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From: Brandon Williams <driftx@gmail.com>
Date: Mon, 27 Dec 2010 15:26:04 -0600
Message-ID: <AANLkTimZFwv84mjdQSi=+QAuew7mvxb+md83OMyjro52@mail.gmail.com>
Subject: Re: read repair across datacenters?
To: user@cassandra.apache.org
Content-Type: multipart/alternative; boundary=0003255571d6eed73b04986afc80

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On Mon, Dec 27, 2010 at 3:17 PM, Shu Zhang <szhang@mediosystems.com> wrote:

> Hi, I'm pretty new to cassandra and read a couple of contradictory things
> on this topic. Does read repair get triggered across datacenters if you
> query with a consistency level of local_quorum?
>

If the RR chance is 100% (default), it's triggered regardless of CL, which
only controls how synchronously the repair is performed.

-Brandon

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<div class=3D"gmail_quote">On Mon, Dec 27, 2010 at 3:17 PM, Shu Zhang <span=
 dir=3D"ltr">&lt;<a href=3D"mailto:szhang@mediosystems.com">szhang@mediosys=
tems.com</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" style=
=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">

Hi, I&#39;m pretty new to cassandra and read a couple of contradictory thin=
gs on this topic. Does read repair get triggered across datacenters if you =
query with a consistency level of local_quorum?<br></blockquote><div><br>

</div><div>If the RR chance is 100% (default), it&#39;s triggered regardles=
s of CL, which only controls how synchronously the repair is performed.</di=
v><div><br></div><div>-Brandon</div></div>

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