org.apache.accumulo.server.util

Class MetadataTableUtil

java.lang.Object

org.apache.accumulo.server.util.MetadataTableUtil

public class MetadataTableUtil
extends Object

provides a reference to the metadata table for updates by tablet servers

Method Summary

Methods

Modifier and Type	Method and Description
static void	addBulkLoadInProgressFlag(AccumuloServerContext context, String path)
static void	addDeleteEntries(KeyExtent extent, Set<FileRef> datafilesToDelete, ClientContext context)
static void	addDeleteEntry(AccumuloServerContext context, String tableId, String path)
static void	addLogEntry(ClientContext context, LogEntry entry, ZooLock zooLock)
static void	addTablet(KeyExtent extent, String path, ClientContext context, char timeType, ZooLock lock)
static void	chopped(AccumuloServerContext context, KeyExtent extent, ZooLock zooLock)
static void	cloneTable(ClientContext context, String srcTableId, String tableId, VolumeManager volumeManager)
static Mutation	createDeleteMutation(String tableId, String pathToRemove)
static void	createReplicationTable(ClientContext context) During an upgrade from 1.6 to 1.7, we need to add the replication table
static void	deleteTable(String tableId, boolean insertDeletes, ClientContext context, ZooLock lock)
static void	finishSplit(KeyExtent extent, Map<FileRef,DataFileValue> datafileSizes, List<FileRef> highDatafilesToRemove, ClientContext context, ZooLock zooLock)
static void	finishSplit(org.apache.hadoop.io.Text metadataEntry, Map<FileRef,DataFileValue> datafileSizes, List<FileRef> highDatafilesToRemove, ClientContext context, ZooLock zooLock)
static Map<FileRef,Long>	getBulkFilesLoaded(ClientContext context, KeyExtent extent)
static List<FileRef>	getBulkFilesLoaded(Connector conn, KeyExtent extent, long tid)
static SortedMap<FileRef,DataFileValue>	getDataFileSizes(KeyExtent extent, ClientContext context)
static Pair<List<LogEntry>,SortedMap<FileRef,DataFileValue>>	getFileAndLogEntries(ClientContext context, KeyExtent extent)
static Iterator<LogEntry>	getLogEntries(ClientContext context)
static List<LogEntry>	getLogEntries(ClientContext context, KeyExtent extent)
static Writer	getMetadataTable(ClientContext context)
static String	getRootTabletDir()
static SortedMap<org.apache.hadoop.io.Text,SortedMap<ColumnFQ,Value>>	getTabletEntries(SortedMap<Key,Value> tabletKeyValues, List<ColumnFQ> columns)
static void	moveMetaDeleteMarkers(ClientContext context) During an upgrade we need to move deletion requests for files under the !METADATA table to the root tablet.
static void	moveMetaDeleteMarkersFrom14(ClientContext context)
static void	removeBulkLoadEntries(Connector conn, String tableId, long tid)
static void	removeBulkLoadInProgressFlag(AccumuloServerContext context, String path)
static void	removeScanFiles(KeyExtent extent, Set<FileRef> scanFiles, ClientContext context, ZooLock zooLock)
static void	removeUnusedWALEntries(AccumuloServerContext context, KeyExtent extent, List<LogEntry> logEntries, ZooLock zooLock)
static void	rollBackSplit(org.apache.hadoop.io.Text metadataEntry, org.apache.hadoop.io.Text oldPrevEndRow, ClientContext context, ZooLock zooLock)
static void	setRootTabletDir(String dir)
static void	splitDatafiles(org.apache.hadoop.io.Text table, org.apache.hadoop.io.Text midRow, double splitRatio, Map<FileRef,FileUtil.FileInfo> firstAndLastRows, SortedMap<FileRef,DataFileValue> datafiles, SortedMap<FileRef,DataFileValue> lowDatafileSizes, SortedMap<FileRef,DataFileValue> highDatafileSizes, List<FileRef> highDatafilesToRemove)
static void	splitTablet(KeyExtent extent, org.apache.hadoop.io.Text oldPrevEndRow, double splitRatio, ClientContext context, ZooLock zooLock)
static void	update(ClientContext context, ZooLock zooLock, Mutation m, KeyExtent extent)
static void	update(Writer t, ZooLock zooLock, Mutation m)
static void	updateTabletCompactID(KeyExtent extent, long compactID, ClientContext context, ZooLock zooLock)
static void	updateTabletDataFile(long tid, KeyExtent extent, Map<FileRef,DataFileValue> estSizes, String time, ClientContext context, ZooLock zooLock)
static void	updateTabletDir(KeyExtent extent, String newDir, ClientContext context, ZooLock lock)
static void	updateTabletFlushID(KeyExtent extent, long flushID, ClientContext context, ZooLock zooLock)
static void	updateTabletVolumes(KeyExtent extent, List<LogEntry> logsToRemove, List<LogEntry> logsToAdd, List<FileRef> filesToRemove, SortedMap<FileRef,DataFileValue> filesToAdd, String newDir, ZooLock zooLock, AccumuloServerContext context)

Methods inherited from class java.lang.Object

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

Method Detail

getMetadataTable

public static Writer getMetadataTable(ClientContext context)

update

public static void update(ClientContext context,
          ZooLock zooLock,
          Mutation m,
          KeyExtent extent)

update

public static void update(Writer t,
          ZooLock zooLock,
          Mutation m)

updateTabletFlushID

public static void updateTabletFlushID(KeyExtent extent,
                       long flushID,
                       ClientContext context,
                       ZooLock zooLock)

updateTabletCompactID

public static void updateTabletCompactID(KeyExtent extent,
                         long compactID,
                         ClientContext context,
                         ZooLock zooLock)

updateTabletDataFile

public static void updateTabletDataFile(long tid,
                        KeyExtent extent,
                        Map<FileRef,DataFileValue> estSizes,
                        String time,
                        ClientContext context,
                        ZooLock zooLock)

updateTabletDir

public static void updateTabletDir(KeyExtent extent,
                   String newDir,
                   ClientContext context,
                   ZooLock lock)

addTablet

public static void addTablet(KeyExtent extent,
             String path,
             ClientContext context,
             char timeType,
             ZooLock lock)

updateTabletVolumes

public static void updateTabletVolumes(KeyExtent extent,
                       List<LogEntry> logsToRemove,
                       List<LogEntry> logsToAdd,
                       List<FileRef> filesToRemove,
                       SortedMap<FileRef,DataFileValue> filesToAdd,
                       String newDir,
                       ZooLock zooLock,
                       AccumuloServerContext context)

getDataFileSizes

public static SortedMap<FileRef,DataFileValue> getDataFileSizes(KeyExtent extent,
                                                ClientContext context)
                                                         throws IOException

Throws:

IOException

rollBackSplit

public static void rollBackSplit(org.apache.hadoop.io.Text metadataEntry,
                 org.apache.hadoop.io.Text oldPrevEndRow,
                 ClientContext context,
                 ZooLock zooLock)

splitTablet

public static void splitTablet(KeyExtent extent,
               org.apache.hadoop.io.Text oldPrevEndRow,
               double splitRatio,
               ClientContext context,
               ZooLock zooLock)

finishSplit

public static void finishSplit(org.apache.hadoop.io.Text metadataEntry,
               Map<FileRef,DataFileValue> datafileSizes,
               List<FileRef> highDatafilesToRemove,
               ClientContext context,
               ZooLock zooLock)

finishSplit

public static void finishSplit(KeyExtent extent,
               Map<FileRef,DataFileValue> datafileSizes,
               List<FileRef> highDatafilesToRemove,
               ClientContext context,
               ZooLock zooLock)

addDeleteEntries

public static void addDeleteEntries(KeyExtent extent,
                    Set<FileRef> datafilesToDelete,
                    ClientContext context)
                             throws IOException

Throws:

IOException

addDeleteEntry

public static void addDeleteEntry(AccumuloServerContext context,
                  String tableId,
                  String path)
                           throws IOException

Throws:

IOException

createDeleteMutation

public static Mutation createDeleteMutation(String tableId,
                            String pathToRemove)
                                     throws IOException

Throws:

IOException

removeScanFiles

public static void removeScanFiles(KeyExtent extent,
                   Set<FileRef> scanFiles,
                   ClientContext context,
                   ZooLock zooLock)

splitDatafiles

public static void splitDatafiles(org.apache.hadoop.io.Text table,
                  org.apache.hadoop.io.Text midRow,
                  double splitRatio,
                  Map<FileRef,FileUtil.FileInfo> firstAndLastRows,
                  SortedMap<FileRef,DataFileValue> datafiles,
                  SortedMap<FileRef,DataFileValue> lowDatafileSizes,
                  SortedMap<FileRef,DataFileValue> highDatafileSizes,
                  List<FileRef> highDatafilesToRemove)

deleteTable

public static void deleteTable(String tableId,
               boolean insertDeletes,
               ClientContext context,
               ZooLock lock)
                        throws AccumuloException,
                               IOException

Throws:

AccumuloException

IOException

addLogEntry

public static void addLogEntry(ClientContext context,
               LogEntry entry,
               ZooLock zooLock)

setRootTabletDir

public static void setRootTabletDir(String dir)
                             throws IOException

Throws:

IOException

getRootTabletDir

public static String getRootTabletDir()
                               throws IOException

Throws:

IOException

getFileAndLogEntries

public static Pair<List<LogEntry>,SortedMap<FileRef,DataFileValue>> getFileAndLogEntries(ClientContext context,
                                                                         KeyExtent extent)
                                                                                  throws org.apache.zookeeper.KeeperException,
                                                                                         InterruptedException,
                                                                                         IOException

Throws:

org.apache.zookeeper.KeeperException

InterruptedException

IOException

getLogEntries

public static List<LogEntry> getLogEntries(ClientContext context,
                           KeyExtent extent)
                                    throws IOException,
                                           org.apache.zookeeper.KeeperException,
                                           InterruptedException

Throws:

IOException

org.apache.zookeeper.KeeperException

InterruptedException

getLogEntries

public static Iterator<LogEntry> getLogEntries(ClientContext context)
                                        throws IOException,
                                               org.apache.zookeeper.KeeperException,
                                               InterruptedException

Throws:

IOException

org.apache.zookeeper.KeeperException

InterruptedException

removeUnusedWALEntries

public static void removeUnusedWALEntries(AccumuloServerContext context,
                          KeyExtent extent,
                          List<LogEntry> logEntries,
                          ZooLock zooLock)

cloneTable

public static void cloneTable(ClientContext context,
              String srcTableId,
              String tableId,
              VolumeManager volumeManager)
                       throws Exception

Throws:

Exception

chopped

public static void chopped(AccumuloServerContext context,
           KeyExtent extent,
           ZooLock zooLock)

removeBulkLoadEntries

public static void removeBulkLoadEntries(Connector conn,
                         String tableId,
                         long tid)
                                  throws Exception

Throws:

Exception

getBulkFilesLoaded

public static List<FileRef> getBulkFilesLoaded(Connector conn,
                               KeyExtent extent,
                               long tid)
                                        throws IOException

Throws:

IOException

getBulkFilesLoaded

public static Map<FileRef,Long> getBulkFilesLoaded(ClientContext context,
                                   KeyExtent extent)
                                            throws IOException

Throws:

IOException

addBulkLoadInProgressFlag

public static void addBulkLoadInProgressFlag(AccumuloServerContext context,
                             String path)

removeBulkLoadInProgressFlag

public static void removeBulkLoadInProgressFlag(AccumuloServerContext context,
                                String path)

createReplicationTable

public static void createReplicationTable(ClientContext context)
                                   throws IOException

During an upgrade from 1.6 to 1.7, we need to add the replication table

Throws:

IOException

moveMetaDeleteMarkers

public static void moveMetaDeleteMarkers(ClientContext context)

During an upgrade we need to move deletion requests for files under the !METADATA table to the root tablet.

moveMetaDeleteMarkersFrom14

public static void moveMetaDeleteMarkersFrom14(ClientContext context)

getTabletEntries

public static SortedMap<org.apache.hadoop.io.Text,SortedMap<ColumnFQ,Value>> getTabletEntries(SortedMap<Key,Value> tabletKeyValues,
                                                                              List<ColumnFQ> columns)