Examples of FileRegion

com.facebook.presto.jdbc.internal.netty.channel.FileRegion
kipedia.org/wiki/Zero-copy">zero-copy file transfer.
Upgrade your JDK / JRE
{@link FileChannel#transferTo(long,long,WritableByteChannel)} has at leastfour known bugs in the old versions of Sun JDK and perhaps its derived ones. Please upgrade your JDK to 1.6.0_18 or later version if you are going to use zero-copy file transfer.
- 5103988 - FileChannel.transferTo() should return -1 for EAGAIN instead throws IOException
- 6253145 - FileChannel.transferTo() on Linux fails when going beyond 2GB boundary
- 6427312 - FileChannel.transferTo() throws IOException "system call interrupted"
- 6470086 - FileChannel.transferTo(2147483647, 1, channel) causes "Value too large" exception
Check your operating system and JDK / JRE
If your operating system (or JDK / JRE) does not support zero-copy file transfer, sending a file with {@link FileRegion} might fail or yield worseperformance. For example, sending a large file doesn't work well in Windows.
Not all transports support it
Currently, the NIO transport is the only transport that supports {@link FileRegion}. Attempting to write a {@link FileRegion} to non-NIO {@link Channel} will triggera {@link ClassCastException} or a similar exception.
com.firefly.net.buffer.FileRegion
io.netty.channel.FileRegion
kipedia.org/wiki/Zero-copy">zero-copy file transfer.
Upgrade your JDK / JRE
{@link FileChannel#transferTo(long,long,WritableByteChannel)} has at leastfour known bugs in the old versions of Sun JDK and perhaps its derived ones. Please upgrade your JDK to 1.6.0_18 or later version if you are going to use zero-copy file transfer.
- 5103988 - FileChannel.transferTo() should return -1 for EAGAIN instead throws IOException
- 6253145 - FileChannel.transferTo() on Linux fails when going beyond 2GB boundary
- 6427312 - FileChannel.transferTo() throws IOException "system call interrupted"
- 6470086 - FileChannel.transferTo(2147483647, 1, channel) causes "Value too large" exception
Check your operating system and JDK / JRE
If your operating system (or JDK / JRE) does not support zero-copy file transfer, sending a file with {@link FileRegion} might fail or yield worseperformance. For example, sending a large file doesn't work well in Windows.
Not all transports support it
Currently, the NIO transport is the only transport that supports {@link FileRegion}.
org.apache.mina.core.file.FileRegion
ache.org">Apache MINA Project
org.jboss.netty.channel.FileRegion
kipedia.org/wiki/Zero-copy">zero-copy file transfer.
Upgrade your JDK / JRE
{@link FileChannel#transferTo(long,long,WritableByteChannel)} has at leastfour known bugs in the old versions of Sun JDK and perhaps its derived ones. Please upgrade your JDK to 1.6.0_18 or later version if you are going to use zero-copy file transfer.
- 5103988 - FileChannel.transferTo() should return -1 for EAGAIN instead throws IOException
- 6253145 - FileChannel.transferTo() on Linux fails when going beyond 2GB boundary
- 6427312 - FileChannel.transferTo() throws IOException "system call interrupted"
- 6470086 - FileChannel.transferTo(2147483647, 1, channel) causes "Value too large" exception
Check your operating system and JDK / JRE
If your operating system (or JDK / JRE) does not support zero-copy file transfer, sending a file with {@link FileRegion} might fail or yield worseperformance. For example, sending a large file doesn't work well in Windows. @author The Netty Project @author Trustin Lee @version $Rev: 2080 $, $Date: 2010-01-26 18:04:19 +0900 (Tue, 26 Jan 2010) $

Examples of org.jboss.netty.channel.FileRegion


    ChannelFuture writeFuture;
    try {
      FileChannel fc = new RandomAccessFile(file, "r").getChannel();


      final FileRegion region = new DefaultFileRegion(fc, 0, file.length());
      writeFuture = channel.write(region);
      writeFuture.addListener(new ChannelFutureProgressListener() {
        public void operationComplete(ChannelFuture future) {
          region.releaseExternalResources();
          if (!keepalive) {
            channel.close();
          }
        }

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Examples of FileRegion

Upgrade your JDK / JRE

Check your operating system and JDK / JRE

Not all transports support it

Upgrade your JDK / JRE

Check your operating system and JDK / JRE

Not all transports support it

Upgrade your JDK / JRE

Check your operating system and JDK / JRE

Examples of org.jboss.netty.channel.FileRegion