse

Constructor Summary

Constructors

Constructor	Description
IncrementalShardBackup(BackupRepository backupRepo, SolrCore solrCore, BackupFilePaths incBackupFiles, ShardBackupId prevShardBackupId, ShardBackupId shardBackupId, Optional<String> commitNameOption)

Method Summary

Modifier and Type	Method	Description
IncrementalShardBackup.IncrementalShardSnapshotResponse	backup()
protected IncrementalShardBackup.IncrementalShardSnapshotResponse	backup(org.apache.lucene.index.IndexCommit indexCommit)

Methods inherited from class java.lang.Object

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

Constructor Details

IncrementalShardBackup

public IncrementalShardBackup(BackupRepository backupRepo,
 SolrCore solrCore,
 BackupFilePaths incBackupFiles,
 ShardBackupId prevShardBackupId,
 ShardBackupId shardBackupId,
 Optional<String> commitNameOption)

Parameters:

prevShardBackupId - previous ShardBackupMetadata file which will be used for skipping uploading index files already present in this file.

shardBackupId - file where all meta data of this backup will be stored to.

Method Details

backup

public IncrementalShardBackup.IncrementalShardSnapshotResponse backup()
                                                               throws Exception

Throws:

Exception

backup

protected IncrementalShardBackup.IncrementalShardSnapshotResponse backup(org.apache.lucene.index.IndexCommit indexCommit)
                                                                  throws Exception

Throws:

Exception