@InterfaceAudience.Private public class FIFOCompactionPolicy extends ExploringCompactionPolicy
comConf, storeConfigInfo
Constructor and Description |
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FIFOCompactionPolicy(Configuration conf,
StoreConfigInformation storeConfigInfo) |
Modifier and Type | Method and Description |
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boolean |
isMajorCompaction(Collection<StoreFile> filesToCompact) |
boolean |
needsCompaction(Collection<StoreFile> storeFiles,
List<StoreFile> filesCompacting) |
CompactionRequest |
selectCompaction(Collection<StoreFile> candidateFiles,
List<StoreFile> filesCompacting,
boolean isUserCompaction,
boolean mayUseOffPeak,
boolean forceMajor) |
applyCompactionPolicy
getNextMajorCompactTime, preSelectCompactionForCoprocessor, throttleCompaction
getConf, setConf
public FIFOCompactionPolicy(Configuration conf, StoreConfigInformation storeConfigInfo)
public CompactionRequest selectCompaction(Collection<StoreFile> candidateFiles, List<StoreFile> filesCompacting, boolean isUserCompaction, boolean mayUseOffPeak, boolean forceMajor) throws IOException
selectCompaction
in class RatioBasedCompactionPolicy
candidateFiles
- candidate files, ordered from oldest to newest. All files in store.IOException
public boolean isMajorCompaction(Collection<StoreFile> filesToCompact) throws IOException
isMajorCompaction
in class RatioBasedCompactionPolicy
filesToCompact
- Files to compact. Can be null.IOException
public boolean needsCompaction(Collection<StoreFile> storeFiles, List<StoreFile> filesCompacting)
needsCompaction
in class RatioBasedCompactionPolicy