| Package | Description | 
|---|---|
| org.apache.hadoop.hbase.io | |
| org.apache.hadoop.hbase.io.hfile | Provides implementations of  HFileand HFileBlockCache. | 
| org.apache.hadoop.hbase.regionserver | 
| Modifier and Type | Field and Description | 
|---|---|
| private HFileSystem | FSDataInputStreamWrapper. hfs | 
| Modifier and Type | Method and Description | 
|---|---|
| HFileSystem | FSDataInputStreamWrapper. getHfs() | 
| Modifier and Type | Field and Description | 
|---|---|
| private HFileSystem | HFileBlock.FSReaderImpl. hfsThe filesystem used to access data | 
| Modifier and Type | Method and Description | 
|---|---|
| protected HFileContext | HFileReaderImpl. createHFileContext(FSDataInputStreamWrapper fsdis,
                  long fileSize,
                  HFileSystem hfs,
                  org.apache.hadoop.fs.Path path,
                  FixedFileTrailer trailer) | 
| private static HFile.Reader | HFile. openReader(org.apache.hadoop.fs.Path path,
          FSDataInputStreamWrapper fsdis,
          long size,
          CacheConfig cacheConf,
          HFileSystem hfs,
          boolean primaryReplicaReader,
          org.apache.hadoop.conf.Configuration conf)Method returns the reader given the specified arguments. | 
| Constructor and Description | 
|---|
| FSReaderImpl(FSDataInputStreamWrapper stream,
            long fileSize,
            HFileSystem hfs,
            org.apache.hadoop.fs.Path path,
            HFileContext fileContext) | 
| HFileReaderImpl(org.apache.hadoop.fs.Path path,
               FixedFileTrailer trailer,
               FSDataInputStreamWrapper fsdis,
               long fileSize,
               CacheConfig cacheConf,
               HFileSystem hfs,
               boolean primaryReplicaReader,
               org.apache.hadoop.conf.Configuration conf)Opens a HFile. | 
| HFileReaderImpl(org.apache.hadoop.fs.Path path,
               FixedFileTrailer trailer,
               FSDataInputStreamWrapper fsdis,
               long fileSize,
               CacheConfig cacheConf,
               HFileSystem hfs,
               org.apache.hadoop.conf.Configuration conf)Deprecated.  | 
| Modifier and Type | Field and Description | 
|---|---|
| protected HFileSystem | HRegionServer. fs | 
| protected HFileSystem | HRegionServer. walFs | 
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