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From Dmitriy Setrakyan <dsetrak...@apache.org>
Subject Re: Shared memory communication and recovery
Date Mon, 15 Aug 2016 22:07:38 GMT
To my knowledge, the shared memory communication was added to enable large
file transfers from HDFS to Ignite. Does that use case still make sense or
is the socket communication as fast as shared memory one now?

On Mon, Aug 15, 2016 at 2:38 PM, Valentin Kulichenko <
valentin.kulichenko@gmail.com> wrote:

> Folks,
> It's a know fact that shared memory communication doesn't work well and can
> cause various issues under load and in case of node failures. In my
> understanding the main reason for that the recovery mechanism are not
> properly applied in this case, but there can be other issues as well.
> However, we still have this option, and moreover it's enabled by default.
> In my opinion we should do something with this in 2.0. We can either
> completely remove shared memory from communication SPI, or disable it by
> default, or fix it. Does anyone knows what kind of effort is needed to do
> the latter? Semyon or Yakov, can you comment on this?
> -Val

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