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 E9C3575CD for ; Mon, 29 Aug 2011 21:20:25 +0000 (UTC) Received: (qmail 37556 invoked by uid 500); 29 Aug 2011 21:20:23 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 37438 invoked by uid 500); 29 Aug 2011 21:20:23 -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 37430 invoked by uid 500); 29 Aug 2011 21:20:23 -0000 Delivered-To: apmail-incubator-cassandra-user@incubator.apache.org Received: (qmail 37427 invoked by uid 99); 29 Aug 2011 21:20:22 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 29 Aug 2011 21:20:22 +0000 X-ASF-Spam-Status: No, hits=1.5 required=5.0 tests=FREEMAIL_FROM,HTML_MESSAGE,RCVD_IN_DNSWL_LOW,SPF_PASS,T_TO_NO_BRKTS_FREEMAIL X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of springrider@gmail.com designates 209.85.215.47 as permitted sender) Received: from [209.85.215.47] (HELO mail-ew0-f47.google.com) (209.85.215.47) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 29 Aug 2011 21:20:16 +0000 Received: by ewy5 with SMTP id 5so2591263ewy.6 for ; Mon, 29 Aug 2011 14:19:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:from:date:message-id:subject:to:content-type; bh=8oXsAn7i8+RouhGEUKr2JGSwyhYWa8LgrxPl9g2ed8k=; b=p7pVcG0SI0TjDbPaG0znopBHDdmwt1Tp99r657QoUa7zsO2dc1+Hvv3iL0ci8IXvjO zvhKuFugqgL1lk786pTPfugjHqIP65xdUZ2DGs8wD4TpeKtH7XNNoTYiYWLjh/SLhNnd FBKElCvZEfU7hCXFM6YxISq2XASOPXuroMUSM= Received: by 10.213.7.8 with SMTP id b8mr2366770ebb.95.1314652795153; Mon, 29 Aug 2011 14:19:55 -0700 (PDT) MIME-Version: 1.0 Received: by 10.213.114.13 with HTTP; Mon, 29 Aug 2011 14:19:35 -0700 (PDT) From: Yan Chunlu Date: Tue, 30 Aug 2011 05:19:35 +0800 Message-ID: Subject: cassandra auto create snapshots? To: cassandra-user@incubator.apache.org Content-Type: multipart/alternative; boundary=0015174c1acadbadd004abab7445 --0015174c1acadbadd004abab7445 Content-Type: text/plain; charset=ISO-8859-1 just found the data dir consume a lot of space, which is because there was many snapshots in it. but I have set snapshot_before_compaction: false. is that possible that cassandra create those snapshot automatically? could I delete them? the dir names is strange(normally it should contain date info like this one: 1309954201568-20110706snap): 1309954201568-20110706snap 1313655860450 1313657278693 1313658563469 1313660368230 1313661946829 1313673041895 1313978414627 1313993893774 1313994151125 1309954218127-20110706snap 1313655977397 1313657539385 1313658794663 1313660540216 1313665575966 1313684621571 1313981129181 1313993899685 1313994436489 1309954367559-20110706snap 1313656318839 1313657769222 1313659117385 1313660791414 1313670545340 1313688842151 1313993527645 1313994045681 1313994537282 1313655524690 1313656750454 1313657987723 1313659841880 1313661186615 1313671377867 1313821800047 1313993601281 1313994093703 1313994548470 1313655632823 1313657058205 1313658288595 1313660165346 1313661433088 1313672861562 1313822718672 1313993882415 1313994138019 1313994791621 --0015174c1acadbadd004abab7445 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable
just found the data dir consume a lot of space, which is because there= was many snapshots in it.

but I have set snapshot_befo= re_compaction: false. =A0is that possible that cassandra create those snaps= hot automatically? =A0could I delete them?

the dir names is strange(normally it should contain date inf= o like this one: 1309954201568-20110706snap):

1309954201568-20110706snap =A01313655860450 =A01313657278693 =A01313658563= 469 =A01313660368230 =A01313661946829 =A01313673041895 =A01313978414627 =A0= 1313993893774 =A01313994151125
1309954218127-20110706snap =A01313655977397 =A01313657539385 =A0131365= 8794663 =A01313660540216 =A01313665575966 =A01313684621571 =A01313981129181= =A01313993899685 =A01313994436489
1309954367559-20110706snap =A0= 1313656318839 =A01313657769222 =A01313659117385 =A01313660791414 =A01313670= 545340 =A01313688842151 =A01313993527645 =A01313994045681 =A01313994537282<= /div>
1313655524690 =A0 =A0 =A0 =A0 =A0 =A0 =A0 1313656750454 =A013136579877= 23 =A01313659841880 =A01313661186615 =A01313671377867 =A01313821800047 =A01= 313993601281 =A01313994093703 =A01313994548470
1313655632823 =A0 = =A0 =A0 =A0 =A0 =A0 =A0 1313657058205 =A01313658288595 =A01313660165346 =A0= 1313661433088 =A01313672861562 =A01313822718672 =A01313993882415 =A01313994= 138019 =A01313994791621

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