problem configuring mysql cluster (no replies)
Hello! I am trying to configure a mysql cluster in CentOS but i had some issues I dont know how to solve and I would really appreciate some help. The mysql cluster environment: DB1 - 192.168.50.101 -...
View ArticleToo many NDB objects (2 replies)
Hi all, I'm trying to find out the limits of my NDB setup, so I've created this simple code: import java.util.Properties; import java.util.concurrent.ExecutorService; import...
View ArticleMysql Cluster 7.2.10 NDB Replication not working (no replies)
Hi Everyone, We are trying to setup master to master cluster replication two clusters; master cluster is currently in production with 4 Data nodes and 2 mysql access nodes we are following the doco...
View ArticleMySQL Server thread stucks while running batch of operations (no replies)
Hello All, I am getting MySQL Server's thread stuck (frequently sometimes for 10 sec) while running a batch file of stored procedure having multiple delete queries on ndb tables. I am using MySQL...
View Articlechanging config on running nodes (1 reply)
Hi. I've skimmed through your different slides but I need confirmation about how to change some config parameters in config.ini and/or my.cnf (except nbofreplicas and new node) without stopping the...
View ArticleHelp choosing hard drives (no replies)
I'm a sysadmin and not a DBA. Learning the ropes, etc. Please explain something if I clearly missed it. Anyways, I am building a mysql cluster and going to use percona xtradb cluster. I have 3 systems...
View ArticleToo many contention logs (send lock and jbalock) (no replies)
Hi All, I have a cluster with 2 Datanodes + 2 Mgmd Nodes (Sql co-hosted) + 2 Api nodes. When i run a benchmark for testing primary key reads, using 32/64/128 threads generating 512K transactions with...
View ArticleNDB Binlog: logging of table new_table_name with BLOB attribute and no PK is...
Hi, When I use query as following to create the table: create table new_table_name engine=ndbcluster DEFAULT CHARSET=utf8 TABLESPACE ts_tatooine STORAGE DISK SELECT * FROM old_table_name where colums...
View ArticleReorganize Partition results in ERROR 1114 (HY000): The table is full (1 reply)
Running (mysql-5.5.25 ndb-7.2.7 I added 2 new nodes for a total of 12 nodes and then attempted to reorganize the partition to an existing table using the following SQL: ALTER ONLINE TABLE...
View Article[MgmtSrvr] WARNING -- Failed to allocate nodeid for API at 10.142.254.41....
Dear All, I am trying to configure mysql cluster 7.2.10 on two amazon suse servers [10.142.254.41, 10.142.247.103].Following are the configuration files ... config.ini [10.142.254.41] [NDBD DEFAULT]...
View ArticleWindows Service Management Node wont start (1 reply)
I'm trying to set up a basic Cluster on my Win7 PC for testing. But I am stuck at the first hurdle. I have installed the Management Node as a Service: C:\MySQLCluster\ManagementNode1\bin\ndb_mgmd.exe...
View Article'Scan take over error, restart scan transaction' from NDBCLUSTER (no replies)
After upgrading from 5.5.25-ndb-7.2.7-cluster-gpl to new version 5.5.29-ndb-7.2.10-cluster-gpl, we try to reorganize the existing tables from 4 data nodes to 6 data nodes using: ALTER ONLINE TABLES...
View ArticleDataMemory usage dose not decrease after REORGANIZE PARTITION (no replies)
Hi, Before using the version mysql-5.5.25 ndb-7.2.7, when I used: ALTER TABLE table_name REORGANIZE PARTITION; to reorganize a big table with 10,000,000 lines from 2 data nodes to 4 , I have similar...
View ArticleClusterJ recover from cluster being down (1 reply)
Hello, What is the best practice to reset cluster connections in a running web application after the NDB cluster was restarted? It looks like SessionFactory caches connections to the cluster and never...
View Article2x Server 2008 R2 + MySQL Cluster (1 reply)
Dear, I got a little (maybe big) problem . I've got a school project where i have to setup 2 webservers in failover cluster with an external storage for the hosted data (using Freenas 8) I'm currently...
View ArticleError 1506: Foreign key clause (no replies)
Hi All, I am getting following error message while trying to create foreign key relation in mysql cluster. I am using "mysql-cluster-gpl-7.3.0-linux2.6-x86_64" mysql cluster. Error 1506: Foreign key...
View ArticleRussian translation of the MySql Cluster (no replies)
Russian translation of the MySql Cluster manual you can find at this link: http://www.programmer-blog.org (Русский перевод ресурса по MySql NDB кластеру (NDBCLUSTER) вы сможете найти по указанной...
View ArticlePerform an Initial Restart (no replies)
I'm sure there is a simple solution (so sorry in advance). I have installed a Cluster for testing purposes on my PC (Windows 7 - 64bit). It has: 2 x Management Nodes (ID's 1, 2) 2 x Data Nodes (ID's...
View ArticleClusterJ and multiple management nodes (1 reply)
In the MySQL cluster documentation there is a recommendation to have multiple management nodes (http://dev.mysql.com/doc/refman/5.1/en/mysql-cluster-basics.html). The question is how to configure the...
View ArticleConnecting to Cluster (no replies)
Hello, Running MySQL Cluster 7.2.10 on ubuntu 12.04 in Amazon. Trying to connect with Java oracle jdk 1.7 on Windows 7. I built a cluster and would like to connect to it. Successfully connected using...
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