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Re: PERFORMANCE_SCHEMA to be disabled in 10.0 (10.0.12)

 

hum, maybe a "-debug" package and a "-production" package could be better
if someone what a developer version get the -debug, for production use
"-production"

is it easy to create two kinds of packages at mariadb release time?

2014-06-03 14:10 GMT-03:00 Pavel Ivanov <pivanof@xxxxxxxxxx>:
> I personally would prefer if MariaDB had performance schema not
> compiled in by default. Then we wouldn't be frustrated every time we
> upgrade and find out that the tarball doesn't compile without
> performance schema (yes, 10.0.11 doesn't compile).
>
> On Tue, Jun 3, 2014 at 1:20 AM, Colin Charles <colin@xxxxxxxxxxx> wrote:
>> 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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-- 
Roberto Spadim
SPAEmpresarial
Eng. Automação e Controle


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