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From "chunhui shen (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-6205) Support an option to keep data of dropped table for some time
Date Thu, 14 Jun 2012 02:43:42 GMT

     [ https://issues.apache.org/jira/browse/HBASE-6205?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

chunhui shen updated HBASE-6205:
--------------------------------

    Description: 
User may drop table accidentally because of error code or other uncertain reasons.

Unfortunately, it happens in our environment because one user make a mistake between production
cluster and testing cluster.

So, I just give a suggestion, do we need to support an option to keep data of dropped table
for some time, e.g. 1 day

In the patch:
We make a new dir named .trashtables in the rood dir.
In the DeleteTableHandler, we move files in dropped table's dir to trash table dir instead
of deleting them directly.
And Create new class TrashTableCleaner which will clean dropped tables if it is time out with
a period check.
Default keep time for dropped tables is 1 day, and check period is 1 hour.

  was:
User may drop table accidentally because of error code or other uncertain reasons.

Unfortunately, it happens in our environment because one user make a mistake between production
cluster and testing cluster.

So, I just give a suggestion, do we need to support an option to keep data of dropped table
for some time, eg.1 day.



    
> Support an option to keep data of dropped table for some time
> -------------------------------------------------------------
>
>                 Key: HBASE-6205
>                 URL: https://issues.apache.org/jira/browse/HBASE-6205
>             Project: HBase
>          Issue Type: New Feature
>    Affects Versions: 0.94.0, 0.96.0
>            Reporter: chunhui shen
>            Assignee: chunhui shen
>         Attachments: HBASE-6205.patch, HBASE-6205v2.patch
>
>
> User may drop table accidentally because of error code or other uncertain reasons.
> Unfortunately, it happens in our environment because one user make a mistake between
production cluster and testing cluster.
> So, I just give a suggestion, do we need to support an option to keep data of dropped
table for some time, e.g. 1 day
> In the patch:
> We make a new dir named .trashtables in the rood dir.
> In the DeleteTableHandler, we move files in dropped table's dir to trash table dir instead
of deleting them directly.
> And Create new class TrashTableCleaner which will clean dropped tables if it is time
out with a period check.
> Default keep time for dropped tables is 1 day, and check period is 1 hour.

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