maria-developers team mailing list archive

[Federico Razzoli <federico_raz@xxxxxxxx>]

I don't use it in production, but this may change in the future. The problem is that I cannot enable it when I need it, if I don't want to restart the server.

Regards
Federico


--------------------------------------------
El mar, 3/6/14, Colin Charles <colin@xxxxxxxxxxx> escribió:

 Asunto: [Maria-discuss] PERFORMANCE_SCHEMA to be disabled in 10.0 (10.0.12)
 Para: "Maria Discuss" <maria-discuss@xxxxxxxxxxxxxxxxxxx>, maria-developers@xxxxxxxxxxxxxxxxxxx
 Fecha: martes, 3 de junio, 2014 10:20
 
 Hi all,
 
 Recently there was chat about how PERFORMANCE_SCHEMA was
 enabled by mistake and it should be disabled in the 10.0
 series. I'm curious - how many of you are using
 PERFORMANCE_SCHEMA? Is it a problem to turn it on, if you
 use it?
 
 I'm referring to: 
     https://mariadb.atlassian.net/browse/MDEV-6249
 
 Looking from the webscalesql list, there are examples of
 performance degradation:
     https://groups.google.com/d/msg/webscalesql/B-4bPIb8mHI/eUNsl0lSfbMJ
     https://groups.google.com/d/msg/webscalesql/B-4bPIb8mHI/-YZMMCuPw3QJ
 
 quote: "Our perf testing agrees with your assessment (we see
 about a 5%-6% perf hit when it's included and on, and a
 2%-3% hit when it's included but off)"
 
 Please discuss this, either here or on MDEV-6249
 
 Thanks
 
 cheers,
 -colin
 
 --
 Colin Charles, Chief Evangelist, SkySQL - The MariaDB
 Company 
 blog: http://bytebot.net/blog/| t: +6-012-204-3201 | Skype:
 colincharles
 
 
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