MySQL Cluster: Storage node over a slow connection? (1 reply)
I know it's not recommended. I read that part in the documentation. Currently, we have two nodes doing master-master replication over a 10 Mbps leased line, between our company and a Data Co-location...
View ArticleClusterJ: Recovering from ClusterJDatastoreException (2 replies)
Hi, I am using ClusterJ in a java web app and it's working perfectly apart from one issue. If I alter a table's schema or restart the the mysql server I get a...
View ArticleWhat is the best MySql Cluster disk type? (2 replies)
I understand that MySql Cluster's primary data storage is RAM to speed up queries, but regarding the disk, which is the best choice SSD or HDD? Is MySql Cluster like other databases that accesses the...
View ArticleProblem with doing SELECTs on a table (2 replies)
Hi, we have a problem with the SELECT on the MySQL Cluster version 7.1.14b (updates on the same table are fine): ==================================================================== Cluster> select...
View ArticleMemcached 1.6 crash with NDB API to Cluster 7.2.1 (2 replies)
I’m having a problem firing up memcached (1.6) with the ndb_engine.so plug-in… setup/build/commands/errors follow: MySQL Cluster is running, with the ndbmemcache database. RPMs used:...
View ArticleWant to Start MySQL from a registry statement (1 reply)
II Want to Start MySQL cluster from a registry statement!!!!!!! using the Run key so MySQL auto starts. Some sort of start and monitoring program should be around should it not? its just as if this...
View Articlegeo-redundancy - data node concepts and config for adding nodes? (1 reply)
I'm currently using cluster 7.1.14 on centos. I have 1 node group, 2 storage data nodes in my primary datacenter, noofreplicas is 2, standard stuff. Now, i want to add a duo of data nodes (along with...
View ArticleMessage server and sql server 2008 (no replies)
Hi! i am using ozeki message server and sql server 2008,and I want to query my database using a telephone number,so that the database can reply to that telephone number.I am using the following 2...
View Articleerror while loading shared libraries: libmysql-chassis.so.0 (no replies)
I am trying to start a mysql cluster manager on Red Hat Enterprise 6, I get: [root@localhost mcm]# bin/mcmd --bootstrap /root/mcm/libexec/mcmd: error while loading shared libraries:...
View ArticlePerformance Problem (1 reply)
Hi i have a problem with the following query.. SELECT SQL_CALC_FOUND_ROWS STRAIGHT_JOIN * FROM person JOIN person_in_projekt ON(person.id=person_in_projekt.person_id) JOIN firma...
View ArticleVery Basic Questions (2 replies)
Hello, I have used standalone mysql servers for years but now I setup a mysql cluster for load balancing and high availability. I followed a tutorial on the internet and the setup went great. I have 2...
View ArticleMemory Allocation Issue with MySQL Cluster (1 reply)
When i try to set the DataMemory with value greater than 1,4 GB, My Nodes cannot connect to cluster and the managment server shows this messages (error log): Time: Thursday 10 November 2011 - 06:42:15...
View Articlegeo-redundancy and ndb-api (3 replies)
Hi, is it possible to set up bi-directional replication between two clusters when using ndb-api as connection means to cluster?? thanks, oded.
View ArticleUnable to connect mysqld node to cluster (2 replies)
Currently 4 servers 2 data nodes 1 mgmt node 1 mysqld node all running on linux/ubuntu I am able to get the following output from the mgmt node. Connected to Management Server at: localhost:1186...
View Articlestartup data node failed, DBDIH could not allocate memory for TabRecord (1...
It was still failed after: 1. stop all nodes 2. started the management node with --inittial 3. start the first data node with --initial WOPool::init(61, 9) RWPool::init(22, 14) 2011-11-15 19:02:50...
View ArticleLearning resources for MySQL Cluster and High Availability (1 reply)
Hi I am working as DBA on mysql databases. I find it very interesting, and am very excited to learn more features of it. But unfortunately, here in India, there has not been any schedule of MySQL...
View ArticleDatabase setup question (3 replies)
I currently have my cluster up and running. At least according to the ndb_mgm> show command. I am running all nodes on separate servers running ubuntu linux. -- NDB Cluster -- Management Client --...
View ArticleCluster setup -- stil *sigh* (2 replies)
I am attempting to start the cluster. I am (NOW!) running CENTOS to better replicate our production environment. I have 4 servers, all separate boxes. the problem I am seeing is that when I start up...
View ArticleXA Transactions (2 replies)
Can anyone tell me if XA Transactions are supported by the cluster technology? Thanks, Joe
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