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mongos randomly loses connectivity with entire cluster
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Adam Neumann  
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 More options Oct 30 2012, 7:03 pm
From: Adam Neumann <adam.b.neum...@gmail.com>
Date: Tue, 30 Oct 2012 16:03:39 -0700 (PDT)
Local: Tues, Oct 30 2012 7:03 pm
Subject: mongos randomly loses connectivity with entire cluster
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Hey,

We are running a small MongoDB 2.2.0 cluster on AWS (2x shards, each with
2x nodes + 1x arbiter). Each of our app servers is running a mongos
process. The 3 mongo config processes are running on the nodes.

Recently, our mongos instances have randomly been losing connectivity with
the entire cluster (see attached logs). It appears mongos cannot connect to
any machine in the cluster, whilst still being able to resolve dns, and the
machine still able to receive HTTP requests. After about 30 minutes of
this, connectivity is restored.

The logs show after a clean run of Balancer messages, a spike in errors on
ReplicaSetMonitorWatcher, CheckConfigServers, LockPinger and Balancer

Has anyone encountered this before?

Thanks in advance,

Adam


 
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David Hows  
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 More options Nov 19 2012, 12:08 am
From: David Hows <david.h...@10gen.com>
Date: Sun, 18 Nov 2012 21:08:08 -0800 (PST)
Local: Mon, Nov 19 2012 12:08 am
Subject: Re: mongos randomly loses connectivity with entire cluster
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Hi Adam,

I cant see any attached files.

Could you double check and then re-upload them or gist/pastie/etc them?

Cheers,

David


 
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