Return-Path: 
 <user-return-14296-apmail-cassandra-user-archive=cassandra.apache.org@cassandra.apache.org>
Delivered-To: apmail-cassandra-user-archive@www.apache.org
Received: (qmail 46328 invoked from network); 8 Mar 2011 00:08:49 -0000
Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3)
  by minotaur.apache.org with SMTP; 8 Mar 2011 00:08:49 -0000
Received: (qmail 6157 invoked by uid 500); 8 Mar 2011 00:08:47 -0000
Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org
Received: (qmail 6129 invoked by uid 500); 8 Mar 2011 00:08:47 -0000
Mailing-List: contact user-help@cassandra.apache.org; run by ezmlm
Precedence: bulk
List-Help: <mailto:user-help@cassandra.apache.org>
List-Unsubscribe: <mailto:user-unsubscribe@cassandra.apache.org>
List-Post: <mailto:user@cassandra.apache.org>
List-Id: <user.cassandra.apache.org>
Reply-To: user@cassandra.apache.org
Delivered-To: mailing list user@cassandra.apache.org
Received: (qmail 6121 invoked by uid 99); 8 Mar 2011 00:08:47 -0000
Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230)
    by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 08 Mar 2011 00:08:47 +0000
X-ASF-Spam-Status: No, hits=2.2 required=5.0
	tests=HTML_MESSAGE,RCVD_IN_DNSWL_LOW,SPF_NEUTRAL
X-Spam-Check-By: apache.org
Received-SPF: neutral (nike.apache.org: local policy)
Received: from [209.85.212.44] (HELO mail-vw0-f44.google.com) (209.85.212.44)
    by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 08 Mar 2011 00:08:40 +0000
Received: by vws6 with SMTP id 6so4959712vws.31
        for <user@cassandra.apache.org>; Mon, 07 Mar 2011 16:08:19 -0800 (PST)
MIME-Version: 1.0
Received: by 10.52.89.18 with SMTP id bk18mr3122652vdb.270.1299542899396; Mon,
 07 Mar 2011 16:08:19 -0800 (PST)
Received: by 10.52.160.194 with HTTP; Mon, 7 Mar 2011 16:08:19 -0800 (PST)
In-Reply-To: <AANLkTimpCLWyqVWCVoJupmhTJgAWyu9YyorjiZRvv3Ga@mail.gmail.com>
References: <AANLkTi=BcxNdpjALJufGuJN0y9Ykwi-0Kbabotf_=hgr@mail.gmail.com>
	<CB9DCAEA-8DAF-48BE-B098-2A6E8169ACBE@thelastpickle.com>
	<AANLkTinZifrFYK=Fp8WNArAo7WaND5GY1cY6qwauUC-8@mail.gmail.com>
	<AANLkTikWBBTQpRcbQcCSM2GL+ebphnGeqtCFnfpMU4k8@mail.gmail.com>
	<AANLkTi=f=Zuww9BaggVY2E=UPbeDWS=YQs__SOjcB2rh@mail.gmail.com>
	<AANLkTi=ypSr8H9SMhto=yD0FCQrMcPpMKbCRHfvzd252@mail.gmail.com>
	<AANLkTimpCLWyqVWCVoJupmhTJgAWyu9YyorjiZRvv3Ga@mail.gmail.com>
Date: Mon, 7 Mar 2011 16:08:19 -0800
Message-ID: <AANLkTi=ydJ+FL1VHaBGh=_7eUSRtUEFZSmErAuFJkvNU@mail.gmail.com>
Subject: Re: Nodes frozen in GC
From: Chris Goffinet <cg@chrisgoffinet.com>
To: ruslan usifov <ruslan.usifov@gmail.com>
Cc: user@cassandra.apache.org
Content-Type: multipart/alternative; boundary=20cf307f3486e39121049ded6835
X-Virus-Checked: Checked by ClamAV on apache.org

--20cf307f3486e39121049ded6835
Content-Type: text/plain; charset=ISO-8859-1

The rows you are inserting, what is your update ratio to those rows?


On Mon, Mar 7, 2011 at 4:03 PM, ruslan usifov <ruslan.usifov@gmail.com>wrote:

>
>
> 2011/3/8 Chris Goffinet <cg@chrisgoffinet.com>
>
> Can you tell me how many SSTables on disk when you see GC pauses? In your 3
>> node cluster, what's the RF factor?
>>
>>
> About 30-40, and i use RF=2, and insert rows with QUORUM consistency level
>

--20cf307f3486e39121049ded6835
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

The rows you are inserting, what is your update ratio to those rows?<div><b=
r><br><div class=3D"gmail_quote">On Mon, Mar 7, 2011 at 4:03 PM, ruslan usi=
fov <span dir=3D"ltr">&lt;<a href=3D"mailto:ruslan.usifov@gmail.com">ruslan=
.usifov@gmail.com</a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex;"><br><br><div class=3D"gmail_quote">2011/3/8=
 Chris Goffinet <span dir=3D"ltr">&lt;<a href=3D"mailto:cg@chrisgoffinet.co=
m" target=3D"_blank">cg@chrisgoffinet.com</a>&gt;</span><div class=3D"im">
<br><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-lef=
t:1px #ccc solid;padding-left:1ex">
Can you tell me how many SSTables on disk when you see GC pauses? In your 3=
 node cluster, what&#39;s the RF factor?<div><div></div><br></div></blockqu=
ote></div></div><br>About 30-40, and i use RF=3D2, and insert rows with QUO=
RUM consistency level<br>

</blockquote></div><br></div>

--20cf307f3486e39121049ded6835--