how to tune BufferedInputStream read()?
- by technomax
I am reading a BLOB column from a Oracle database, then writing it to a file as follows:
public static int execute(String filename, BLOB blob)
{
int success = 1;
try
{
File blobFile = new File(filename);
FileOutputStream outStream = new FileOutputStream(blobFile);
BufferedInputStream inStream = new BufferedInputStream(blob.getBinaryStream());
int length = -1;
int size = blob.getBufferSize();
byte[] buffer = new byte[size];
while ((length = inStream.read(buffer)) != -1)
{
outStream.write(buffer, 0, length);
outStream.flush();
}
inStream.close();
outStream.close();
}
catch (Exception e)
{
e.printStackTrace();
System.out.println("ERROR(img_exportBlob) Unable to export:"+filename);
success = 0;
}
}
The file size is around 3MB and it takes 40-50s to read the buffer. Its actually a 3D image data. So, is there any way by which I can reduce this time?
