mysqld Zombies after moving tablespace to disk (3 replies)
I have a 2 data/mysqld node cluster with 1 fairly good sized database (4 gb). I recently move one of the larges tables to disk tablespace as it's memory usage on the data nodes was growing...
View ArticleInstallation - Executing mysql_install_db doesn't seem to prepare db...
I compiled from source with the options see below. No errors... When running mysql_install_db, I get the following output: <---- Installing MySQL system tables... OK Filling help tables... OK To...
View Articlemysql cluster automatic shutdown/startup scripts when rebooting (2 replies)
Hi, I have a cluster running on a few hosts. Where can I find reference on how to create cluster automatic shutdown/startup scripts for machine rebooting so the scripts will shut down / start up those...
View ArticleCluster Data Memory Size Issue - Unmatch Size (2 replies)
Hi all, Recently I notice my current cluster data memory size is growing. But when I perform checking size for each table (show table status), they don't really match the size that the data memory...
View ArticleDisk failure on Data Node (1 reply)
I have a 2 data node cluster. Can someone tell me the exact procedure for bringing a data node back online after a disk failure and replacement of the drive that used to hold the file system for the...
View ArticleForce shutdown to all storage nodes, when the internet connection for one of...
Hello, I need 99,9% uptime for my web application and I think to use MySQL Cluster, but here is the problem. This is my cluster architecture: Switch #1 Management node (mgmd) - 192.168.0.203 Storage...
View Articlendb_restore (no replies)
I am looking for some best practices and clarification on the process involved in using ndb_restore. First, the manual says to remove all files from the datadir. On my system that would include the...
View ArticleUrgent ..Load_file in mysql (no replies)
i wish to store an xml file in my mysql database xml and table xmldocs. when i gave INSERT INTO xmldocs VALUES (1000, LOAD_FILE('/root/NetBeansProjects/xmlProj/india.xml'), 'facts about India'); Error...
View ArticleNode reconnecting (no replies)
Hello Since last few months i have problem with random reconnecting nodes in cluster. Does anyone know how to resolve this problem or how to debug it ? 2011-01-24 15:16:51 [MgmtSrvr] ALERT -- Node 2:...
View ArticleError on rename of '...' to '...' (errno: 708) + errno 140 (2 replies)
hello community, im new to this topic and now my work stuck because i dont understand the actual problem wahr i want to do: set up a cluster environment consisting of 2 PCs, each running a mgmd, ndbd...
View ArticleMySQL Cluster & Hardware Clustering (1 reply)
My company is close to purchasing MySQL Cluster product. We are a SQL Server/Windows shop and use Windows clustering where we can do do high availability by building multi-node clusters and have SQL...
View ArticleThe much more of the specification of the change of mysql cluster. (no replies)
I am always indebted. Mysql cluster is constructed with the following compositions now. The total and mysqld(API) × 4 and ndb_mgmd(MGM) × 2 and ndbd(NDB) × It constructs it with two. The first machine...
View Articlendb_cluster_connection_pool status variable value too high (1 reply)
Hi All, please help me. I am using mysql cluster 7.1.9 with 2 mysqld and 2 ndbds and 1 ndb_mgm node. in my my.cnf file i have below entries :- ndb-cluster-connection-pool=4 ndbcluster but when...
View Article.spec question (no replies)
I have one small question to ask developers. Can .spec files for RPM building under CentOS/RHEL be posted in the .tar.gz (or nearby, on the same FTP server) source release of MySQL Cluster please?...
View ArticleMove Database to a mounted drive in linux (no replies)
Hi, My requirement is to create a large DB, so I am trying to move the DB from default location to mounted drive(LUN) which has enough space. After copying the db files to new location and making...
View ArticleWhere is the data stored (1 reply)
Hi All, I am new to mysql cluster, recently I started to work on Mysql Cluster 7.1 I have few queries listed below, Once we create the database using SQL node, will the data be automatically available...
View ArticleMysql Cluster 7.1 -- How to verify the data nodes and data? (5 replies)
Hello, I am new to mysql cluster, I am trying to understand the concepts with some hands on, below is the POC setup I have created 2 data node 1 SQL node 1 MGM node SQL node and 1 data node are on the...
View ArticleData nodes alway shutdown, unable to startup (2 replies)
Hi, I have a cluster with 2 data nodes plus a management node and it works for initialization but not for time to import data, migration engine from MyISAM to NDB and some time during cluster running....
View Articleget Configuration change failed! when I add data node more than 2 (2 replies)
Hi All, I am new to mysql cluster, recently I started to work on Mysql Cluster 7.1 . I have a problem if I configure the config.ini for add data node, 2 data node is normal , once I add data node .....
View ArticleMySQL not automatically connecting to cluster after reboot (3 replies)
Hello! I am having an issue with a functional cluster with 2 management nodes, 2 data nodes and 16 mysql nodes. When I reboot one of the servers associated with one half of the cluster (1 data node...
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