accumulo-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Mike Drob <md...@mdrob.com>
Subject Re: Forgot SECRET, how to delete zookeeper nodes?
Date Mon, 14 Jul 2014 04:43:29 GMT
Another option would have been to pick a different instance name when
rebuilding your cluster. Not that it helps you much now...


On Sun, Jul 13, 2014 at 11:28 PM, Jianshi Huang <jianshi.huang@gmail.com>
wrote:

> Thanks for the help. I think I might better re-ingest the data I need. :(
>
> Jianshi
>
>
> On Mon, Jul 14, 2014 at 12:05 PM, Sean Busbey <busbey@cloudera.com> wrote:
>
>> If you want to recover the data stored in tables from the old instance,
>> it'll be more straightforward to follow the advanced troubleshooting
>> section of the user manual.
>>
>> In there is a "what if zookeeper fails" section:
>>
>> http://accumulo.apache.org/1.6/accumulo_user_manual.html#zookeeper_failure
>>
>> Take note of the caveats in that section about potential data issues.
>>
>> --
>> Sean
>> On Jul 13, 2014 11:02 PM, "Vicky Kak" <vicky.kak@gmail.com> wrote:
>>
>>> Here is the example about the import/export
>>> http://accumulo.apache.org/1.6/examples/export.html
>>>
>>>
>>> On Mon, Jul 14, 2014 at 9:27 AM, William Slacum <
>>> wilhelm.von.cloud@accumulo.net> wrote:
>>>
>>>> If the zookeeper data is gone, your best bet is try and identify which
>>>> directories under /accumulo/tables points to which tables you had. You can
>>>> then bulk import the files into a new instance's tables.
>>>>
>>>>
>>>> On Sun, Jul 13, 2014 at 11:54 PM, Vicky Kak <vicky.kak@gmail.com>
>>>> wrote:
>>>>
>>>>> I am not sure if the tables could be recovered seamlessly, the tables
>>>>> are stored in undelying hdfs.
>>>>> I was thinking of using
>>>>> http://accumulo.apache.org/1.6/examples/bulkIngest.html to recover
>>>>> the tables, the better would be if we could update the zookeeper data
>>>>> pointing to the existing hdfs table data.
>>>>> I don't have more information about it as of now, we need someone else
>>>>> to help us here.
>>>>>
>>>>>
>>>>> On Mon, Jul 14, 2014 at 9:06 AM, Jianshi Huang <
>>>>> jianshi.huang@gmail.com> wrote:
>>>>>
>>>>>> It's too deleted... so the only option I have is to delete the
>>>>>> zookeeper nodes and reinitialize accumulo.
>>>>>>
>>>>>> You're right, I deleted the zk nodes and now Accumulo complains
>>>>>> nonode error.
>>>>>>
>>>>>> Can I recover the tables for a new instance?
>>>>>>
>>>>>> Jianshi
>>>>>>
>>>>>>
>>>>>> On Mon, Jul 14, 2014 at 11:28 AM, Vicky Kak <vicky.kak@gmail.com>
>>>>>> wrote:
>>>>>>
>>>>>>> Can't you get the secret from the corresponding accumulo-site.xml
or
>>>>>>> this is too deleted?
>>>>>>>
>>>>>>> Deletion from the zookeeper should be done using the rmr /accumulo
>>>>>>> command, you will have to use zkCli.sh to use zookeeper client.
I have been
>>>>>>> doing this sometime back, have not used it recently.
>>>>>>> I would not recommend to delete the information in zookeeper
unless
>>>>>>> there is not other option, you may loose the data IMO.
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On Mon, Jul 14, 2014 at 8:40 AM, Jianshi Huang <
>>>>>>> jianshi.huang@gmail.com> wrote:
>>>>>>>
>>>>>>>> Clusters got updated and user home files lost... I tried
to
>>>>>>>> reinstall accumulo but I forgot the secret I put before.
>>>>>>>>
>>>>>>>> So how can I delete /accumulo in Zookeeper?
>>>>>>>>
>>>>>>>> Or is there a way to rename instance_id?
>>>>>>>>
>>>>>>>> --
>>>>>>>> Jianshi Huang
>>>>>>>>
>>>>>>>> LinkedIn: jianshi
>>>>>>>> Twitter: @jshuang
>>>>>>>> Github & Blog: http://huangjs.github.com/
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Jianshi Huang
>>>>>>
>>>>>> LinkedIn: jianshi
>>>>>> Twitter: @jshuang
>>>>>> Github & Blog: http://huangjs.github.com/
>>>>>>
>>>>>
>>>>>
>>>>
>>>
>
>
> --
> Jianshi Huang
>
> LinkedIn: jianshi
> Twitter: @jshuang
> Github & Blog: http://huangjs.github.com/
>

Mime
View raw message