error 293 Inconsistent trigger state in TC block (no replies)
Hi, I'm trying to run some tests with our mysql NDB cluster and we initially got some of the following errors: Got temporary error 221 'Too many concurrently fired triggers (increase...
View ArticleNDB Checkpoints and research on In-Memory Databases (no replies)
http://mikaelronstrom.blogspot.com/2018/03/discovering-rows-that-have-been-updated.html http://mikaelronstrom.blogspot.com/2018/03/partial-lcps-and-read-only-tables.html...
View ArticleNDB Cluster and disk columns (no replies)
http://mikaelronstrom.blogspot.com/2018/03/ndb-cluster-and-disk-columns.html
View ArticleData node forced to shutdown on restart. Caused by error 2341 (no replies)
Hello everyone, I have been running into this problem since yesterday, and somehow I just can't seem to get it to work. Config: I setup a total of 4 hosts where there are 2xData Nodes, and 2xMgmt...
View ArticleMySQL NDB Cluster Backups (no replies)
http://mysql.wisborg.dk/2018/03/31/mysql-ndb-cluster-backups/
View ArticleMySql Cluster Sql Node and MySql Router (no replies)
What's the best way in MySql Cluster configuration to address client application to a specific Sql node and handling failover too ? Is it possible using MySql Router or MySql Proxy ?
View ArticleNDB Nodegroup questions (no replies)
Good day, Today I was tasked with adding Datanodes to an existing cluster. Our current setup is 4 Datanodes, Nodes 1,2 and in Nodegroup 0, Nodes 3,4 in Nodegroup 1. With NoOfReplicas=2 [ndbd(NDB)] 4...
View ArticleSplit NDB data node sync (no replies)
Dear Experts, We have a NDB cluster with below setup Site A SQL & MGM node on Server-A-1 Data node on Server-A-2 Site B Data node on Server-B-1 Question: Above setup is live and the applications...
View ArticleGraphical tool for MySQL Cluster (no replies)
What's the best way to administer a MySQL Cluster in a graphical way ? Start and stop nodes, Backup and so on MySQL Enterprise Monitor seems just useful for monitoring MySQL Workbench seems not a good...
View ArticleWhich .deb package provides `ndb_mgm` ? (no replies)
Hi All, I would like to install ndb_mgm from the APT repository. I installed the `mysql-apt-config.deb` package, and selected "MySQL Server & Cluster -> mysql-cluster-7.6" I can install...
View ArticleLinux configuration for MySQL Cluster (no replies)
http://mikaelronstrom.blogspot.com/2018/05/linux-configuration-for-mysql-cluster.html
View ArticleCluster SQL Nodes Not connecting (no replies)
Setup: CentOS7 / Mgmt: .140, SQL1: .141, SQL2: .142, Data1: .143, Data2: .144 IPv6 Disabled / SELINUX=disabled / Firewall 3306 & 1186 open on all. Cluster ver: 5.7.10 Mgmt: ndb_mgm> SHOW...
View Articlendb cluster 7.5 incremental backup (no replies)
Hi all, may I ask the ndb cluster 7.5 whether support incremental backup, beside to test full backup restore, I'd like to test PITR I cannot find any binary log from that, even two...
View ArticleHit the "rare bug" again - LCP stopped... (no replies)
Hi Mikael, we hit the - as you called it - rare bug again from here https://forums.mysql.com/read.php?25,661125,662677#msg-662677 After fiddling around since Saturday morning with the cluster and...
View ArticleWe use ndbd at data node(single thread mode), but found 34 threads of ndbd...
We use ndbd (not ndbtmd) at data node, but found 34 threads of ndbd. I think ndbd is a single thread process, why there are so threads of ndbd? So there is no need to change ndbd to ndbtmd? ps -eT |...
View Articlendb cluster 7.5 mysqld.log Warning (no replies)
Please help to solve the following warning. search google but not any solution, do u have any idea, many thx. mysqld.log 2018-05-24T16:18:54.936886+08:00 0 [Warning] NDB: server id set to zero -...
View Articlendb cluster 7.5 monitor from Nagios (no replies)
May I ask how to monitor sql node in NDB cluster or any suggestion? https://labs.consol.de/assets/downloads/nagios/check_mysql_health-3.0.0.5.tar.gz When I install the DEPENDENCIES (yum install...
View ArticleNDB datanode behavior (no replies)
We have two data node NDB cluster. If a data node loses connections to all other NDB cluster nodes - other data node, management node and sql node Can the orphan data node be configured/allowed to run...
View ArticleERROR 1114 (HY000): The table '#sql-78b5_1a9' is full (no replies)
My NDB Cluster Server version is 5.6.31-ndb-7.4.12-cluster-gpl MySQL Cluster Community Server (GPL) When I tried to change a table's engine from InnoDB to NDBCluster it gives Table is full error as...
View ArticleMySQL NDB Cluster 7.6: GA and Benchmarks (no replies)
https://mysqlhighavailability.com/mysql-cluster-7-6-is-ga/ http://mikaelronstrom.blogspot.com/2018/06/mysql-cluster-76-in-numbers.html
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