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Date: Tue, 17 Sep 2013 13:44:34 -0700
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 <CAEDUwd3tJrvdGBpjQoCEUQ8xVb-qOCAWWSO7eYdqqr5GHcJo_Q@mail.gmail.com>
Subject: Re: Multi-dc restart impact
From: Robert Coli <rcoli@eventbrite.com>
To: "user@cassandra.apache.org" <user@cassandra.apache.org>
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On Thu, Sep 5, 2013 at 6:14 AM, Chris Burroughs
<chris.burroughs@gmail.com>wrote:

> We have a 2 DC cluster running cassandra 1.2.9.  They are in actual
> physically separate DCs on opposite coasts of the US, not just logical
> ones.  The primary use of this cluster is CL.ONE reads out of a single
> column family.  My expectation was that in such a scenario restarts would
> have minimal impact in the DC where the restart occurred, and no impact in
> the remote DC.
>
> We are seeing instead that restarts in one DC have a dramatic impact on
> performance in the other (let's call them DCs "A" and "B").
>

Did you end up filing a JIRA on this, or some other outcome?

=Rob

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<div dir=3D"ltr">On Thu, Sep 5, 2013 at 6:14 AM, Chris Burroughs <span dir=
=3D"ltr">&lt;<a href=3D"mailto:chris.burroughs@gmail.com" target=3D"_blank"=
>chris.burroughs@gmail.com</a>&gt;</span> wrote:<br><div class=3D"gmail_ext=
ra"><div class=3D"gmail_quote">
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">We have a 2 DC cluster running cassandra 1.2=
.9. =A0They are in actual physically separate DCs on opposite coasts of the=
 US, not just logical ones. =A0The primary use of this cluster is CL.ONE re=
ads out of a single column family. =A0My expectation was that in such a sce=
nario restarts would have minimal impact in the DC where the restart occurr=
ed, and no impact in the remote DC.<br>

<br>
We are seeing instead that restarts in one DC have a dramatic impact on per=
formance in the other (let&#39;s call them DCs &quot;A&quot; and &quot;B&qu=
ot;).<br></blockquote><div><br></div><div>Did you end up filing a JIRA on t=
his, or some other outcome?</div>
<div><br></div><div>=3DRob=A0</div></div></div></div>

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