| ********************************* |
| Administration Commands |
| ********************************* |
| |
| |
| ========== |
| Synopsis |
| ========== |
| |
| Tsql provides administration commands as follows: |
| |
| .. code-block:: sql |
| |
| 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 |
