You are viewing a plain text version of this content. The canonical link for it is here.
Posted to dev@drill.apache.org by "Arina Ielchiieva (Jira)" <ji...@apache.org> on 2019/12/10 13:10:00 UTC

[jira] [Created] (DRILL-7476) Info in some sys schema tables are missing if queried with limit clause

Arina Ielchiieva created DRILL-7476:
---------------------------------------

             Summary: Info in some sys schema tables are missing if queried with limit clause
                 Key: DRILL-7476
                 URL: https://issues.apache.org/jira/browse/DRILL-7476
             Project: Apache Drill
          Issue Type: Bug
    Affects Versions: 1.17.0
            Reporter: Arina Ielchiieva


Affected schema: sys
Affected tables: connections, threads, memory

If query is executed with limit clause, information for some fields are missing:

*Connections*
{noformat}
apache drill (sys)> select * from connections;
+-----------+---------------+------------+-------------------------+-------------------+---------+-----------------+-------------+----------+--------------------------------------+
|   user    |    client     |  drillbit  |       established       |     duration      | queries | isAuthenticated | isEncrypted | usingSSL |               session                |
+-----------+---------------+------------+-------------------------+-------------------+---------+-----------------+-------------+----------+--------------------------------------+
| anonymous | xxx.xxx.x.xxx | xxx | 2019-12-10 13:45:01.766 | 59 min 42.393 sec | 27      | false           | false       | false    | xxx |
+-----------+---------------+------------+-------------------------+-------------------+---------+-----------------+-------------+----------+--------------------------------------+
1 row selected (0.1 seconds)
apache drill (sys)> select * from connections limit 1;
+------+--------+----------+-------------------------+----------+---------+-----------------+-------------+----------+---------+
| user | client | drillbit |       established       | duration | queries | isAuthenticated | isEncrypted | usingSSL | session |
+------+--------+----------+-------------------------+----------+---------+-----------------+-------------+----------+---------+
|      |        |          | 2019-12-10 13:45:01.766 |          | 28      | false           | false       | false    |         |
+------+--------+----------+-------------------------+----------+---------+-----------------+-------------+----------+---------+
{noformat}

*Threads*
{noformat}
apache drill (sys)> select * from threads;
+------------+-----------+---------------+--------------+
|  hostname  | user_port | total_threads | busy_threads |
+------------+-----------+---------------+--------------+
| xxx | 31010     | 27            | 23           |
+------------+-----------+---------------+--------------+
1 row selected (0.119 seconds)
apache drill (sys)> select * from threads limit 1; 
+----------+-----------+---------------+--------------+
| hostname | user_port | total_threads | busy_threads |
+----------+-----------+---------------+--------------+
|          | 31010     | 27            | 24           |
{noformat}

*Memory*
{noformat}
apache drill (sys)> select * from memory;
+------------+-----------+--------------+------------+----------------+--------------------+------------+
|  hostname  | user_port | heap_current |  heap_max  | direct_current | jvm_direct_current | direct_max |
+------------+-----------+--------------+------------+----------------+--------------------+------------+
| xxx | 31010     | 493974480    | 4116185088 | 5048576        | 122765             | 8589934592 |
+------------+-----------+--------------+------------+----------------+--------------------+------------+
1 row selected (0.115 seconds)
apache drill (sys)> select * from memory limit 1;
+----------+-----------+--------------+------------+----------------+--------------------+------------+
| hostname | user_port | heap_current |  heap_max  | direct_current | jvm_direct_current | direct_max |
+----------+-----------+--------------+------------+----------------+--------------------+------------+
|          | 31010     | 499343272    | 4116185088 | 9048576        | 122765             | 8589934592 |
+----------+-----------+--------------+------------+----------------+--------------------+------------+
{noformat}



--
This message was sent by Atlassian Jira
(v8.3.4#803005)