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From Brandon Williams <dri...@gmail.com>
Subject Re: frequent node UP/Down?
Date Sun, 25 Sep 2011 17:39:33 GMT
On Sat, Sep 24, 2011 at 4:54 PM, Yang <teddyyyy123@gmail.com> wrote:
> I'm using 1.0.0
>
>
> there seems to be too many node Up/Dead events detected by the failure
> detector.
> I'm using  a 2 node cluster on EC2, in the same region, same security
> group, so I assume the message drop
> rate should be fairly low.
> but in about every 5 minutes, I'm seeing some node detected as down,
> and then Up again quickly

This is fairly common on ec2 due to wild variance in the network.
Increase your phi_convict_threshold to 10 or higher (but I wouldn't go
over 12, this is roughly an exponential increase)

-Brandon

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