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GTID - MySQL's Global Transaction Identifier

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mysql unable to start with semi sync parameter

Im using mysql 5.7 and it has 2 slaves with GTID. I tried to enable semi-sync and I have done with set global variable in mysql prompt. It was running fine. Then I did a restart, after that mysql ...
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21 views

MHA vs Orchestrator

Im going to setup an HA solution. Im planning to use Orchestrator. But seems MHA is also doing well. If anyone already used/using any one these solutions, please suggest me to choose a right one ...
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1answer
27 views

Enable GTID on one node in Percona/Galera

Im having 3 node percona cluster. (5.6) Server ID is enabled on each node but all are different IDs. Binlog and log slave updates are enabled. Now I want to enable GTID on the third node alone. I ...
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21 views

Does MySQL 5.7 support multi-source replication with GTID enabled?

The plan was to retrieve data to one MySQL db and keep replicating from different sources. The problem is all the upstream DBs are base on GTID, since GTID is globally identical, is this even possible ...
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217 views

Should we use slave_pos or current_pos with MariaDB 2 node GTID master-master replication?

We are currently migrating our DB cluster from "traditional" binlog based replication to GTID based one. We use MariaDB 10.1.31 and the topology is pretty straight forward - 2 nodes each is master and ...
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1answer
289 views

How do I turn off MariaDB GTID to revert back to binlog replication?

We have found concerns with GTID on MariaDB related to our multi-tenant MyISAM databases. It sounds like there are problems with temporary table replication so we'd like to revert away from GTID. How ...
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2answers
861 views

SQL_SLAVE_SKIP_COUNTER = 1 fails, setting @@gtid_slave_pos used to skip a given GTID position

I recently broke replication and when I tried to get past the one incorrect transaction. I got the following. MariaDB [(none)]> STOP SLAVE; Query OK, 0 rows affected (0.05 sec) MariaDB [(none)]&...
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1answer
806 views

Should I turn off GTID to fix this error?

Recently, a query has started failing. It is a query in the Magento software core (not a module) that Reindexes Catalog Search. I have receive the following error. Catalog Search Index index ...
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1answer
32 views

Do MySQL GTIDs get created for all transactions or just those that occur after enabling GTIDs?

I have a MySQL database that I'm going to start replicating, and I plan on using GTIDs to do so. The slave will be a brand new virtualized server located overseas. My question is 2-fold: When I ...
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0answers
454 views

mysql 5.7 gtid based replication, Got fatal error 1236 from master when reading data from binary log

That post is not really a question, but I think stackexchange is a good place to keep record of a head scratching try, to get a GTID based replication slave working. Just in case someone hit's the ...
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2answers
451 views

MySQL Still purging binary logs and ignoring expire_logs_days

We are running mysql v5.6.17 and I cannot find if there is something else that is causing the binary logs to be purged other than the following: Adding expire_logs_days to the my.ini (and ...
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109 views

MySql slave thinks that the query didn't run on the master, no helpful error

We have a master-slave replication that was running perfectly until recently. Today i've found the error: Query caused different errors on master and slave. Error on master: message (format)='Size ...
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4answers
1k views

MySQL: Remove bad GTID from GTID Set

MySQL 5.6.35-log (community) How can I remove a incorrectly manually injected GTID from a GTID set without doing a RESET MASTER? STOP SLAVE; SHOW MASTER STATUS; 278bfda1-b93d-11e4-801b-14feb5d284bc:...
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1answer
125 views

changes on multimaster replication and activate GTID

I've been reading a lot about the changes I planned to do to our DB landscape but I need some confirmation or recommendation to be sure the work I'll do goes without causing a disaster. Here is what ...
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1answer
966 views

MySQL GTID error 1236

I am try to reduce machine come to live in production.. MySQL is making bottleneck. What i trying. I update code in one machine and also MySQL restore everything is working fine after this i am making ...
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1answer
3k views

Got fatal error 1236 Slave has more GTIDs than the master has, using the master's SERVER_UUID

We are testing replication using GTID's on two servers running MySQL 5.6. Replication was running fine, but now it is not functioning. When I run show slave status\G on the slave, I get the following ...
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2answers
2k views

mysql gtid_executed and gtid_purged variables

I would like to know where the gtid_executed and gtid_purged variables are stored in the database engine. If these are just runtime variables how exactly are they initialized?
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1answer
4k views

mysql 5.6 gtid replication slave stuck (system lock)?

I have set up 5.6 gtid based replication (on 5.6.26) it seemed to work when I did it, it replicated my random test db over that I created beside normal data. However at some point something must have ...
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0answers
1k views

Replication stops with GTID_NEXT error after creation/drop of memory table in mysql5.6

We have recently upgraded to mysql5.6.25 from mysql5.5.x/mysql5.1.x on our mysql-cluster. Below is a brief snapshot of our architecture. Since we have upgraded and enabled gtid-mode we have been ...
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659 views

How to troubleshoot, find and fix query Percona 5.6 with error “SQLSTATE[HY000]: General error: 1785 When @@GLOBAL.ENFORCE_GTID_CONSISTENCY = 1”

i'm running Magento CMS, and underneath there are 2 physical servers both with Percona Server version: 5.6.23-72.1-log Percona Server (GPL), Release 72.1, Revision 0503478 in Master/Slave with ...
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2answers
2k views

Vague replication error code 2005

2015-04-07 13:49:53 23758 [ERROR] Slave I/O: error connecting to master 'replication'@master-host:3306' - retry-time: 60 retries: 1, Error_code: 2005 This was after attempting to do a change master ...