Failed to get s session to MySQL cluster (no replies)
Hi experts, I'm new to MySQL, I want to use ClusterJ to access database in MySQL cluster. I got the following error when I tried to get a session from cluster: Exception in thread "main"...
View ArticleFailed to persist object through ClusterJPA (no replies)
I tried to persist a simple object into MySQL cluster DB through ClusterJPA following the instructions at http://planet.mysql.com/entry/?id=24140 I got following error when trying to persist the...
View Articlehow to build openjpa jar from source (no replies)
I want to build mysql cluster from source and generate cluserJPA jar file. The http://dev.mysql.com/doc/ndbapi/en/mccj-getting.html says that I need to set the configure options --with-plugin to...
View ArticleNot able to run mutiple memcached instance (no replies)
Hi, We are trying to implementing Sessions using MySQL Cluster + memcached For this we have setup mysql cluster with one cluster management node + two database Nodes + two application server. But when...
View ArticleEstablish SSL in MySQL Cluster (1 reply)
I am an Oracle professional who just inherited a MySQL Cluster database and know nothing about MySQL or cluster databases. I need to establish encryption communication on this MySQl databases. I have...
View Article'Cluster Failure' from NDB. Could not acquire global schema lock (5 replies)
Hi all, I'm new to MySQL Cluster and started evaluating MySQL Cluster Solution. I'm using 2 datanodes, 1 SQL Node and 1 API nodes for MySQL Cluster setup. Data Node and SQL configuration:...
View ArticleUpdate records based on QueryBuilder result set for ClusterJ (no replies)
I am willing to implement a batch update feature by using QueryBuilder to get a result set from database, then change the in the result set and update to database again. However, I get null exception...
View ArticleClusterJ session creation slows down a lot having a large number of sessions...
We are developing a back end application which is supposed to handle a large number of RPC calls, each of them issueing a transaction to MySQL Cluster through the ClusterJ API. We would like to be...
View ArticleData node stuck in phase 4 with error code (no replies)
Hi, I think I need some help to restart my data nodes in cluster. I have a cluster with 4 data nodes and hundreds of millions record inserted. But somehow I couldn't successfully start the cluster now...
View Articlecan a 1TB database use Mysql Cluster in Production ? (no replies)
I have a production database with 1TB data using mysql 5.5 now. I'm planning to deploy Mysql Cluster to replace the current master-slave Mysql servers. Now the database has lots of read/write ,about...
View ArticleData Node sync Problem. (no replies)
Hello, We have 6 individual cantos 64 BIT virtual machines on XEN Server. We are able to create table. But, when we are trying to insert data in this table we showing only process is running long...
View Articlecreating mysql cluster - DLL load failed (1 reply)
I am attempting to create my first mySql cluster. when i run the setup.bat and define the other host in the cluster and click next. I get the error: the page at localhost:8081 says: host...
View ArticleMysql Cluster , Partitioning , Shreds, Replication , Fabric (no replies)
Hi, Is Mysql Cluster is Partitioning or Replication or both, when we say Partitioning is mean manual Partitioning ? and Cluster do this job on auto basis ? Is cluster also use Replication (Master...
View ArticleMySql Cluster - How many data files required and what should be size of each...
What is ideal configuration of data files for 1 TB data for disk based mysql cluster set up? 1. How many data files needed? 2. What should be the size of each data file? Thanks, Noghan
View Articlemysql cluster server 2012 - deploying configuration. (no replies)
Trying to deploy configuration on mySql cluster (server 2012) (mysql-cluster-gpl-7.3.6-winx64) When I click deploy its gets to about 17% and errors with: Unable to append file C:/Program...
View Articleorder by timestamp column with fractional seconds giving incorrect results ?...
hi all. is there any known occurrence of order by giving incorrect order while using order by timestamp with precision (fractional seconds) ? its a mystery for us still, we have added app logging to...
View Article[ERROR] Transaction not registered for MySQL 2PC, but transaction is active...
Does anyone know what the following error message means - "[ERROR] Transaction not registered for MySQL 2PC, but transaction is active" I'm actually using Percona XtraDB Cluster, but I haven't got any...
View ArticleCommon Table (no replies)
Is there an ability to mark tables as common to make them exist on all data nodes? I have small tables that will be joined on commonly and it would be helpful to have those tables on every data node....
View ArticleQuery faster 10 times when stop on data node (1 reply)
When stop a data node, keep only one running, my query faster 10X. when two data node running, my query take 10 sec, when I stop 1 data node, this query only take 0.3 sec Can anyone explain this?...
View Articlemysql cluster with loadbalancing (1 reply)
dear community, i have the following problem: i have a big traffic Website. this runs currently on the newsest Debian Version, with the mysql-server 5.5. first Server is a webserver (load: 40%) second...
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