Florin, In core-site.xml, simply set a value for "fs.trash.interval" as the number of minutes you want the trash to retain items. A generally good value is 24 hours, i.e. "1440" minutes.
On Thu, Jun 9, 2011 at 12:07 PM, Florin P <florinp...@yahoo.com> wrote: > Hello! > Thank you for you response. Regarding the Trash feature, how can we properly > configure this feature (config files etc) in the mentioned hadoop version? > The information that I've taken from the Guide > (http://hadoop.apache.org/common/docs/r0.20.2/hdfs_design.html) is a little > bit vague. > Thank you again. > Regards, > Florin > > --- On Wed, 6/8/11, Harsh J <ha...@cloudera.com> wrote: > >> From: Harsh J <ha...@cloudera.com> >> Subject: Re: When rmr and rm strike >> To: hdfs-user@hadoop.apache.org >> Date: Wednesday, June 8, 2011, 6:39 AM >> A question prompt option must be >> added, agreed. >> >> For your recovery question, did you/do you have the HDFS >> Trash feature >> enabled in your cluster? >> >> On Wed, Jun 8, 2011 at 2:20 PM, Florin P <florinp...@yahoo.com> >> wrote: >> > Hello! >> > I'm using the hadoop version from cloudera >> hadoop-core-0.20.2-cdh3u1-SNAPSHOT.jar. >> > Today I've made a mistake. I have deleted my >> user from HDFS with the command >> > hadoop fs -rmr /user/my_user >> > >> > No question: are you sure to delete? Are you really >> sure? >> > So panic...what to do? How can I recover my lost >> data? >> > From the above real scenario, the following >> improvements and questions can incur: >> > 1. Add a question when you are deleting a folder or a >> file, such as "Are you sure you want to delete X?" >> > 2. In order to automate the delete process and surpass >> the above question, add an option to pass the answer to it >> (sometimes you need this feature) >> > 3. How can recover a deleted "user" with its >> associated data (in my case "my_user") >> > 4. Where goes the data from a deleted folder with the >> "rmr" otion? >> > 5. Where goes the data from a deleted folder with the >> "rm" otion? >> > 6. How can be recovered (undeleted) the data deleted >> from question 4 and 5? >> > >> > Thank you for your answers. >> > >> > Kind regards, >> > Florin >> > >> > >> > >> > >> > >> > >> >> >> >> -- >> Harsh J >> > -- Harsh J
