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From:Ben Clewett Date:May 9 2008 1:49pm
Subject:Re: InnoDB Log Optimisation
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Thanks for the idea.  Unfortunately nothing I can easily use (for 
instance in MySql Administrator) to log and monitor the lag in bytes 
between log writes and row data writes. :)

Iñigo Medina García wrote:
> Hi Ben,
> 
>> Dear MySql,
>>
>> I am trying to optimise InnoDB, and trying to find out how much of the
>> innodb log file contains row data which has not been written to storage.
>>
>> Therefore I can optimize the size of the log, keeping it low to reduce
>> crash recovery time yet high enough to be useful.
> 
> :-)
> 
>> I can see the varaible 'Innodb_data_pending_writes' which may be what I
>> need.  This is zero, I am not sure whether this means I have no
>> uncommitted data in the log, or something else.
>>
>> Can't find anything much on Google.
>>
>> If any member can help me, would be very usesful :)
> 
> What spits "SHOW INNODB STATUS\G" ?
> 
>     Iñigo
> 
>> Regards,
>>
>> Ben.
>>
>>
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> 

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This e-mail is confidential and may be legally privileged. It is intended
solely for the use of the individual(s) to whom it is addressed. Any
content in this message is not necessarily a view or statement from Road
Tech Computer Systems Limited but is that of the individual sender. If
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reasonable endeavours to virus scan all e-mails leaving the company but
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You should undertake your own virus checking. The right to monitor e-mail
communications through our networks is reserved by us

  Road Tech Computer Systems Ltd. Shenley Hall, Rectory Lane, Shenley,
  Radlett, Hertfordshire, WD7 9AN. - VAT Registration No GB 449 3582 17
  Registered in England No: 02017435, Registered Address: Charter Court, 
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Thread
InnoDB Log OptimisationBen Clewett9 May
  • Re: InnoDB Log OptimisationIñigo Medina García9 May
    • Re: InnoDB Log OptimisationBen Clewett9 May