Thank you very much!
I think I know the fact: The Innodb can't reuse the deleted rows' disk
space. And a solution is: dump the data; shutdown mysql; delete the
files; restart mysql; import the data.
2006/7/24, dilipkumar_parikh@stripped <dilipkumar_parikh@stripped>:
> Try using the optimize table tablename ,but this will keep the data accordingly,but
> really if it is a disk space constraint you can go with re-org process in which you will
> have to get a down time for mysql db.Process is something like .
> Dump all the Innodb tables drop the existing innodb tables and shutdown mysql, clear
> the Innodb log-space as ibdata1 & indata2 & iblogfile0 & iblogfile1 and also
> the redo logs of the innodb.
> Then start the mysql this will create innodb logs 1 & innodb2 as what u have
> mentioned in ur cnf file and import the dump .
> In this case u can able to reduce the space usage of innodb.
> Try this it might help u out.
> With Regards
> > Hi, all
> > I know the Innodb use MVCC to achieve very high concurrency. Can
> > Innodb reuse the deleted rows disk space? I have an database which
> > have many update operation. If Innodb can\'t reuse the space of deleted
> > rows, I worry about that MySQL will exhaust our disk space very
> > quickly.
> > Any recommend will be welcome!
> > Regards,
> > Leo Huang
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