The operation result is shoved into a caching enumerabke because it's
iterated more than once. Please note that if you remove that then you're
effectively enumerating the source more than one time, which may not be what
you expect.
I can't tell why it gets stuck on the multi threaded branching operation,
have you tried then single threaded one? Do you have a repro for the issue?
On Jul 8, 2011 3:47 PM, "jalchr" <[email protected]> wrote:
> I'm trying to getting out of OutOfMemory Exception, so I noticed about 1.5
> Million rows are being cached in the CachingEnumerable object ... I wonder
> why this doesn't stream ... why its cached. So I changed the following
> lines:
>
>
> protected IEnumerable<Row> GetRightEnumerable()
> {
> //IEnumerable<Row> rightEnumerable = new CachingEnumerable<Row>(
> // new EventRaisingEnumerator(right, right.Execute(null))
> // );
> IEnumerable<Row> rightEnumerable = new
> EventRaisingEnumerator(right, right.Execute(null));
>
>
> and it works perfectly with much less memory ... I only had to increase
the
> input operation timeout value
>
> All is good except with MultiThreadedBranchingOperation ... where after
some
> processing it get stuck on:
>
> lock (sync)
> while (input.ConsumersLeft > 0)
> Monitor.Wait(sync); // <--------------------------- here
>
>
> Questions:
> why you cache to join?
> why it stucks there ?
>
> Thanks
>
>
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