CorrugatedIron & Idle Connection

Amir Halatzi Amir.Halatzi at oovoo.com
Thu Jul 11 10:46:53 EDT 2013


We've tried that. The result was 3K open connections per Riak node, and as you can guess - this is not an improvement.

Do you have other recommendations?

Thanks,
Amir


From: OJ Reeves [mailto:oj at buffered.io]
Sent: 11 July 2013 17:31
To: Amir Halatzi
Cc: Jeremiah Peschka; riak-users at lists.basho.com
Subject: Re: CorrugatedIron & Idle Connection

This is a discussion we really need to have. Thanks for opening the Github issue.

In the short term, you can "turn off" pooling by setting the pool size to zero. This will mean all the connections are done "on the fly".

On Fri, Jul 12, 2013 at 12:26 AM, Amir Halatzi <Amir.Halatzi at oovoo.com<mailto:Amir.Halatzi at oovoo.com>> wrote:
Just did: https://github.com/DistributedNonsense/CorrugatedIron/issues/153

Still, if we'd like to manage it ourselves - how would you recommend going about it? Should we interfere with the way you handle the connection, or just retry the action on 'network failure'?

BR,
Amir

From: Jeremiah Peschka [mailto:jeremiah.peschka at gmail.com<mailto:jeremiah.peschka at gmail.com>]
Sent: 11 July 2013 17:11
To: Amir Halatzi
Cc: riak-users at lists.basho.com<mailto:riak-users at lists.basho.com>
Subject: Re: CorrugatedIron & Idle Connection

We're in the process of figuring out how to best handle killing off idle connections inside of CorrugatedIron. If you can head over to https://github.com/DistributedNonsense/CorrugatedIron/issues and file a new bug report, that would be fantastic.

We've avoided killing off connections until now because we don't want to introduce locking into our connection management. Truthfully, we haven't run into a bug report where the network team was killing off connections.

So, anyway, if you can submit a bug report we'll get on it. It won't make it out for the 1.4.0 release, but we can put that in a point release.

---
Jeremiah Peschka - Founder, Brent Ozar Unlimited
MCITP: SQL Server 2008, MVP
Cloudera Certified Developer for Apache Hadoop

On Thu, Jul 11, 2013 at 6:59 AM, Amir Halatzi <Amir.Halatzi at oovoo.com<mailto:Amir.Halatzi at oovoo.com>> wrote:
Hi all,

Trying to optimize our application connection pool, we encountered and issue with Corrugated Iron and identifying idle/reset connections. Namely, if our network infrastructure (firewall/proxy/etc) closes an idle connection - we're getting a 'cluster is offline' error code.

I saw that this is a feature in the making (for the past 8 months), but I was wondering if any of you found a way around it?

Thank you,
Amir Halatzi,
ooVoo


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OJ Reeves
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