[MDEV-28372] Extremely long answer to get the result of a sql query Created: 2022-04-20  Updated: 2022-04-20

Status: Open
Project: MariaDB Server
Component/s: None
Affects Version/s: None
Fix Version/s: None

Type: Bug Priority: Major
Reporter: Jaroslav Zeman Assignee: Unassigned
Resolution: Unresolved Votes: 0
Labels: None
Environment:

Window 10 -> WSL Ubuntu -> Docker -> MariaDB



 Description   

Hi

After send sql query to SQL server, I always wait for an answer in minutes. when the number of rows exceeds approximately more than 100 ( In show processlist I see the status: sending data more as 200 seconds). For the sql query, I used a mysql client inside the container, so it's not a network problem out of the container. The same sql query on a mariadb server directly installed in Windows is 7 seconds (the same data, after default installation - no changes in my.cnf).

Advise on how to diagnose the problem and fix it.

My configuration:

OS Windows 10.0.19044 N/A Build 19044
linux over wsl Ubuntu-20.04 (Default)
Docker version 20.10.14, build a224086 (in wsl)
MariaDB Image: mariadb:10.7

Jaroslav


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