[Err] 1296 - Got error 4008 'Receive from NDB failed' from NDBCLUSTER (no...
I used mysql-cluster-advanced-7.4.6-linux-glibc2.5-x86_64.tar.gz on my Linux (OS:redhat 6),There are 2 mgm nodes,4 data nodes and 4 sql nodes. BTY,the sql node and the data node are on the same...
View ArticleHow to read the running parameter value for MaxNoOfConcurrentOperations and...
We are running MySQL ndbcluster (Server version: 5.6.15-ndb-7.3.4-cluster). While running update queries, we were repeatedly receiving the following error: Got temporary error 233 'Out of operation...
View ArticleMySQL Cluster NDB API Events Node Failure (no replies)
After sifting through the NDB API Events documentation and class comments, I came across this comment in ndbapi_event.h: // - If a node failure has occured not all events will be recieved anymore....
View Articlemysql cluster failure - Error while reading the REDO log (no replies)
Hi all, I'm having a headache giving problem with a mysql cluster running 5.0.19 on Debian 7 x64. Current: -- NDB Cluster -- Management Client -- ndb_mgm> show Connected to Management Server at:...
View ArticleCluster Configuration (1 reply)
I want to have a cluster with 4 management nodes and 4 data nodes. For starters I am using 2 management nodes and 2 data nodes. I am on a Windows Server 2008 R2 Enterprise SP1. The config.ini file on...
View Articlerisen mysql API load after Cluster Update (no replies)
we recently updated from 7.1.23 to 7.3.7 This came with an update from mysql 5.1.x to 5.6.x Since then, we see a 20% higher load on the servers, where our applications are installed in combination...
View ArticleStored Procedure Replication in MySQL cluster (1 reply)
Hi, How can I replicate Stored Procedures within a MySQL cluster, by default they do not replicate. I have searched for hours trying to find a solution, if anyone can help or point me in the right...
View ArticlePushing query execution to DataNode (no replies)
I'm trying to run the following query in MySQL Cluster: select * from ( select a.*, @row_num := if (@curr_score = score, @row_num + 1, 1) as rn, @curr_score := score from score_result a order by...
View ArticleNDB/memcached serialization syntax for multi columns keys and values (no...
I used directly memcached on a project running a Tomcat server. I used spymemecached.jar for setting and getting values from my Java application. My values were in fact binary values representing the...
View ArticleMySQL Command Timeout 1 second takes 6 seconds to timeout (no replies)
Hi, We are working on a production environment running MySQL cluster 5.6.15-ndb-7.3.4-cluster; and the client application (VB.Net) connects to the cluster using MySQL .Net Connector 6.9.4. The...
View ArticleHow to calculate MaxNoOfAttributes (no replies)
I've been trying to set up a minimal cluster to simply test the installation and setup of a set of databases. The cluster is all on one server and consists of a Management node, SQL node, API node,...
View Articletable not stored on disk when "alter table" command doesn't specify storage...
If I move an empty NDB table from memory to disk with the following command, and then insert rows, the rows end up in memory instead of disk: alter table test tablespace ts_1 storage disk; However, if...
View ArticleTrouble installing cluster on Redhat Ent (no replies)
using RHEL 6 with mysql 5.1.73. tried to install mysql cluster 7.1.34 via rpm. get message "mysql conflicts with MySQL-Cluster-gpl-server...". Anyone know what version of mysql cluster should be...
View ArticleMySQL Clusters - Case study. (no replies)
i have a database with two tables, each having around 250 million rows, and disk usage of ~200 GB. These two tables are InnoDB and used for transactional operations. Each of these tables can be easily...
View Articleall datanodes was (2 replies)
Hi, last weekend both of our two datanodes had an crash. Can someone please give me a hint why this problem has occurred?! thx log from mgm node 2015-08-08 09:01:28 [MgmtSrvr] ALERT -- Node 1: Node 2...
View ArticleCMake Error When compiler MySQL Cluster-7.3.6 from source code (1 reply)
I compiler MySQL Cluster using source code on Debian GNU/Linux 6.0 with CMake Options : -DCMAKE_INSTALL_PREFIX=/usr/local/mysql -DMYSQL_UNIX_ADDR=/tmp/mysql-cluster.sock -DMYSQL_DATADIR=/data/ndbdata...
View ArticleMySQL Cluster, which is the edition for a production environment. (1 reply)
I require riding an application to work on MySQL Cluster,. What is the issue that I need to install for a production environment.? Thanks for your help
View ArticleUnable to start cluster (3 replies)
I am trying to set-up MySQL Cluster 7.4.7 on 2 Ubuntu 14.04 machines with below configuration: Machine 1 ------- Management node 1 Sql node 2 Data node 2 API node 2 Machine 2 ------- Sql node 1 Data...
View ArticleStart mysql when installing cluster (2 replies)
I finally install mysql cluster on two servers and got them running: [ndbd(NDB)] 2 node(s) id=2 @xx.xx.xx.xxx (mysql-5.6.25 ndb-7.4.7, Nodegroup: 0, *) id=3 @yy.yyy.yyy.yyy (mysql-5.6.25 ndb-7.4.7,...
View ArticleLock wait timeout exceeded; try restarting transaction - Multi thread...
MySQL server: 5.6.15 MySQL Cluster: 7.3.4 Running production multi-threaded application, with optimized queries - intermittently receiving "Lock wait timeout exceeded; try restarting transaction". The...
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