[MCOL-1876] ExeMgr Could not get a ExeMgr connection. Created: 2018-11-12  Updated: 2022-11-05  Resolved: 2022-11-05

Status: Closed
Project: MariaDB ColumnStore
Component/s: MariaDB Server
Affects Version/s: 1.1.6
Fix Version/s: Icebox

Type: Bug Priority: Critical
Reporter: Syed Tausiff Assignee: Unassigned
Resolution: Won't Do Votes: 0
Labels: performance
Environment:

Linux 3.10.0-862.el7.x86_64 #1 SMP x86_64 x86_64 x86_64 GNU/Linux



 Description   

yyerror: 1: syntax error at TEMPORARY
Could not get a ExeMgr connection.
ClientRotator::write() failed: /data/buildbot/bb-worker/centos7/mariadb-columnstore-engine/dbcon/execplan/clientrotator.cpp: Could not get a connection to a ExeMgr
Could not get a ExeMgr connection.
ClientRotator::write() failed: /data/buildbot/bb-worker/centos7/mariadb-columnstore-engine/dbcon/execplan/clientrotator.cpp: Could not get a connection to a ExeMgr
 
 
MariaDB [tdms]> call columnstore_info.table_usage(NULL,NULL);
ERROR 1644 (45000): Error acquiring table_usage lock
 
 select count(*) from tablename_columnstore ;
 
Select query is running for 2+ hours and not providing any output on Columnstore Table . 
Please help with the issue fix
 
MariaDB [(none)]> show processlist ;
+----+-------------+-----------+------+---------+------+--------------------------+-------------------------------------------+----------+
| Id | User        | Host      | db   | Command | Time | State                    | Info                                      | Progress |
+----+-------------+-----------+------+---------+------+--------------------------+-------------------------------------------+----------+
|  3 | system user |           | NULL | Daemon  | NULL | InnoDB purge coordinator | NULL                                      |    0.000 |
|  4 | system user |           | NULL | Daemon  | NULL | InnoDB purge worker      | NULL                                      |    0.000 |
|  1 | system user |           | NULL | Daemon  | NULL | InnoDB purge worker      | NULL                                      |    0.000 |
|  2 | system user |           | NULL | Daemon  | NULL | InnoDB purge worker      | NULL                                      |    0.000 |
|  5 | system user |           | NULL | Daemon  | NULL | InnoDB shutdown handler  | NULL                                      |    0.000 |
| 13 | root        | localhost | XXXX| Query   |  222 | Sending data             | select *  from infinidb_vtable.$vtable_13 |    0.000 |
| 14 | root        | localhost | NULL | Query   |    0 | init                     | show processlist                          |    0.000 |



 Comments   
Comment by Todd Stoffel (Inactive) [ 2022-11-05 ]

This item is being closed because it was well passed the expiration date with no activity. If you suspect this was done in error please create a new ticket.

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