- <init>
Constructor
- sendBlock
sendBlock() is used to read block and its metadata and stream the data to either
a client or to anot
- close
close opened files.
- ioeToSocketException
Converts an IOExcpetion (not subclasses) to SocketException. This is typically
done to indicate to u
- doSendBlock
- getChecksum
- getOffset
- getReplica
- isLongRead
Returns true if we have done a long enough read for this block to qualify for
the DataNode-wide cach
- manageOsCache
Manage the OS buffer cache by performing read-ahead and drop-behind.
- numberOfChunks
- readChecksum
Read checksum into given buffer