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From:Krishna Chandra Prajapati Date:May 13 2008 9:05am
Subject:Re: Data Modelling
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Hi,

I am looking for a solution to reduce the table locks as mytop shows that
table gets locked very frequently. During report generation.

Thanks,
Prajapati

On Tue, May 13, 2008 at 1:10 PM, Ananda Kumar <anandkl@stripped> wrote:

> what is the reason for creating main_dup. If your thinking of taking a
> backup of all the changes from  main table, then the trigger also will have
> to wait, till the locks on the main table are released.
>
> This trigger would add another feather to the lock/load on the machine.
>
> regards
> anandkl
>
>
> On 5/13/08, Krishna Chandra Prajapati <prajapatikc@stripped> wrote:
> >
> > Hi,
> >
> > Generally, in data modelling there are some independent table, user
> > related
> > tables, master tables and one main table which is related with most of
> > the
> > tables. Almost in all the queries main table is involved to fetch the
> > `id`.
> > In this way main table is used maximum. some times the main table gets
> > locked due to the other query. When the hits on database server
> > increases
> > the locking time will increase.
> >
> > Is there any way to reduce the locking time of main table.
> > for eg main_dup can be created. To reflect all the changes from main
> > table
> > to main_dup trigger can be used. So main_dup can be used to reduce the
> > locking time of table.
> >
> > The above is my idea. Is there any other way to reduce the locking
> > period.
> >
> > --
> > Krishna Chandra Prajapati
> > MySQL DBA,
> > Ed Ventures e-Learning Pvt.Ltd.
> > 1-8-303/48/15, Sindhi Colony
> > P.G.Road, Secunderabad.
> > Pin Code: 500003
> > Office Number: 040-66489771
> > Mob: 9912924044
> > URL: ed-ventures-online.com
> > Email-id: prajapatikc@stripped
> >
>
>


-- 
Krishna Chandra Prajapati
MySQL DBA,
Ed Ventures e-Learning Pvt.Ltd.
1-8-303/48/15, Sindhi Colony
P.G.Road, Secunderabad.
Pin Code: 500003
Office Number: 040-66489771
Mob: 9912924044
URL: ed-ventures-online.com
Email-id: prajapatikc@stripped

Thread
Data ModellingKrishna Chandra Prajapati13 May
  • Re: Data ModellingAnanda Kumar13 May
    • Re: Data ModellingKrishna Chandra Prajapati13 May
      • Re: Data ModellingBen Clewett13 May
        • Re: Data ModellingKrishna Chandra Prajapati13 May
  • Re: Data ModellingBen Clewett13 May
    • Re: Data ModellingKrishna Chandra Prajapati13 May