You can also use distcp instead of the copyToLocal && scp && copyFromLocal chain you have there.
On Tue, Feb 9, 2010 at 7:02 PM, Dan Washusen <[email protected]> wrote: > +1 > > I use this method when performance testing on different data sets. I have > several datasets to test on (varying sizes, etc). When I want to switch > datasets I just shut down hbase and rename the /hbase directory... > > e.g. (assuming hbase is not running) > hadoop/bin/hadoop fs -mv /hbase /hbase.small > hadoop/bin/hadoop fs -mv /hbase.large /hbase > > When I want to move my data between clusters I use: > hadoop/bin/hadoop fs -copyToLocal /hbase.large /tmp/hbase.large > scp -r /tmp/hbase.large u...@host:/tmp > ssh u...@host > hadoop/bin/hadoop fs -put /tmp/hbase.large /hbase > > > Very handy :) > > > On 10 February 2010 13:50, Ryan Rawson <[email protected]> wrote: > >> If you stop the source cluster then you can distcp the /hbase to the >> other cluster. Done. A perfect copy. >> >> That is probably the most efficient/highest performing way. >> >> On Tue, Feb 9, 2010 at 6:47 PM, James Baldassari <[email protected]> wrote: >> > Hi, >> > >> > I'm wondering if it's possible to export all data from one HBase cluster >> > and import it into another. We have a lot of data that we've imported >> > into our staging HBase environment, and rather than repeating the >> > lengthy import process in our production environment we would prefer to >> > just copy all the data directly from HBase/HDFS in staging into >> > production. Is there an easy way to do this? I know Hadoop has some >> > distributed copy functionality, but I don't know if this will work with >> > HBase. The number of region servers and the replication factor will be >> > the same in the source and destination environments, but the >> > hostnames/IPs will be different. The production environment is >> > completely empty right now, so we don't need to worry about overwriting >> > data. >> > >> > I came across these links while searching for information HBase >> > export/import: >> > >> > http://issues.apache.org/jira/browse/HBASE-897 >> > http://issues.apache.org/jira/browse/HBASE-1684 >> > >> http://hadoop.apache.org/hbase/docs/current/api/org/apache/hadoop/hbase/mapreduce/Export.html >> > >> > Has anyone used these tools? Is there a better way? >> > >> > Thanks, >> > James >> > >> > >> > >> >
