Thank you for replying.
In my application,there's no DDL.But the DML(insert and update) operations
are very heavy.
When I stop all the DML operations,I can backup successfully , so I guess
the reason is the DML
operations,which cause the transaction problem.
This is my cluster config:
Would you please give me some advice about the transaction so solve the
Thank you again.
On Thu, Jul 21, 2011 at 12:18 AM, Stewart Smith <stewart@stripped>wrote:
> On Wed, 20 Jul 2011 17:16:31 +0800, "hoo.smth" <hoo.smth@stripped> wrote:
> > ndb_mgm> start backup
> > Waiting for completed, this may take several minutes
> > Backup failed
> > Node 3: Backup 48 started from 1 has been aborted. Error: 785* 3001:
> > not start backup
> > * Schema object is busy with another schema transaction: Temporary
> > error: Temporary Resource error
> > It's not always failed, when I'm very lucky,i can backup successfully.
> > I have googled the whole day, but still haven't solve it.
> > Thanks for reading.
> A backup cannot proceed while DDL is being executed, and this is what
> the error above is about. You may have DDL operations happenning often
> and this is why you're getting this error. You can simply retry or wait
> until DDL is done.
> Stewart Smith