There is no built in functionality in HDFS to do this. However, there are
some software that can restore the hard-drive to a previous date (they work
on the OS level transparent to HDFS), you might wanna try one of those. Not
sure how the namenode will react to this though, you could at least get t
Nope.
Sorry :(
On Mon, Jun 2, 2014 at 1:31 PM, Amjad ALSHABANI
wrote:
> Thanx Zesheng,
>
> I should admit that I m not an expert in Hadoop infrastructure, but I have
> heard my colleagues talking about HDFS replicas?
> Couldn't that help in retrieving the lost data??
>
> Amjad
>
>
> On Fri, Ma
Thanx Zesheng,
I should admit that I m not an expert in Hadoop infrastructure, but I have
heard my colleagues talking about HDFS replicas?
Couldn't that help in retrieving the lost data??
Amjad
On Fri, May 30, 2014 at 1:44 PM, Zesheng Wu wrote:
> I am afraid this cannot undo, in HDFS only the
I am afraid this cannot undo, in HDFS only the data which is deleted by the
dfs client and goes into the trash can be undone.
2014-05-30 18:18 GMT+08:00 Amjad ALSHABANI :
> Hello Everybody,
>
> I ve made a mistake when writing to HDFS. I created new database in Hive
> giving the location on HDFS
Hello Everybody,
I ve made a mistake when writing to HDFS. I created new database in Hive
giving the location on HDFS but I found that it removed all other data that
exist already.
=
before creation, the directory on HDFS contains :
pns@app11:~$ hadoop fs -ls /user/hive/warehouse
Found 25 ite
