Uh, you want to store your tablespaces on a NFS mount? Although that
should be possible, you certainly don't want that - your performance
will drop drastically! So, don't... If you want to try it anyway you
should use NFSv4 and TCP (instead of UDP).

JM2C,
Oliver

On 21/10/09 15:43, Kunsheng Chen wrote:
> Just found out the increase of ibdata1 is reported as a bug in Mysql.
> 
> The thing is that Mysql is eating up my space in /var, but I have some in a 
> NFS system.
> 
> Possible to direct the data path to NFS ? I prefer to that to a risk of 
> crashing my system.
> 
> Any idea is well appreciated,
> 
> 
> 
> Thanks,
> 
> -Kun
> 
> 
> --- On Tue, 10/20/09, Slawomir Rzeznicki <[email protected]> wrote:
> 
>> From: Slawomir Rzeznicki <[email protected]>
>> Subject: Re: [boinc_dev] Backup Mysql databases for the project
>> To: "BOINC_dev" <[email protected]>, "Kunsheng Chen" 
>> <[email protected]>
>> Date: Tuesday, October 20, 2009, 7:29 AM
>>
>>
>>  
>>  
>>
>>
>>  
>> You can fix the
>> problem with the database file 
>> size by setting innodb_file_per_table option in your
>> mysql config file. 
>>
>> Instead of one large file,
>> it will tell the 
>> database engine to split the entire database into
>> smaller files, one 
>> file per table.
>> This makes database
>> maintenance, optimization and 
>> backups much easier and increases performance,
>> especially on machines with 
>> not enough RAM to keep the entire DB cached in memory.
>>
>> As far as I remember,
>> after switching to 
>> innodb_file_per_table you have to do ALTER TABLE (or
>> OPTIMIZE, but for InnoDB 
>> it's mapped to ALTER anyway) for each InnoDB table to
>> make it 'jump out' from 
>> the ibdata to a separate file. 
>> It won't make the
>> ibdata file smaller however, 
>> but the file won't be used anymore.
>>
>>  
>> /TJM
>>  
>>  
>> On Mon, 19 Oct 2009
>> 21:56:05 -0700 
>> (PDT)
>>  Kunsheng Chen <[email protected]>
>> wrote:
>>> Mysql in my 
>> project is getting huge because of that 
>>> 'ibdata1' file.
>>>
>>> I 
>> am thinking of backup databases and restore after 
>>> delete 
>> 'ibdata1'.
>>> Recall I did tell the ./make_project script the mysql 
>>> user name and password when created the project long
>> time 
>>
>>> ago.  
>>>
>>> I am wondering if a backup of the project 
>> database is 
>>> enough for that ? 
>>>
>>> Also my file 'ibdata1' is 
>> getting too huge (16GB), it was 
>>> caused by some innodb settings. The 
>> thing I am worried is 
>>> that after deleting ibdata1 and restart, it will 
>> getting 
>>> back to that size again.
>>>
>>>
>>> Any idea 
>> ?
>>>
>>> Thanks,
>>>
>>> -Kun
>>>
>>>
>>>        
>>> _______________________________________________
>>> boinc_dev mailing 
>> list
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>>> http://lists.ssl.berkeley.edu/mailman/listinfo/boinc_dev
>>> To 
>> unsubscribe, visit the above URL and
>>> (near bottom of page) enter your 
>> email address.
>>  
>>  
>>
>>
> 
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