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From Kristoffer Sjögren <sto...@gmail.com>
Subject Re: Force remove table
Date Tue, 14 Oct 2014 08:48:32 GMT
The master did start after doing the following from hbase zkcli

$ rmr /hbase/unassigned

After this is was able to use hbase shell to remove the tables.

Thanks guys!

On Tue, Oct 14, 2014 at 10:27 AM, Dima Spivak <dspivak@cloudera.com> wrote:

> Kristoffer,
>
> It looks like this is described in
> https://issues.apache.org/jira/browse/HBASE-8912. In short, stop HBase,
> remove the affected znode, restart HBase, and then run hbase hbck
> -fixAssignments . Longer term, it may be worth upgrading past 0.94.16, if
> possible, because this issue has since been resolved.
>
> Let us know how it goes!
>
> -Dima
>
> On Tue, Oct 14, 2014 at 1:11 AM, Kristoffer Sjögren <stoffe@gmail.com>
> wrote:
>
> > I was thinking of doing that but I suspect that zookeeper keeps metadata
> of
> > tables also. Seems like region servers are fine for now without the
> master
> > and I don't want to make the problem worse by taking chances.
> >
> > If I run 'hbase hbck' it complains about master is not running also.
> >
> > I found the following two posts which indicate that I should remove the
> > zookeeper nodes. Can somebody confirm?
> >
> > 1. http://stackoverflow.com/a/14557937/1195960
> > 2. http://arnon.me/2013/01/killing-hbase-zombie-table/
> >
> >
> > On Tue, Oct 14, 2014 at 9:51 AM, lagend <lagend@foxmail.com> wrote:
> >
> > > Maybe you can remove the hdfs files of those bad tables.
> > > like: bin/hadoop fs -rm /hbase/TABLENAME
> > >
> > >
> > >
> > >
> > > ------------------ 原始邮件 ------------------
> > > 发件人: "Kristoffer Sjögren";<stoffe@gmail.com>;
> > > 发送时间: 2014年10月14日(星期二) 下午3:27
> > > 收件人: "user"<user@hbase.apache.org>;
> > >
> > > 主题: Force remove table
> > >
> > >
> > >
> > > Hi
> > >
> > > I accidentally created a few tables with 'lzo' compression without the
> > jar
> > > dependencies in hbase 0.94.7. This caused havoc on the master which
> > > eventually crashed and now I can't start it again [1].
> > >
> > > I tried to remove the tables but I can't - hbase shell is complaining
> > about
> > > the master is not running so i'm stuck.
> > >
> > > Is there a way to forcefully delete these tables or any other way to
> get
> > > the master back up?
> > >
> > > Cheers,
> > > -Kristoffer
> > >
> > >
> > > 1. http://pastebin.com/Jprr6j39
> > >
> >
>

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