| Package | Description | 
|---|---|
| org.apache.hadoop.hbase.io.asyncfs | |
| org.apache.hadoop.hbase.io.encoding | |
| org.apache.hadoop.hbase.io.hfile | Provides implementations of  HFileand HFileBlockCache. | 
| Modifier and Type | Field and Description | 
|---|---|
| private ByteArrayOutputStream | WrapperAsyncFSOutput. buffer | 
| Modifier and Type | Method and Description | 
|---|---|
| private void | WrapperAsyncFSOutput. flush0(CompletableFuture<Long> future,
      ByteArrayOutputStream buffer,
      boolean sync) | 
| Modifier and Type | Field and Description | 
|---|---|
| private ByteArrayOutputStream | HFileBlockDefaultEncodingContext. compressedByteStreamUnderlying stream to write compressed bytes to | 
| private ByteArrayOutputStream | HFileBlockDefaultEncodingContext. cryptoByteStreamUnderlying stream to write encrypted bytes to | 
| private ByteArrayOutputStream | RowIndexEncoderV1. rowsOffsetBAOS | 
| Modifier and Type | Field and Description | 
|---|---|
| private ByteArrayOutputStream | HFileBlock.Writer. baosInMemoryThe stream we use to accumulate data into a block in an uncompressed format. | 
| private ByteArrayOutputStream | HFileBlock.Writer. onDiskBlockBytesWithHeaderBytes to be written to the file system, including the header. | 
| Modifier and Type | Method and Description | 
|---|---|
| private void | HFileBlock.Writer. putHeader(ByteArrayOutputStream dest,
         int onDiskSize,
         int uncompressedSize,
         int onDiskDataSize) | 
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