Another one Table is full, while DataMemory is still only 10% full (4 replies)
Hi, Can anybody help us with the following problem. We use mysql cluster only to have our tables in memory. We have a table which contains about 60M rows (about 2 GB for data, 1.5 GB for indexes when...
View Articlemysql cluster on WAn (2 replies)
is mysql clustering is possible on WAN? i m implementing mysql clustering on Wan 1)1 Mgmt node 2)2 Data node 3)2 sql node My sql node is not getting connected but data node got connected?
View ArticleTables became read only when data node went down (1 reply)
Looks like one data node went down, while the other was up and caused the API to open tables read only? 100908 15:19:32 [ERROR] Got error 4028 when reading table './schema/table' 100908 15:19:32...
View ArticleSetup a ndb cluster in an existing environment (no replies)
Hi all, As said in the subject, I need to setup a ndb cluster while keeping the existing database. I found many tutorials to create a ndb cluster in a new environment so i think i have the basics but...
View ArticleExperiments with mysql cluster (1 reply)
Hello everyone, These days I just begin research on parallel database, I guess mysql cluster is a good start. I have installed mysql cluster. But I wondered how can I do experiments with it? I want to...
View ArticleOption to prevent LOST_EVENTS from being generated on SQL node restart (2...
Bug 47096 fixed the problem of LOST_EVENTS not being generated on an restart of an SQL node operating as the master. Now that it's being generated properly, is there a way to optionally prevent the...
View ArticleWhat if RAM is full (no replies)
Hi, I am new for mysql cluster. I am having an application in which data will grows up to 2 TB. I want to use mysql cluster with 4 data nodes and 2 replica, but having some doubt: 1. Does mysql...
View ArticleCluster deployment architecture (2 replies)
Hi All, i'm starting to use MySQL Cluster for a customer and I have a "simply" question. In few words, I have 4 different hosts with the same characteristics (cpu, memory, disks) and i'm trying to...
View Articleauto_increment with primary key not working right (2 replies)
Greetings forum , I have a mysql cluster with 2 data nodes (seperate boxes) in nodegroup0. I create a table within a database with the following structure : CREATE TABLE `some-products` (...
View ArticleSysBench: MySQL Cluster vs Memory Engine (1 reply)
How to speed up Sysbench on MySQL Cluster by 14x http://mikaelronstrom.blogspot.com/2010/09/how-to-speed-up-sysbench-on-mysql.html How to get Sysbench on Memory engine to perform...
View ArticleMySQL Cluster and MySQL Enterprise Server (2 replies)
Hi All, can anyone explain me the relationship between MySQL Cluster and MySQL Enterprise Server ? I downloaded the trial of MySQL Enterprise server but there is not MySQL Cluster. Does it mean that...
View ArticleFree space in tablespace files (1 reply)
Hi. Anyone can tell me how to see how many space is in tablespace files?
View ArticleMySQL nodes not starting. Caused by error 2301. (3 replies)
Hello, I am trying to setup a 2 node Cluster with 1 Cluster Manager. I am running MySQL 5.1.50. When I run the ndbd on either of my Node, I get this error on Cluster Manager server: "Node 2: Forced...
View Articlemysql cluster with disk data storage (4 replies)
Hi, We recently installed mysql cluster using disk data storage. We create log file group and 3 tablespaces each 4GB space like this: mysql> CREATE LOGFILE GROUP LG_TRANSFER_FREE -> ADD UNDOFILE...
View ArticleMySQL Cluster low performance issues (5 replies)
We're testing the performance of our following MySQL Cluster setup with apache benchmark: 1 management node (12gb ram, i7 quadcore 2.88ghz each core, 2x 1500gb hdd) 4 mysql nodes (12gb ram, i7...
View ArticleCluster vs Replication vs Both - Advice needed (1 reply)
Hi All, Please excuse my newbee status. We have a web application currently running on a standard LAMP setup. The application is basically a questionnaire. I need to place additional servers in...
View ArticleCould not alloc node id (2 replies)
I`m trying to use ndb_desc but it gaves me this error: [root@s214 bin]# ndb_desc -c localhost transfer_ro_s3 -d sent -p Configuration error: Error : Could not alloc node id at localhost port 1186: No...
View ArticleMany "mysql_query(): Unable to save result set in..." errors with...
I'm trying to stress-test an Apache/PHP -> Cluster setup and for some reason I'm getting many "mysql_query(): Unable to save result set in" errors with many (i.e, usually > 250) concurrent...
View ArticleMySQL Cluster Backup on only one server (1 reply)
Hi, How can we make the backup of the cluster to be only on one server not in every node so when we do ndb_restore, restore to be executed from only one server not on every node to execute...
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