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From:Steven Staples Date:November 10 2011 2:08pm
Subject:RE: Relication Issues
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My Apologies,

The tables are all MyISAM, most of the inserts/updates/deletes are done
through stored procedures on the master.  There are about 2 stored procedure
calls per second, consisting of a whole bunch of queries, updates, and
inserts within them.

The latest issue(s) we're having, are:

Could not execute Write_rows event on table xxx.xxxxx; Duplicate entry
'201111-00001016792' for key 'PRIMARY', Error_code: 1062; handler error
HA_ERR_FOUND_DUPP_KEY; the event's mas
 
Could not execute Write_rows event on table xxx.xxxxx; Duplicate entry
'44870420' for key 'PRIMARY', Er 

Update_rows event on table xxx.xxxxx; Can't find record in 'xxxxx',
Error_code: 1032; handler error HA_ERR_KEY

(Where xxx is the databse, and xxxxx is the table)

The replication broke yesterday morning for some reason, and the primary key
index was at around 900,000.  When we found out it was down, and ended up
getting to work on it, we tried to restart it and the next ID it was
inserting for was 1,016,792.   So we're missing about 100,000 enteries, and
they are not in the bin log (as far as I can see).


Steve.

> -----Original Message-----
> From: Reindl Harald [mailto:h.reindl@stripped]
> Sent: November 10, 2011 8:42 AM
> To: mysql@stripped
> Subject: Re: Relication Issues
> 
> replication is buggy sometimes
> 
> but without any outputs desribing your problem nobody can really help you
-
> memory tables as example are making much more troubles as myisam
> 
> Am 10.11.2011 14:26, schrieb Steven Staples:
> > Good morning list,
> >
> > I am having issues with my replication setup. it seems that every few
> > weeks/months something happens, and I have to restart it, skip a row,
> > or delete, rsync and restart replication from scratch.
> >
> > The databases that are being replicated, are rather large... there are
> > about
> > 12 new tables every year, each consisting of about 2-4g in size each
> > (today's total database size is 83g).
> >
> > Again, things work fine for a while, and then there are issues.  The
> > backup/slave is on the same network/datacenter, so network speed isn't
an
> > issue.  I just don't understand why inconsistencies keep arising.   Is
> there
> > a better way to do live backups, or have a hot space in the event of a
> > catastrophe?   Is there 3rd party software that would better achieve
data
> > integrity or something?
> >
> > Any help here would be appreciated.


Thread
Relication IssuesSteven Staples10 Nov
  • Re: Relication IssuesReindl Harald10 Nov
    • RE: Relication IssuesSteven Staples10 Nov
      • Re: Relication IssuesPrabhat Kumar10 Nov