org.apache.hudi.table.action.compact

Class LogCompactionExecutionHelper<T extends HoodieRecordPayload,I,K,O>

java.lang.Object

org.apache.hudi.table.action.compact.CompactionExecutionHelper<T,I,K,O>

org.apache.hudi.table.action.compact.LogCompactionExecutionHelper<T,I,K,O>

All Implemented Interfaces:

Serializable

public class LogCompactionExecutionHelper<T extends HoodieRecordPayload,I,K,O>
extends CompactionExecutionHelper<T,I,K,O>

Strategy class to execute log compaction operations.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
LogCompactionExecutionHelper()

Method Summary

Modifier and Type	Method and Description
protected boolean	enableOptimizedLogBlockScan(HoodieWriteConfig writeConfig)
protected String	instantTimeToUseForScanning(String logCompactionInstantTime, String maxInstantTime)
protected boolean	shouldPreserveCommitMetadata()
protected void	transitionRequestedToInflight(HoodieTable table, String logCompactionInstantTime)
protected Iterator<List<WriteStatus>>	writeFileAndGetWriteStats(HoodieCompactionHandler compactionHandler, CompactionOperation operation, String instantTime, HoodieMergedLogRecordScanner scanner, Option<HoodieBaseFile> oldDataFileOpt)

Methods inherited from class java.lang.Object

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

Constructor Detail

LogCompactionExecutionHelper

public LogCompactionExecutionHelper()

Method Detail

transitionRequestedToInflight

protected void transitionRequestedToInflight(HoodieTable table,
                                             String logCompactionInstantTime)

Overrides:

transitionRequestedToInflight in class CompactionExecutionHelper<T extends HoodieRecordPayload,I,K,O>

instantTimeToUseForScanning

protected String instantTimeToUseForScanning(String logCompactionInstantTime,
                                             String maxInstantTime)

Overrides:

instantTimeToUseForScanning in class CompactionExecutionHelper<T extends HoodieRecordPayload,I,K,O>

shouldPreserveCommitMetadata

protected boolean shouldPreserveCommitMetadata()

Overrides:

shouldPreserveCommitMetadata in class CompactionExecutionHelper<T extends HoodieRecordPayload,I,K,O>

writeFileAndGetWriteStats

protected Iterator<List<WriteStatus>> writeFileAndGetWriteStats(HoodieCompactionHandler compactionHandler,
                                                                CompactionOperation operation,
                                                                String instantTime,
                                                                HoodieMergedLogRecordScanner scanner,
                                                                Option<HoodieBaseFile> oldDataFileOpt)
                                                         throws IOException

Overrides:

writeFileAndGetWriteStats in class CompactionExecutionHelper<T extends HoodieRecordPayload,I,K,O>

Throws:

IOException

enableOptimizedLogBlockScan

protected boolean enableOptimizedLogBlockScan(HoodieWriteConfig writeConfig)

Overrides:

enableOptimizedLogBlockScan in class CompactionExecutionHelper<T extends HoodieRecordPayload,I,K,O>