strange behavior in query (no replies)
Hello, I am observing a strange behavior in a query (mysql-cluster 7.2.4). The following query is extremely slow: select convert_tz(timestamp,'+00:00','+1:00') as timestamp FROM sensor, acid_event...
View Articlemysql cluster on Windows Server 2008r2 (4 replies)
Hi, I tried to configure the cluster mysql on windows and when i running the command to check the status of the cluster I get this result: ndb_mgm> show cluster Configuration ---------------------...
View ArticleMySQL Cluster configuration ISSUE (2 replies)
Hello to everyone, I'm going to setup mySQL Cluster for failover with this configuration: - Number of Datanodes = 2 - Number of replicas = 2 My question is: does this configuration involve that on...
View ArticleMemcached API large row auto_increment size (no replies)
I have the new memcache ndb api to cluster running successfully (everything on version 7.2.4), and will be using the large field extra table to store large rows. This is working remarkably well,...
View ArticleMysql Cluster Manager - bootstrap option, losing data on machine restart (no...
Hello, we are trying to use mysql cluster manager for development using the bootstrap option, but when the machine restarts all data is lost. Here's what I'm doing: 1. start ./bin/mcmd --bootstrap 2....
View ArticleConnecting to cluster using Delphi (1 reply)
I currently have a MySQL server that I connect to via ODBC. I am looking into setting up a cluster. If I have say 2 SQL nodes, and 2 management nodes, when I set up my ODBC I have to specify my server...
View ArticleWhich Filesystem should i use? (1 reply)
Hello, What is the best filesystem for ndbcluster 7.2? Thanks
View ArticleWhat is the equivalent of innodb_lock_wait_timeout variable on MySQL cluster?...
I'm experimenting with locks on NDB to see if it behaves the same as InnoDB. I want to be able to lock a row (with SELECT ... FOR UPDATE) from one session and have other sessions block or not...
View ArticleBLOB not working in mysql cluster 7.2.2 (1 reply)
Hello, I want to store image in database. I am using data type of that column is BLOB. But when i am going to store or retrive image (size of image is 4kb) using memcached get set method it's shows me...
View ArticleAbout Memcached In Cluster 7.2.4 (no replies)
Hello, I need to know if i must compile the memcached engine with mysql cluster binaries or if the memcached egnine is allready included. Can you please give me some answer about this? Because i need...
View Article7.2.4 MySQL Cluster Storage RPM (1 reply)
Hi, I saw that 7.2.4 came out for MySQL Community Edition and I was very excited that it finally implements the mysql authentication replication so that we don't have to keep user/passes in sync...
View ArticleData nodes won't reconnect after 7.1->7.2 upgrade (no replies)
I just upgraded from 7.1.18 to 7.2.4 and my data nodes won't reconnect to the cluster. I shut down the entire cluster, upgraded the managers and started them up, upgraded the data nodes and tried to...
View ArticleCreating Disk & Memory based tables in cluster (no replies)
Hello, I am a newbie to MySQL cluster. We have installed MySQL Cluster version 7.2 on a Xen server. The set up is as follows: ============== Cluster Setup ============== - 4 Virtual machines created...
View ArticleHow to make 2 sql node replicated ? (no replies)
Dear all, I have a cluster with , 2 data nodes 2 sql nodes (server B & Server c) 1 management nodes. I found that, creating any table on any of the database on one of the sql nodes (Server B or...
View Articlegetting ERROR when starting memcached service (no replies)
hi i am working on memcached implementain of NoSQL access to mysql cluster 7.2 i am installed libmemcached and memcached 1.6 version.. but when starting the memcached i am faceing error...
View ArticleVery slow inserts rate with two concurrent connections (1 reply)
I just setup my first mysql cluster. It has three data nodes and three mysqld nodes running on three servers. Each server runs data and mysqld pair. I test it with simple java application that makes...
View ArticleProblem adding new MySQL node to a cluster. (no replies)
Hello, I am basically trying to implement "Consolidated User Privileges". We have the following cluster set on a Xen server: one Management two data nodes one MySQL node I added another MySQL node as...
View ArticleForce engine type (2 replies)
Is there any way to force the table engine type? I want the engine to automaticly default to ndbcluster, regardless of engine specified.
View ArticleLimitation on index memory usage ? (2 replies)
In the mysql documentation (http://dev.mysql.com/doc/refman/5.5/en/mysql-cluster-ndbd-definition.html for 5.1 or http://dev.mysql.com/doc/refman/5.5/en/mysql-cluster-ndbd-definition.html for 5.5,...
View ArticleNDB cluster failure (1 reply)
We have ndb cluster setup in which we have replication from Prod to DR.But we are facing a constant problem of cluster failure and after that replication breaks. According to our investigation,it...
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