mysql slave replication with master-retry-count

2008-09-09 Thread Frederic Belleudy
hello, I would like to set that option in mysql 5.0.45 on my slave server: |master-retry-count=800 my slave status: Slave_IO_State: Queueing master event to the relay log Master_Host: xx.xx.xx.xx Master_User: fmRepl Master_Port: 3306

MySQL 5.0.27 replication problems

2007-09-28 Thread Andrew Braithwaite
Hi, I keep getting the below in the error log. I can't see any problems (no other errors and replication is working) and the master DB is available the whole time. 070928 12:07:31 [Note] Slave: received end packet from server, apparent master shutdown: 070928 12:07:31 [Note] Slave I/O thread:

Re: MYSQL data replication

2007-06-09 Thread Baron Schwartz
round up the hardware to test a 50 node configuration. On 6/8/07, Baron Schwartz [EMAIL PROTECTED] wrote: Hi sol, sol beach wrote: I have limited experience with MYSQL replication; which is why I am hoping others with more experience can answer a question or two. Let's say I have a MASTER

Re: MYSQL data replication

2007-06-08 Thread Jimmy Guerrero
://blog.irwan.name/?p=118 Jimmy Guerrero Sr Product Manager MySQL, Inc Houston, TX sol beach wrote: I have limited experience with MYSQL replication; which is why I am hoping others with more experience can answer a question or two. Let's say I have a MASTER MYSQL database. Let's say there are 50 - 60 other

Re: MYSQL data replication

2007-06-08 Thread Jimmy Guerrero
also gives you failover capabilities. Mohd posted a blog on his experience yesterday. See: http://blog.irwan.name/?p=118 Jimmy Guerrero Sr Product Manager MySQL, Inc Houston, TX sol beach wrote: I have limited experience with MYSQL replication; which is why I am hoping others with more

Re: MYSQL data replication

2007-06-08 Thread Baron Schwartz
Hi sol, sol beach wrote: I have limited experience with MYSQL replication; which is why I am hoping others with more experience can answer a question or two. Let's say I have a MASTER MYSQL database. Let's say there are 50 - 60 other systems where I'd like to have MYSQL running on these slave

MYSQL data replication

2007-06-07 Thread sol beach
I have limited experience with MYSQL replication; which is why I am hoping others with more experience can answer a question or two. Let's say I have a MASTER MYSQL database. Let's say there are 50 - 60 other systems where I'd like to have MYSQL running on these slave systems. These slave systems

MySQL docs: Replication Chapter Revamped

2007-02-13 Thread Stefan Hinz
Replication Chapter Revamped We have completely reworked the replication chapter for the 5.1 manual. This targets a number of issues, including a major redesign (to make it easier to read and find topics), some updates to the information and processes, and

Re: MySQL docs: Replication Chapter Revamped

2007-02-13 Thread David Griffiths
Very cool - looking forward to reading it with the new replication options in 5.1 David Stefan Hinz wrote: Replication Chapter Revamped We have completely reworked the replication chapter for the 5.1 manual. This targets a number of issues, including a major

Free chapter of O'Reilly High Performance MySQL on replication

2006-10-06 Thread Curious George
Thought this might be of interest to some on the list: http://www.oreilly.com/catalog/hpmysql/chapter/ch07.pdf -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]

MySQL Binlog/Replication and SET @variables

2005-06-24 Thread Markus Benning
Hello, i have a problem with my replication setup and SET statments. The SET statments seem to be not logged with the queries. An example: CREATE TABLE blablub (ID INT NOT NULL auto_increment PRIMARY KEY, bla text, blub text); SET @bla='bla'; SET @blub='blub'; INSERT INTO blablub VALUES(NULL,

Re: MySQL Binlog/Replication and SET @variables

2005-06-24 Thread Ware Adams
/mysql/en/replication-features.html --Ware -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]

Re: MySQL Binlog/Replication and SET @variables

2005-06-24 Thread Gleb Paharenko
Hello. It seems like a documented bug. Switch to 4.1.12. See: http://dev.mysql.com/doc/mysql/en/replication-features.html Markus Benning [EMAIL PROTECTED] wrote: Hello, i have a problem with my replication setup and SET statments. The SET statments seem to be not logged

mysql total replication question

2005-06-05 Thread Shannon R.
Hi All! I'm using the latest mysql 4.0.x and I've successfully set-up database replication on it over 2 machines. I have noticed though that mysql doesn't seem to replicate CREATE TABLE operations on the master to the slave. Is this a limitation? Or I just missed something. If so, can someone

Re: mysql total replication question

2005-06-05 Thread Gleb Paharenko
Hello. In my replication setup with 4.1.11 master and 5.0.4 slave CREATE TABLE and CREATE DATABASE statements are replicated perfectly. Shannon R. [EMAIL PROTECTED] wrote: Hi All! I'm using the latest mysql 4.0.x and I've successfully set-up database replication on it over 2

Upgrade MySQL and replication dies

2005-04-06 Thread Jacob Friis Larsen
I use Debian Sarge as my Linux distribution on two servers who replicate MySQL. Every time I upgrade the MySQL package my replication dies. Any ideas why? Thanks, Jacob -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe:http://lists.mysql.com/[EMAIL

Re: Upgrade MySQL and replication dies

2005-04-06 Thread Gleb Paharenko
MySQL. Every time I upgrade the MySQL package my replication dies. Any ideas why? Thanks, Jacob -- For technical support contracts, goto https://order.mysql.com/?ref=ensita This email is sponsored by Ensita.NET http://www.ensita.net

Re: Upgrade MySQL and replication dies

2005-04-06 Thread Jacob Friis Larsen
check next time. Thanks, Jacob Jacob Friis Larsen [EMAIL PROTECTED] wrote: I use Debian Sarge as my Linux distribution on two servers who replicate MySQL. Every time I upgrade the MySQL package my replication dies. Any ideas why? Thanks, Jacob -- For technical

Oracle 2 MySQL updates/replication?

2004-07-13 Thread Carl Edwards
Hello, I found a question about Oracle 2 MySQL replication in the archive on Sep. 2001 but no mention since? We have a department using Oracle 8.1.7 and I'm running MySQL 4.0 and neither of us wants to change :-) I could call a Perl, C++ or Java program from cron to periodically update

Re: Oracle 2 MySQL updates/replication?

2004-07-13 Thread Jeremy Zawodny
On Tue, Jul 13, 2004 at 06:11:22PM -0700, Carl Edwards wrote: Hello, I found a question about Oracle 2 MySQL replication in the archive on Sep. 2001 but no mention since? We have a department using Oracle 8.1.7 and I'm running MySQL 4.0 and neither of us wants to change :-) I could

Re: Oracle 2 MySQL updates/replication?

2004-07-13 Thread Justin Swanhart
. --- Jeremy Zawodny [EMAIL PROTECTED] wrote: On Tue, Jul 13, 2004 at 06:11:22PM -0700, Carl Edwards wrote: Hello, I found a question about Oracle 2 MySQL replication in the archive on Sep. 2001 but no mention since? We have a department using Oracle 8.1.7 and I'm running MySQL 4.0

Is there any good soul out there who can help me with mysql 4.0.17 replication.

2004-06-02 Thread Ravi T
Hi, I am new to mysql and having some trouble with replication. Simple stuff like, 1. How to restart the stopped resplication, 2. How to check if the replication is working, 3. How to bring the slave into master status when master crashes, 4. How to restore master and re-enable

Re: MySQL 4.1 replication relay log control

2003-10-11 Thread Christopher L. Everett
Victoria Reznichenko wrote: relay-log-purge is available from 4.1.1. Do you use 4.1.1 or 4.1.0? Is it in the manual because relay-log-purge is available in 4.0.x? AFAICT, 4.1.1 isn't available for download from the mysql.com site. 4.1.0-alpha is. How would one obtain 4.1.1? Would this work to

Re: MySQL 4.1 replication relay log control

2003-10-11 Thread Paul DuBois
At 13:26 -0500 10/11/03, Christopher L. Everett wrote: Victoria Reznichenko wrote: relay-log-purge is available from 4.1.1. Do you use 4.1.1 or 4.1.0? Is it in the manual because relay-log-purge is available in 4.0.x? Sorry, what? AFAICT, 4.1.1 isn't available for download from the mysql.com

Re: MySQL 4.1 replication relay log control

2003-10-10 Thread Victoria Reznichenko
Christopher L. Everett [EMAIL PROTECTED] wrote: The online manual at http://www.mysql.com/doc/en/Replication_Options.html says that these two variables: max-relay-log-size=# relay-log-purge=0|1 exist to control the size of the relay log. But when I try to start my slave server with:

MySQL 4.1 replication relay log control

2003-10-09 Thread Christopher L. Everett
The online manual at http://www.mysql.com/doc/en/Replication_Options.html says that these two variables: max-relay-log-size=# relay-log-purge=0|1 exist to control the size of the relay log. But when I try to start my slave server with: set-variable = max-relay-log-size=192MB set-variable =

MySQL crash (replication?)

2003-10-02 Thread Partap Davis
Hi folks, I just set up a slave server and it seemed to be working alright, catching up with the new data, and then the server suddenly went away. Looking at the slave's data directory, there are approximately 2 relay-bin files. I can't even restart the server now, because it gets a

Fw: mysql 4.0.14 + replication + windows XP PROF

2003-08-20 Thread I.P.
No one has replied to my post. - Original Message - From: I.P. [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Monday, August 18, 2003 1:01 PM Subject: mysql 4.0.14 + replication + windows XP PROF Hi, it's my story. I have two 4.0.14 mysql server on one machine with win XP

mysql 4.0.14 + replication + windows XP PROF

2003-08-18 Thread I.P.
Hi, it's my story. I have two 4.0.14 mysql server on one machine with win XP Professional polish version. First acts as master: on port 3300 Second acts as slave: on port 3301 below my configuration: ### FOR MASTER # # This will be passed to all mysql clients [client]

Re: MySQL Secure Replication

2003-01-22 Thread Michael T. Babcock
Ivan Hoo wrote: how do you secure the replication link between the master and the slave using SSH. i understand that you can do that over mysql client and its server. pls enlighten me coz i m looking high and low for a solution on this issue. On the slave: ssh --local-forward(?)

Re: MySQL Secure Replication

2003-01-22 Thread Jeremy Zawodny
On Wed, Jan 22, 2003 at 02:27:40PM -0500, Michael T. Babcock wrote: Ivan Hoo wrote: how do you secure the replication link between the master and the slave using SSH. i understand that you can do that over mysql client and its server. pls enlighten me coz i m looking high and low for a

Re: MySQL Secure Replication

2003-01-17 Thread Tonu Samuel
On Fri, 2003-01-17 at 08:51, Ivan Hoo wrote: is there any way you can implement a secure replication via ssh or sth else? Who can implement? As user you can use SSH tunnel with it. There are many tutorial about making SSH tunneling in the internet. I believe if MySQL will have some kind of

Re: MySQL Secure Replication

2003-01-16 Thread Ivan Hoo
there seem to be a lack of documentation on this part. Mostly because it can't be done (that I'm aware of). if it can't be done, why is it in the documentation already. i can understand that if 4.0.x is still in alpha or beta stage. but now it is almost near release (gamma). the official

Re: MySQL Secure Replication

2003-01-16 Thread Tonu Samuel
On Tue, 2003-01-14 at 20:47, Jeremy Zawodny wrote: has anyone been able to setup ssl secure replication for mysql? I don't believe you can do that yet. There's now way to specify the necessary credentials in the slave setup. how do i know whether the replication is actually done over

Re: MySQL Secure Replication

2003-01-16 Thread Paul DuBois
At 23:17 +0800 1/16/03, Ivan Hoo wrote: there seem to be a lack of documentation on this part. Mostly because it can't be done (that I'm aware of). if it can't be done, why is it in the documentation already. i can understand that if 4.0.x is still in alpha or beta stage. but now it is

Re: MySQL Secure Replication

2003-01-16 Thread Ivan Hoo
is there any way you can implement a secure replication via ssh or sth else? regards, ivan At 23:17 +0800 1/16/03, Ivan Hoo wrote: there seem to be a lack of documentation on this part. Mostly because it can't be done (that I'm aware of). if it can't be done, why is it in the

Re: MySQL Secure Replication

2003-01-15 Thread Michael T. Babcock
Jeremy Zawodny wrote: there seem to be a lack of documentation on this part. Mostly because it can't be done (that I'm aware of). Except with stunnel (often recommended) or SSH (which I've had running for months doing this). PS, as with the MySQL daemon, I run my ssh tunnel under

RE: MySQL Secure Replication

2003-01-15 Thread Basil Hussain
Mostly because it can't be done (that I'm aware of). Except with stunnel (often recommended) or SSH (which I've had running for months doing this). Another option is CIPE, a method for secure tunnelling of any IP protocol using virtual network interfaces. I believe CIPE comes as standard with

Re: MySQL Secure Replication

2003-01-15 Thread Jeremy Zawodny
On Wed, Jan 15, 2003 at 09:18:50AM -0500, Michael T. Babcock wrote: Jeremy Zawodny wrote: there seem to be a lack of documentation on this part. Mostly because it can't be done (that I'm aware of). Except with stunnel (often recommended) or SSH (which I've had running for

Re: MySQL Secure Replication

2003-01-15 Thread Jeremy Zawodny
On Wed, Jan 15, 2003 at 04:49:03PM -, Basil Hussain wrote: Mostly because it can't be done (that I'm aware of). Except with stunnel (often recommended) or SSH (which I've had running for months doing this). Another option is CIPE, a method for secure tunnelling of any IP protocol

Re: MySQL Secure Replication

2003-01-15 Thread Ivan Hoo
Except with stunnel (often recommended) or SSH (which I've had running for months doing this). PS, as with the MySQL daemon, I run my ssh tunnel under 'supervise' so as to make sure its always there and restarts if it gets killed / dies / is stupid / upgraded. Right. I should have

Re: MySQL Secure Replication

2003-01-14 Thread Jeremy Zawodny
On Mon, Jan 13, 2003 at 02:46:45PM +0800, Ivan Hoo wrote: hi All, has anyone been able to setup ssl secure replication for mysql? I don't believe you can do that yet. There's now way to specify the necessary credentials in the slave setup. how do i know whether the replication is actually

MySQL Secure Replication

2003-01-12 Thread Ivan Hoo
hi All, has anyone been able to setup ssl secure replication for mysql? how do i know whether the replication is actually done over ssl? there seem to be a lack of documentation on this part. appreciate a lot if someone could provide some feedback on this. i m currently running mysql-4.0.7-gamma

MySQL 3.23.47 Replication - Failed Read

2002-10-12 Thread Khor, TBS Software
Dear Sir/Madam, I have tried the config below, and I successfully see the replicated record in client side but only ONCE. After I have seen the replication works. I continued with my normal transactional work including altering table structure. But later when I checked the replication status.

MySQL Bothway Replication - Fail Back - Hold Master while Slave is Synchronizing.

2002-08-20 Thread johan . vanroose
MySQL Bothway Replication - Fail Back - Hold Master while Slave is Synchronizing. I have the following question: Is it possible to have a slave on machine M1 synchronizing with a master on another machine M2 while the master on the first machine M1 does not accept requests yet (i.e

Re: MySQL 4.0.2 replication circle broken?

2002-08-14 Thread Artem V. Ryabov
Hello all, I was check up 4.0.3 (from the Development Source Tree), bug still exist. Description: aor I use replication circle (A-B, B-A) with 3.23.51 - all ok. aor But I got problem, when upgrade both my servers to 4.0.2. aor Mysqld create 30 new bin-log files every

Re: Mysql database replication

2002-08-14 Thread Gerald Clark
I highly recommend you update the slave to the same version as the master. Mark D. Wallace wrote: I'm trying to set up a replication database and cannot get the slave to parse the log files on the master. The slave is connecting to the master as indicated in the log file. I have tried to

Mysql database replication

2002-08-13 Thread Mark D. Wallace
I'm trying to set up a replication database and cannot get the slave to parse the log files on the master. The slave is connecting to the master as indicated in the log file. I have tried to connect directly to the master database from the mysql client on the slave and have no problem using

MySQL 4.0.2 replication circle broken?

2002-08-12 Thread artem
Description: I use replication circle (A-B, B-A) with 3.23.51 - all ok. But I got problem, when upgrade both my servers to 4.0.2. Mysqld create 30 new bin-log files every second at both servers: --- [www2:/opt/mysql-dev/var]:1303# ls -1

Re: MySQL 4.0.2 replication going bonkers?

2002-07-18 Thread Jeremy Zawodny
On Wed, Jul 17, 2002 at 12:02:08PM +0300, Heikki Tuuri wrote: Jon, replication 4.0.1 - 4.0.2 does not work because the format in the 4.0 series has evolved. Currently, if your master of the 4.0 series, your slave must be of the exact same release. How likely is that to happen again? I

Re: MySQL 4.0.2 replication going bonkers?

2002-07-18 Thread Heikki Tuuri
Jeremy, - Original Message - From: Jeremy Zawodny [EMAIL PROTECTED] To: Heikki Tuuri [EMAIL PROTECTED] Cc: Jon Frisby [EMAIL PROTECTED]; [EMAIL PROTECTED] Sent: Friday, July 19, 2002 7:17 AM Subject: Re: MySQL 4.0.2 replication going bonkers? On Wed, Jul 17, 2002 at 12:02:08PM +0300

Re: MySQL 4.0.2 replication going bonkers?

2002-07-17 Thread Heikki Tuuri
AM Subject: RE: MySQL 4.0.2 replication going bonkers? This seems to have not gotten through... Perhaps the spam filter ate it? (sql, query) -JF -Original Message- From: Jon Frisby [mailto:[EMAIL PROTECTED]] Sent: Monday, July 15, 2002 4:27 PM To: [EMAIL PROTECTED] Subject

MySQL 4.0.2 replication going bonkers?

2002-07-15 Thread Jon Frisby
We recently set up a 4.0.2 slave, which worked fine -- we loaded our data snapshot (taken via mysqldump) and were able to perform complex queries without problems... However, as soon as we tried to get this machine to act as a slave to a 4.0.1 server it crashed. Immediately upon executing SLAVE

RE: MySQL 4.0.2 replication going bonkers?

2002-07-15 Thread Jon Frisby
This seems to have not gotten through... Perhaps the spam filter ate it? (sql, query) -JF -Original Message- From: Jon Frisby [mailto:[EMAIL PROTECTED]] Sent: Monday, July 15, 2002 4:27 PM To: [EMAIL PROTECTED] Subject: MySQL 4.0.2 replication going bonkers? We recently set up

Is mySQL support replication ??

2002-06-24 Thread Alice
Hi, all, May i know is mySQL support replication regards, alice /---\ Confidential and/ or privileged information may be contained in this e-mail and any attachments transmitted with it ('Message'). If you

Re: Is mySQL support replication ??

2002-06-24 Thread Bhavin Vyas
Yes it does. http://www.mysql.com/doc/R/e/Replication_Implementation.html - Original Message - From: Alice [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Monday, June 24, 2002 6:52 PM Subject: Is mySQL support replication ?? Hi, all, May i know is mySQL support replication

MySql Database Replication Question

2002-03-07 Thread Thi Cao
All, How can I notify an application running on the slave server that the slave database has just updated itself by means of replication. The reason I ask is that I know MySql currently doesn't support triggers, but my application needs to be notified when an update on the slave has just taken

Re: MySql Database Replication Question

2002-03-07 Thread Jeremy Zawodny
On Thu, Mar 07, 2002 at 08:37:00AM -0600, Thi Cao wrote: All, How can I notify an application running on the slave server that the slave database has just updated itself by means of replication. The reason I ask is that I know MySql currently doesn't support triggers, but my application

RE: MySql Database Replication Question

2002-03-07 Thread Thi Cao
PROTECTED]] Sent: Thursday, March 07, 2002 10:42 AM To: Thi Cao Cc: MySQL Subject: Re: MySql Database Replication Question On Thu, Mar 07, 2002 at 08:37:00AM -0600, Thi Cao wrote: All, How can I notify an application running on the slave server that the slave database has just updated itself

RE: MySQL Database Replication

2002-03-07 Thread ds
privileges. For example, to create a user named repl which can access your master from any host, you might use this command: GRANT FILE ON *.* TO repl@% IDENTIFIED BY 'password'; Thi Cao wrote: Hello everyone, This is my first attempt at MySQL database replication. Can't seem to get

RE: MySQL Database Replication

2002-03-07 Thread Thi Cao
11:02 AM To: Thi Cao Cc: MySQL Subject: RE: MySQL Database Replication On Wed, 2002-03-06 at 14:26, Thi Cao wrote: When I grant privileges as follows, the slave gets updated: GRANT FILE ON *.* to repl@'%' identified by 'some_password'; Could someone please tell me why I must grant the FILE

RE: MySQL Database Replication

2002-03-07 Thread Luc Foisy
-Original Message- From: Thi Cao [mailto:[EMAIL PROTECTED]] Sent: Thursday, March 07, 2002 12:04 PM To: Thi Cao Cc: MySQL Subject: RE: MySQL Database Replication ds, If I understand you correctly, that also means that the user repl can access the mysql database where all the privilege info

RE: MySQL Database Replication

2002-03-06 Thread Thi Cao
Yes, I did flush the privileges when nothing else worked but that didn't do the trick either. Thanks for trying. -Original Message- From: James Housley [mailto:[EMAIL PROTECTED]] Sent: Tuesday, March 05, 2002 6:00 PM To: Thi Cao Cc: MySQL Subject: Re: MySQL Database Replication Thi

RE: MySQL Database Replication

2002-03-06 Thread Thi Cao
-Original Message- From: James Housley [mailto:[EMAIL PROTECTED]] Sent: Tuesday, March 05, 2002 6:00 PM To: Thi Cao Cc: MySQL Subject: Re: MySQL Database Replication Thi Cao wrote: Hello everyone, This is my first attempt at MySQL database replication. Can't seem to get it to work

MySQL Database Replication

2002-03-05 Thread Thi Cao
Hello everyone, This is my first attempt at MySQL database replication. Can't seem to get it to work yet. The problem reported in the error log of the slave server is as follows: Error reading packet from server: Access denied for user 'repl@slave_host' (Using password: YES) (read_errno 0

Re: MySQL Database Replication

2002-03-05 Thread James Housley
Thi Cao wrote: Hello everyone, This is my first attempt at MySQL database replication. Can't seem to get it to work yet. The problem reported in the error log of the slave server is as follows: Error reading packet from server: Access denied for user 'repl@slave_host' (Using

MySql and replication

2001-11-30 Thread Fabien R.
Hello, I have 2 application running in a master/slave mode. - Application A linked to a database D - Application A' linked to a database D' While A is master, A' is in standby mode and D' replicates D. If a problem occurs on A, A' becomes master and D must replicate D'. 1) Is it possible for

Re: FW: mysql db replication security across the internet

2001-09-06 Thread Ed Carp
Duc Chau ([EMAIL PROTECTED]) writes: Can anyone tell me or point me to documentation on how to securely do database replication over the internet? I need to replicate to machines in datacenters in diffrent states. How feasible is this? Has anyone done it? What are the security concerns

FW: mysql db replication security across the internet

2001-09-05 Thread Duc Chau
Can anyone tell me or point me to documentation on how to securely do database replication over the internet? I need to replicate to machines in datacenters in diffrent states. How feasible is this? Has anyone done it? What are the security concerns with doing this via the net? Thanks

RE: mysql db replication security across the internet

2001-09-05 Thread Duc Chau
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] Sent: Wednesday, September 05, 2001 3:50 PM To: Duc Chau Subject: Re: mysql db replication security across the internet Your message cannot be posted because it appears to be either spam or simply off topic to our

MySQL and replication?

2001-06-22 Thread Daniel Åkerud
Anyone has any experience with mySQL in combination with data replication? Are there products available out there that allows this? Thanks Daniel Åkerud

Re: MySQL Database Replication

2001-05-24 Thread Jeremy Zawodny
On Sat, May 19, 2001 at 01:18:42PM -0500, David Gullett wrote: I have 10 or so MySQL servers in the field, all writing data to a database of the same name. I would like to set up replication from all masters back to a single slave server and have each master write to a different database.

MySQL Database Replication

2001-05-19 Thread David Gullett
I have 10 or so MySQL servers in the field, all writing data to a database of the same name. I would like to set up replication from all masters back to a single slave server and have each master write to a different database. Is there an easy way to do this, short of running multiple instances