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 D780111D94 for ; Wed, 18 Jun 2014 17:57:13 +0000 (UTC) Received: (qmail 57401 invoked by uid 500); 18 Jun 2014 17:57:07 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 57370 invoked by uid 500); 18 Jun 2014 17:57:07 -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 57360 invoked by uid 99); 18 Jun 2014 17:57:07 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 18 Jun 2014 17:57:07 +0000 X-ASF-Spam-Status: No, hits=3.2 required=5.0 tests=HTML_MESSAGE,SPF_SOFTFAIL X-Spam-Check-By: apache.org Received-SPF: softfail (nike.apache.org: transitioning domain of tarbox@cabotresearch.com does not designate 100.0.119.58 as permitted sender) Received: from [100.0.119.58] (HELO scmgateway.cabotresearch.com) (100.0.119.58) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 18 Jun 2014 17:57:02 +0000 Received: from mail-oa0-f43.google.com (unknown [209.85.219.43]) by scmgateway.cabotresearch.com with smtp (TLS: TLSv1/SSLv3,128bits,RC4-SHA) id 7438_0850_46a4d3b2_e1d9_4aaf_ba21_e3d138b3f4f6; Wed, 18 Jun 2014 13:46:56 -0400 Received: by mail-oa0-f43.google.com with SMTP id o6so2671209oag.2 for ; Wed, 18 Jun 2014 10:56:36 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:date:message-id:subject:from:to :content-type; bh=HBdXKTLZjlwIukF36D9PQWnXX3y1HmOvEuUEXJ42/dY=; b=T+vary/jdsMp2NoT9S2wp5WiRR6zpnfz0KSiUitXJnC4x+nsiRM/yZ37JG8UrZ54jR 1Ip+UvZjxASVqDxSGZ5aB9qeNA/Y4Ui6b0z7RN9gX/mLOWsEqO5dV7Oe4oiEQC6pu3by bQ1jNNVtdUdPJSn0ov3rWJ9cAwJ5QX89IewNHD8OAYiX6eQI9qtUkCa88OqqpfhsSbtg I5/nDbanINhnzayWKIl7iqMqtyUsu264+X8N+zKCgVScHy2wUk+5pRQjJy/aqKPPblKp FAmgtlloYremX1mAKgKqz+kiOQO+HzPeLOvQ6TxKd0KNhUIMcG4aA8SekVI1cXzRBGO+ vqhw== X-Gm-Message-State: ALoCoQk63D0Q6AhtgdTXDpuow//G/gU8zdc+5iLt2q8uqXJ+8F//kTlwbgs6nWUZyGFfpR/uvc5KNjAZi4NR9MeTUEtbpO1vhAqgYsumaGECS2YldwKVkgr8wuOW560e+Sfok+UNRvjv X-Received: by 10.60.62.174 with SMTP id z14mr3478913oer.61.1403114195998; Wed, 18 Jun 2014 10:56:35 -0700 (PDT) MIME-Version: 1.0 X-Received: by 10.60.62.174 with SMTP id z14mr3478904oer.61.1403114195864; Wed, 18 Jun 2014 10:56:35 -0700 (PDT) Received: by 10.202.7.82 with HTTP; Wed, 18 Jun 2014 10:56:35 -0700 (PDT) Date: Wed, 18 Jun 2014 13:56:35 -0400 Message-ID: Subject: can I kill very old data files in my data folder (I know that sounds crazy but....) From: Brian Tarbox To: user@cassandra.apache.org Content-Type: multipart/alternative; boundary=001a11c21b5c3964d304fc1ffb57 X-Virus-Checked: Checked by ClamAV on apache.org --001a11c21b5c3964d304fc1ffb57 Content-Type: text/plain; charset=UTF-8 I have a column family that only stores the last 5 days worth of some data...and yet I have files in the data directory for this CF that are 3 weeks old. They take the form: keyspace-CFName-ic-nnnn-Filter.db keyspace-CFName-ic-nnnn-Index.db keyspace-CFName-ic-nnnn-Data.db keyspace-CFName-ic-nnnn-Statistics.db keyspace-CFName-ic-nnnn-TOC.txt keyspace-CFName-ic-nnnn-Summary.db I have six bunches of these file groups, each with a different nnnn value...and with timestamps of each of the last five days...plus one group from 3 weeks ago...which makes me wonder if that group somehow should have been deleted but were not. The files are tens or hundreds of gigs so deleting would be good, unless its really bad! Thanks, Brian Tarbox --001a11c21b5c3964d304fc1ffb57 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
I have a column family that only stores the last 5 days wo= rth of some data...and yet I have files in the data directory for this CF t= hat are 3 weeks old. =C2=A0They take the form:

keyspace-= CFName-ic-nnnn-Filter.db
keyspace-CFName-ic-nnnn-Index.db
keyspace-CF= Name-ic-nnnn-Data.db
keyspace-CFName-ic-nnnn-Statistic= s.db
keyspace-CFName-ic-nnnn-TOC.txt
keyspace-CFName-ic-nnnn-Summary.db

I ha= ve six bunches of these file groups, each with a different nnnn value...and= with timestamps of each of the last five days...plus one group from 3 week= s ago...which makes me wonder if that group =C2=A0somehow should have been = deleted but were not. =C2=A0

The files are tens or hundreds of gigs so deleting woul= d be good, unless its really bad!

Thanks,

Brian Tarbox


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