## org.apache.cassandra.io.sstable
Class SSTableMetadata

    java.lang.Object
      org.apache.cassandra.io.sstable.SSTableMetadata

    public class SSTableMetadata

extends java.lang.Object

Metadata for a SSTable. Metadata includes: - estimated row size histogram - estimated column count histogram - replay position - max column timestamp - compression ratio - partitioner - generations of sstables from which this sstable was compacted, if any An SSTableMetadata should be instantiated via the Collector, openFromDescriptor() or createDefaultInstance()

Nested Class Summary
`static class` `SSTableMetadata.Collector`
`static class` `SSTableMetadata.SSTableMetadataSerializer`

Field Summary
`java.util.Set<java.lang.Integer>` `ancestors`
`double` `compressionRatio`
`EstimatedHistogram` `estimatedColumnCount`
`EstimatedHistogram` `estimatedRowSize`
`long` `maxTimestamp`
`java.lang.String` `partitioner`
`ReplayPosition` `replayPosition`
`static SSTableMetadata.SSTableMetadataSerializer` `serializer`

Method Summary
`static SSTableMetadata.Collector` `createCollector()`
`static SSTableMetadata` `createDefaultInstance()`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### serializer

    public static final SSTableMetadata.SSTableMetadataSerializer serializer

### estimatedRowSize

    public final EstimatedHistogram estimatedRowSize

### estimatedColumnCount

    public final EstimatedHistogram estimatedColumnCount

### replayPosition

    public final ReplayPosition replayPosition

### maxTimestamp

    public final long maxTimestamp

### compressionRatio

    public final double compressionRatio

### partitioner

    public final java.lang.String partitioner

### ancestors

    public final java.util.Set<java.lang.Integer> ancestors

Method Detail

### createDefaultInstance

    public static SSTableMetadata createDefaultInstance()

### createCollector

    public static SSTableMetadata.Collector createCollector()

Copyright © 2013 The Apache Software Foundation