>
> Interestingly arrow::Compression::type::LZ4 worked with streams in Arrow
> 0.16.0, but triggers this NotImprelmented exception in Arrow 3.0.0. Maybe
> the meaning has changed between versions.


Sorry for the late reply.  yes, I think there have been a few rounds to
disambiguate this frmo 0.16.0 through 3.0.0

On Tue, Jun 22, 2021 at 12:45 PM Rares Vernica <rvern...@gmail.com> wrote:

> Thanks for the pointer.
>
> Interestingly arrow::Compression::type::LZ4 worked with streams in Arrow
> 0.16.0, but triggers this NotImprelmented exception in Arrow 3.0.0. Maybe
> the meaning has changed between versions.
>
> On Tue, Jun 22, 2021 at 12:33 PM Micah Kornfield <emkornfi...@gmail.com>
> wrote:
>
> > It sounds like you are trying to use the buffer level compression
> described
> > by the specification? If so only LZ4_FRAME is currently allowed [1]
> >
> > [1] https://github.com/apache/arrow/blob/master/format/Message.fbs#L45
> >
> >
> > On Tue, Jun 22, 2021 at 12:28 PM Rares Vernica <rvern...@gmail.com>
> wrote:
> >
> > > Hello,
> > >
> > > Using Arrow 3.0.0 I tried to compress a stream with LZ4 and got this
> > error
> > > message:
> > >
> > > NotImplemented: Streaming compression unsupported with LZ4 raw format.
> > Try
> > > using LZ4 frame format instead.
> > >
> > > Is it because LZ4 raw was not enabled when the .so was compiled or
> > actually
> > > not implemented?
> > >
> > > Is LZ4 frame the recommended format for compressing stream/IPC buffers?
> > >
> > > Thank you!
> > > Rares
> > >
> >
>

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