Return-Path: X-Original-To: apmail-cassandra-user-archive@www.apache.org Delivered-To: apmail-cassandra-user-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id C57CB785A for ; Wed, 21 Dec 2011 09:01:30 +0000 (UTC) Received: (qmail 28649 invoked by uid 500); 21 Dec 2011 09:01:27 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 28279 invoked by uid 500); 21 Dec 2011 09:01:25 -0000 Mailing-List: contact user-help@cassandra.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@cassandra.apache.org Delivered-To: mailing list user@cassandra.apache.org Received: (qmail 28270 invoked by uid 99); 21 Dec 2011 09:01:24 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 21 Dec 2011 09:01:24 +0000 X-ASF-Spam-Status: No, hits=2.2 required=5.0 tests=HTML_MESSAGE,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: local policy) Received: from [208.113.200.5] (HELO homiemail-a44.g.dreamhost.com) (208.113.200.5) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 21 Dec 2011 09:01:17 +0000 Received: from homiemail-a44.g.dreamhost.com (localhost [127.0.0.1]) by homiemail-a44.g.dreamhost.com (Postfix) with ESMTP id 9F66D118057 for ; Wed, 21 Dec 2011 01:00:50 -0800 (PST) DomainKey-Signature: a=rsa-sha1; c=nofws; d=thelastpickle.com; h=from :mime-version:content-type:subject:date:in-reply-to:to :references:message-id; q=dns; s=thelastpickle.com; b=cukLo/jG0/ /E//ytN0MRoJ22fSnyzetmDLQPHjPlyHgAKKrNtUoBdeTZsn7jNVc2+mnKHTN8Wo YdT1q13agjtJi/WPxdJqIg+kHjRXej5S8V1zr+IY09NpKz3ixD7YeQWMADPmBvn1 LdX7J3ZKcGzIucMcqyxQh5qVLIFGadSe8= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=thelastpickle.com; h=from :mime-version:content-type:subject:date:in-reply-to:to :references:message-id; s=thelastpickle.com; bh=xvtkyIlbjpx+aG1M snsdj3WQ+DU=; b=aq7UQuqpgK06AUEjC5LdNmQnbNu0DzO5iYs5gjhrhuYH+eP7 5CVlsg+NeuJcSBttyu0aBnRJVyhuoIPpGyO6dAk/WBl5AFzgoSiK9TCglx5AJ/H7 a8w6SA5GihfNBEwcIhYRfBKgKTKiqu7Rm9QQE/k1LaP0dLdVUe6+LBQPaUo= Received: from [172.16.1.4] (125-236-193-159.adsl.xtra.co.nz [125.236.193.159]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) (Authenticated sender: aaron@thelastpickle.com) by homiemail-a44.g.dreamhost.com (Postfix) with ESMTPSA id 070D7118056 for ; Wed, 21 Dec 2011 01:00:49 -0800 (PST) From: aaron morton Mime-Version: 1.0 (Apple Message framework v1251.1) Content-Type: multipart/alternative; boundary="Apple-Mail=_32524823-D76D-436A-B880-59C44EFC922A" Subject: Re: Routine nodetool repair Date: Wed, 21 Dec 2011 22:00:47 +1300 In-Reply-To: To: user@cassandra.apache.org References: Message-Id: <7041B329-6A3E-4E15-815D-7BDD687D8A3B@thelastpickle.com> X-Mailer: Apple Mail (2.1251.1) X-Virus-Checked: Checked by ClamAV on apache.org --Apple-Mail=_32524823-D76D-436A-B880-59C44EFC922A Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=iso-8859-1 Here you go = http://wiki.apache.org/cassandra/Operations#Dealing_with_the_consequences_= of_nodetool_repair_not_running_within_GCGraceSeconds Cheers ----------------- Aaron Morton Freelance Developer @aaronmorton http://www.thelastpickle.com On 21/12/2011, at 2:44 PM, Blake Starkenburg wrote: > I have been playing around with Cassandra for a few months now. = Starting to explore more of the routine maintenance and backup = strategies and I have a general question about nodetool repair. After = reading the following page: = http://www.datastax.com/docs/0.8/operations/cluster_management it has = occurred to me that for these past few months I have NOT DONE any = cleanup or repair commands on a test 2-node cluster (and their has been = quite a few deletes, writes, etc.). >=20 > For some reason I was under the assumption that Cassandra handled the = tombstone records from deletes automatically? Should I still run = nodetool repair and if so, what about old deletes which occurred months = ago? >=20 > Thank You! --Apple-Mail=_32524823-D76D-436A-B880-59C44EFC922A Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=iso-8859-1 Here = you go http://wiki.= apache.org/cassandra/Operations#Dealing_with_the_consequences_of_nodetool_= repair_not_running_within_GCGraceSeconds

Cheers

http://www.thelastpickle.com

On 21/12/2011, at 2:44 PM, Blake Starkenburg = wrote:

I have been playing around with Cassandra for a few months = now. Starting to explore more of the routine maintenance and backup strategies and I=20= have a general question about nodetool repair. After reading the=20 following page: http://www.datastax.com/docs/0.8/operations/cluster_mana= gement it has occurred to me that for these past few months I have NOT DONE=20 any cleanup or repair commands on a test 2-node cluster (and their has=20= been quite a few deletes, writes, etc.).

For some reason I was under the assumption that Cassandra handled=20 the tombstone records from deletes automatically? Should I still run=20 nodetool repair and if so, what about old deletes which occurred months=20= ago?

Thank You!

= --Apple-Mail=_32524823-D76D-436A-B880-59C44EFC922A--