Sebb created IO-382:
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Summary: Chunked IO for large arrays
Key: IO-382
URL: https://issues.apache.org/jira/browse/IO-382
Project: Commons IO
Issue Type: New Feature
Components: Utilities
Reporter: Sebb
File IO involves native code at some point.
It seems that native code which accesses a Java
array may involve copying the array (depending on the JVM) [1]
This can easily lead to an OutOfMemory condition if the array is large.
It would be useful to provide some utility methods to process the array in
chunks of (say) 4K. It's unlikely that applications will use huge read buffers,
but they may well need to write large buffers, so only output chunking is
likely to be useful.
It might also be useful to create a ChunkedOutputStream/Writer which provides
the chunking automatically.
[1]
http://docs.oracle.com/javase/7/docs/technotes/guides/jni/spec/design.html#wp1265
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