Administration Commands¶

Synopsis¶

Tsql provides administration commands as follows:

default> \admin;
usage: admin [options]
 -cluster          Show Cluster Info
 -desc             Show Query Description
 -h,--host <arg>   Tajo server host
 -kill <arg>       Kill a running query
 -list             Show Tajo query list
 -p,--port <arg>   Tajo server port
 -showmasters      gets list of tajomasters in the cluster

Basic usages¶

-list option shows a list of all running queries as follows:

default> \admin -list
QueryId              State               StartTime           Query
-------------------- ------------------- ------------------- -----------------------------
q_1411357607375_0006 QUERY_RUNNING       2014-09-23 07:19:40 select count(*) from lineitem

-desc option shows a detailed description of a specified running query as follows:

default> \admin -desc q_1411357607375_0006
Id: 1
Query Id: q_1411357607375_0006
Started Time: 2014-09-23 07:19:40
Query State: QUERY_RUNNING
Execution Time: 20.0 sec
Query Progress: 0.249
Query Statement:
select count(*) from lineitem

-kill option kills a specified running query as follows:

default> \admin -kill q_1411357607375_0007
q_1411357607375_0007 is killed successfully.

-showmasters option shows a list of all tajo masters as follows:

default> \admin -showmasters
grtajo01