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From Kevin Burton <bur...@spinn3r.com>
Subject Re: too many open files
Date Sat, 09 Aug 2014 20:29:51 GMT
Another idea to detect this is when the number of open sessions exceeds the
number of threads.
On Aug 9, 2014 10:59 AM, "Andrew" <redmumba@gmail.com> wrote:

> I just had a generator that (in the incorrect way) had a cluster as a
> member variable, and would call .connect() repeatedly.  I _thought_,
> incorrectly, that the Session was thread unsafe, and so I should request a
> separate Session each time—obviously wrong in hind sight.
>
> There was no special logic; I had a restriction of about 128 connections
> per host, but the connections were in the 100s of thousands, like the OP
> mentioned.  Again, I’ll see about reproducing it on Monday, but just wanted
> the repro steps (overall) to live somewhere in case I can’t. :)
>
> Andrew
>
> On August 8, 2014 at 4:08:50 PM, Tyler Hobbs (tyler@datastax.com) wrote:
>
>
> On Fri, Aug 8, 2014 at 5:52 PM, Redmumba <redmumba@gmail.com> wrote:
>
>> Just to chime in, I also ran into this issue when I was migrating to the
>> Datastax client. Instead of reusing the session, I was opening a new
>> session each time. For some reason, even though I was still closing the
>> session on the client side, I was getting the same error.
>
>
> Which driver?  If you can still reproduce this, would you mind opening a
> ticket? (https://datastax-oss.atlassian.net/secure/BrowseProjects.jspa#all
> )
>
>
> --
> Tyler Hobbs
> DataStax <http://datastax.com/>
>
>

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