Feedback about MySQL Cluster in production environment (no replies)
Hello, I am currently evaluating MySQL Cluster, and I'm somewhat suprised by the feeble number of entries returned when googling for keywords such as "MySQL Cluster in production" or "MySQL Cluster...
View ArticleSlow Cluster [ Issue ] (no replies)
Hi , I have created using 3 VMs with configuration like 12 GB RAM , 2 Core and 200 HDD. After testing 10000 records insert and update. I found its very slow like taking 8 min to insert and 5 min to...
View Articlefind the bottleneck if any in the mysqlcluster (no replies)
find the bottleneck on mysqlcluster or apache/php I have setup a mysql cluster 7.3.x with 2 Datanodes,2 SQL nodes and 1 Management Node in a LXD/LXC centos 6.7 containers and a separate Apache...
View ArticleWildly different AUTO_INCREMENT values in the same table (1 reply)
Hello, We recently installed a MySQL Cluster to use in our brand-new high-availabily infrastructure, and soon after we noticed a very strange behavior regarding the auto increment index of a certain...
View ArticleDISKLESS TOO BAD PERFORMANCE (no replies)
Hi Gurus, have anyone idea why InnoDB perform much faster then NDB within single server (single node) ? simple table, for 3000000 rows (ID, COL1, COL2) when I do: UPDATE TEST SET COL1=1; its took 6ms...
View Articlendbmtd not using all CPUs (no replies)
I've recently migrated to Mysql Cluster, and I'm confused regarding the behavior of ndbmtd. According to my understanding of the documentation, setting...
View ArticleA question about sendSinal() function (1 reply)
Hey guys, I was reviewing the source code of DbtcMain.cpp and encountered function calls like: send(cownref,GSN_CONTINUEB,sinal,3,JBB). Strangely, this function is not declared in any header file...
View ArticleHow to restore mysql cluster backup file into another environment? (no replies)
Hi, all I have a question regarding how to restore backup file into another MySQL cluster environment. The mysql cluster backup files contain .ctl,.data,.log file, with backup id and node id...
View ArticleSending data slow in NDB cluster compared to Innodb (no replies)
Hi All, We are running two parallel environments. One with InnoDB & NBD cluster. Both these environments are running on Azure. Here are the details of NDB cluster. MySQL NDB Version: 7.4.10...
View ArticleIssues in MySQL Cluster Replication lost some record when restart SLAVE...
Hi ALL Our system have 4 server running Mysql Cluster, and 1 server running mysql slave replicating with 1 Mysql API node. Daily in maintenance time we stop SLAVE SQL_THREAD to backup database and...
View ArticleA question about the source code for the developers (2 replies)
Hi,I am currently reviewing the source code of DblqhMain.cpp and have found the following piece of code that I don't understand: if (seqNoReplica == 0 || activeCreat == Fragrecord::AC_NR_COPY) {...
View ArticleMysql Auto Installer on centos 6.7 bug (1 reply)
Running MySQL Cluster GPL 7.4 on Centos Minimal 6.7 64bit with all the latest patches. During the install of the cluster I received an error when the install was trying to start mysql. TIMESTAMP with...
View Articlewho can tell me what is the biggest size data that mysql-cluster can store by...
who can tell me what is the biggest size data that mysql-cluster can store by NDB engine without losting its auto-sharding and auto partitioning and other functions?
View ArticleA question about remote connection via ndb api to mgm (5 replies)
Hi: I'm trying to create a ndb api utility on c for loading records into ndb tables as "load data in file". We haven't got any experience on ndb api libraries. we have started with this simple connect...
View ArticleWhile changing engine to ndbcluster there is an error The Table is Full (3...
Hi I have got 2 NDB(8G Ram, 250GB HDD), 2 API(8G Ram, 40 GB HDD), 2 MGMT(4 GB RAM, 40 GB HDD) nodes. There is a database called "ozd" it has 343 tables. I have changed 48 tables engine to ndbcluster...
View ArticleERROR: Error 1114: The table 'ozdmdl_block_xp_config' is full (1 reply)
I am using MySQL Workbench and took 343 tables with reverse engineer. And then I am trying to forward tables to the mysql cluster server. After copying all script to the word, changing innoDB engine...
View ArticleFOREIGN KEY constraint violation (no replies)
Hi, While trying to upload a large number (9+ million) records from a JSON file into a couple of NDB tables using a custom-built Java/JDBC application, I encountered a few (4 or 5) FOREIGN KEY...
View ArticleWindows 2016 support (no replies)
Hello, With Windows 2016 Server release around a corner is it possible to get any plans from MySQL team on supporting MySQL Cluster on the Windows 2016 server? Is it in the plans for 7.4.x family or...
View ArticleCan data node survive a couple second network interruption? (2 replies)
I have a 2 node node group. I am installing a new switch which I will connect to the same network. If I simply unplug a node's cable from the old switch and plug it into the new one, will the node...
View Articleis Fedora server 23 totally compatible with mysql-cluster installing? (1 reply)
Dear pioneer, is Fedora server 23 totally compatible with mysql-cluster's redhat rpm or .gz installing ? I mean is Fedora server 23 support mysql-cluster's working?
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