which temp directory ? lose the data of all tables ? On 7 May 2012 22:01, Tom Brown <[email protected]> wrote:
> I made a very similar mistake myself the other day when trying to reset my > cluster. What finally solved it was deleting the temp directory used by my > data nodes (in my case I wanted to loose all my data, so it was ok to > delete everything... In your case, you may have to figure out how to export > some data first, as I don't know exactly what effect deleting that temp > directory will have) > > Good luck! > > --Tom > > On Monday, May 7, 2012, Doug Meil wrote: > > > > > Harsh pretty much summed it up already (e.g., "don't do that") but below > > is some further reading of what just happened... > > > > http://hbase.apache.org/book.html#arch.catalog > > http://hbase.apache.org/book.html#trouble.namenode > > > > ... META is just an HBase table under the covers. By deleting the table > on > > the HDFS filesystem, it did nothing with the table metadata in META. > > > > > > > > > > > > On 5/7/12 9:18 AM, "Harsh J" <[email protected] <javascript:;>> wrote: > > > > >The drop is what you ought to have done first, before removing the FS > > >folder and the meta entries. It does all those actions for you. Why > > >did you do it this way? > > > > > >Do you see the table still appearing in the list outputs? Can you > > >provide us a paste bin link of: > > > > > >echo "scan '.META.'" | hbase shell | grep cjjWaitHash > > > > > >On Mon, May 7, 2012 at 6:44 PM, Jiajun Chen <[email protected] > <javascript:;>> > > wrote: > > >> I deleted the folder use bin/hadoop fs -rmr /hbase/cjjWaitHash ,and > > >>deleted > > >> the row with prefix cjjWaitHash in .META. > > >> Now how can I drop the table cjjWaitHash ? > > > > > > > > > > > >-- > > >Harsh J > > > > > > > > > > -- 陈加俊 项目经理 优讯时代（北京）网络技术有限公司 优讯网 www.uuwatch.com 地址：北京市海淀区上地五街7号昊海大厦207 电话：010-82895510 传真：010-82896636 手机：15110038983 电邮：*[email protected]*
