Hi,
from time to time I get a NPE on my regionserver. Apparently it's occurring
while obtaining a row lock:
---
2011-12-13 02:00:19,582 DEBUG org.apache.hadoop.hbase.io.hfile.LruBlockCache:
Block cache LRU eviction completed; freed=39.59 MB, total=296.26 MB,
single=164.82 MB, multi=167.62 MB,
First off, what you want is: select * from table where id like '4E1167677%'
in MySQL.
Relational databases can typically use indexes to satisfy like "xxx%" type
queries, but not "%xxx%" queries.
HBase is really good at "xxx%" (prefix) type queries.
Just create a scan object, set the startke
Vamsi,
One easy hack is to:
config.set("mapred.job.tracker", "jthost:port");
(Or better yet, use the Tool interface always to write your Hadoop jobs and
then you can simply pass a "-jt " in the command-line when you want
it to run against a cluster.
On 13-Dec-2011, at 8:43 AM, Vamshi Krishna w
what i shoud set in job's classpath ? where should i do setting class path
for job and how ? My requirement is to run the MR jobs on the cluster of
nodes and NOT by LocalJobRunner , when i start the program form eclipse.
please help me..
My snippet of code for job settings is here, are there any mo
Hi,
I have a Table defined with the 3 columns.
I am looking for a query in HBase shell to print all the values starting with
some characters in Rowkey.
Example:
My rowids are:Coulm+Key
4E11676773AC3B6E9A3FE1CCD1051B8C&1323736118749497
colum=xx:size,timestamp=67667767,value=
4E1167677
Hi,
I'm running hbase-0.90.4-cdh3u2. We've been having an issue for the last week
or so when the balancer runs we get some regions that get stuck in transition.
I see this in the logs:
11/12/12 14:17:30 INFO master.LoadBalancer: Calculated a load balance in 14ms.
Moving 49 regions off of 4 ov
That setting also needs to be in your job's classpath, it won't guess it.
J-D
On Thu, Dec 8, 2011 at 10:14 PM, Vamshi Krishna wrote:
> Hi harsh,
> ya, i no jobs are seen in that jobtracker page, under RUNNING JOBS it is
> none, under FINISHED JOBS it is none,FAILED JOBS it is none . its just lik
Thanks guys, I'll start with 0.92rc0 then.
Royston.
On 11 Dec 2011, at 22:28, Stack wrote:
> On Sun, Dec 11, 2011 at 11:56 AM, Suraj Varma wrote:
>> Coprocessors are available with 0.92 which now has a release candidate (RC0).
>>
>> So - you can probably try and build 0.92 RC0 to test this fu
