On Sat, Feb 5, 2011 at 4:12 AM, Ali Ahsan <ali.ah...@panasiangroup.com> wrote: > Any update on this? > > On 02/05/2011 12:53 AM, Ali Ahsan wrote: >> >> So do we need to write a script ? or its some thing i can do as a system >> admin without involving and developer.If yes please guide me in this case. >> >> >> >> >> On 02/04/2011 10:36 PM, Jonathan Ellis wrote: >>> >>> In that case, you should shut down the server before removing data files. >>> >>> On Fri, Feb 4, 2011 at 9:01 AM,<roshandawr...@gmail.com> wrote: >>>> >>>> I thought truncate() was not available before 0.7 (in 0.6.3)....was it? >>>> >>>> --------------------------------------------------- >>>> Sent from BlackBerry >>>> >>>> -----Original Message----- >>>> From: Jonathan Ellis<jbel...@gmail.com> >>>> Date: Fri, 4 Feb 2011 08:58:35 >>>> To: user<user@cassandra.apache.org> >>>> Reply-To: user@cassandra.apache.org >>>> Subject: Re: How to delete bulk data from cassandra 0.6.3 >>>> >>>> You should use truncate instead. (Then remove the snapshot truncate >>>> creates.) >>>> >>>> On Fri, Feb 4, 2011 at 2:05 AM, Ali Ahsan<ali.ah...@panasiangroup.com> >>>> wrote: >>>>> >>>>> Hi All >>>>> >>>>> Is there any way i can delete column families data (not removing column >>>>> families ) from Cassandra without effecting ring integrity.What if i >>>>> delete >>>>> some column families data in linux with rm command ? >>>>> >>>>> -- >>>>> S.Ali Ahsan >>>>> >>>>> Senior System Engineer >>>>>
>>>>> e-Business (Pvt) Ltd >>>>> >>>>> 49-C Jail Road, Lahore, P.O. Box 676 >>>>> Lahore 54000, Pakistan >>>>> >>>>> Tel: +92 (0)42 3758 7140 Ext. 128 >>>>> >>>>> Mobile: +92 (0)345 831 8769 >>>>> >>>>> Fax: +92 (0)42 3758 0027 >>>>> >>>>> Email: ali.ah...@panasiangroup.com >>>>> >>>>> >>>>> >>>>> www.ebusiness-pg.com >>>>> >>>>> www.panasiangroup.com >>>>> >>>>> Confidentiality: This e-mail and any attachments may be confidential >>>>> and/or privileged. If you are not a named recipient, please notify the >>>>> sender immediately and do not disclose the contents to another person >>>>> use it for any purpose or store or copy the information in any medium. >>>>> Internet communications cannot be guaranteed to be timely, secure, >>>>> error >>>>> or virus-free. We do not accept liability for any errors or omissions. >>>>> >>>>> >>>> >>>> >>>> -- >>>> Jonathan Ellis >>>> Project Chair, Apache Cassandra >>>> co-founder of DataStax, the source for professional Cassandra support >>>> http://www.datastax.com >>>> >>> >>> >> >> > > > -- > S.Ali Ahsan > > Senior System Engineer > > e-Business (Pvt) Ltd > > 49-C Jail Road, Lahore, P.O. Box 676 > Lahore 54000, Pakistan > > Tel: +92 (0)42 3758 7140 Ext. 128 > > Mobile: +92 (0)345 831 8769 > > Fax: +92 (0)42 3758 0027 > > Email: ali.ah...@panasiangroup.com > > > > www.ebusiness-pg.com > > www.panasiangroup.com > > Confidentiality: This e-mail and any attachments may be confidential > and/or privileged. If you are not a named recipient, please notify the > sender immediately and do not disclose the contents to another person > use it for any purpose or store or copy the information in any medium. > Internet communications cannot be guaranteed to be timely, secure, error > or virus-free. We do not accept liability for any errors or omissions. > > in 0.6.X pkill `pid of cassandra` rm -rf * /var/lib/cassandra/data/<keyspace>/<CF you want to delete>* (start cassandra)