Sets the maximum number of bytes read at once from the underlying file during {@link IndexInput#readBytes}. The default value is {@link #DEFAULT_READ_CHUNK_SIZE};

This was introduced due to Sun JVM Bug 6478546, which throws an incorrect OutOfMemoryError when attempting to read too many bytes at once. It only happens on 32bit JVMs with a large maximum heap size.

Changes to this value will not impact any already-opened {@link IndexInput}s. You should call this before attempting to open an index on the directory.

NOTE: This value should be as large as possible to reduce any possible performance impact. If you still encounter an incorrect OutOfMemoryError, trying lowering the chunk size.

public void SetReadChunkSize(
	int chunkSize
)

Public Sub SetReadChunkSize ( _
	chunkSize As Integer _
)

public:
void SetReadChunkSize(
	int chunkSize
)