if you have 2 nodes and replication factor is 1 then this is a problem, I would like to suggest minimum replication factor as 2 this would make sure that even if 1 node is down, data is served from replicated blocks
On Thu, Jul 5, 2012 at 12:27 PM, shaik ahamed <shaik5...@gmail.com> wrote: > Thanks for the reply guys, > > Yesterday night im able to fecth the data .And my second node is down in > the sence im not able to connect to the 2 machine as i have 3 machiens 1 > master and 2 slave .As the 2 second one im not able to connect .Is this the > prob for not retreiving the data, or other than this. > > > > On Thu, Jul 5, 2012 at 12:23 PM, Nitin Pawar <nitinpawar...@gmail.com>wrote: > >> can you check dfs health? >> >> I think few of your nodes are down >> >> >> On Thu, Jul 5, 2012 at 12:17 PM, shaik ahamed <shaik5...@gmail.com>wrote: >> >>> Hi All, >>> >>> >>> Im not able to fetch the data from the hive >>> table ,getting the below error >>> >>> FAILED: Error in semantic analysis: >>> >>> hive> select * from vender; >>> OK >>> Failed with exception java.io.IOException:java.io.IOException: Could not >>> obtain block: blk_-3328791500929854839_1178 >>> file=/user/hive/warehouse/vender/bigtest.txt >>> Time taken: 9.129 seconds >>> Please help me in this >>> >>> Regards >>> shaik. >>> >> >> >> >> -- >> Nitin Pawar >> >> > -- Nitin Pawar
