garydgregory commented on PR #368:
URL: https://github.com/apache/commons-compress/pull/368#issuecomment-1471944326
> I wrote a test to reproduce the issue, writing to a `NullOutputStream`,
but that turned out to be really slow due to the forced 512 bytes chunking. So
I opted to not include that.
>
> ```java
> @Test
> public void testWritingBigFile() throws Exception {
> final TarArchiveEntry t = new TarArchiveEntry("foo");
> t.setSize((Integer.MAX_VALUE + 1L) * TarConstants.DEFAULT_RCDSIZE);
> final TarArchiveOutputStream tos = new
TarArchiveOutputStream(NullOutputStream.NULL_OUTPUT_STREAM);
> tos.setBigNumberMode(TarArchiveOutputStream.BIGNUMBER_POSIX);
> tos.putArchiveEntry(t);
>
> byte[] bytes = new byte[TarConstants.DEFAULT_RCDSIZE];
> for (int i = 0; i < Integer.MAX_VALUE; i++) {
> tos.write(bytes);
> }
> tos.closeArchiveEntry();
> tos.close();
> }
> ```
How slow?
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