MySQL Cluster 5.6 Load slow (no replies)
Hello, I have a mysql cluster on ubuntu 14.0.4 There are 4 data nodes, 2 sql nodes and management nodes on 3 HP gen 8 servers. We are testing this set up with a backup made of live data created with...
View Articletable space and log group creation (2 replies)
Hi , I am trying to create LOGFILE GROUP and create TABLE SPACE for my sql database I production. but I am not able to create , getting the below errors. CREATE LOGFILE GROUP prod_lg1 ADD UNDOFILE...
View ArticleObject # has no method 'setLockMode' (no replies)
Hello! I've a situation with Session object in Node.js API version of MySQL Cluster. As the documentation says there must be one method called setLockMode():...
View ArticleNDB API:: Column::setInlineSize issue (2 replies)
HI ALL I use NDB::API do some test about BLOB column，BLOB column is stored in the main table. i use Column::setInlineSize() set blob column inline size, when the size more than 256, the program has a...
View ArticleNDB API:: use B-TREE index issue (no replies)
hi all I create a table test index： CREATE TABLE test( ID VARCHAR(100) NOT NULL, NUM VARCHAR(20) NOT NULL, CALLED_NUM VARCHAR(20) NOT NULL, PRIMARY KEY (ID, NUM) )ENGINE NDB PARTITION BY key(NUM);...
View ArticlePrefixed indexes (no replies)
Hi all, In documentation, prefix index are supposed to be ignored as not compatible with ndb engine http://dev.mysql.com/doc/refman/5.6/en/mysql-cluster-limitations-unsupported.html In fact, prefix...
View ArticleClusterJUserException The property is not a member (no replies)
Here there I'm trying to execute a Query with the ClusterJ java api. When I try to create a Predicate with the following code. Predicate execIdSellP =...
View ArticleMySQL Cluster on windows issues (1 reply)
Hi i am new to mysql however i have been using Oracle Database 11gR2 RAC for last few years. I want to establish a cluster in mysql. The operating system i am using is windows 2008 R2. Given below is...
View ArticleSuggested MySQL architecture for scaling out (no replies)
Hi, Firstly, apologies if my question is in the wrong forum. I just had a suspicion that this might be a good place to start.Also, I am not an expert so kindly bear with me if the question lacks some...
View Articlemysql cluster on vmware (1 reply)
Hi, Is there any limitation for mysql cluster on vmware or vitual host? Is MySQL Cluster good to go on virtual machine? Can I install MySQL Cluster on virtual machine? no problmes?
View ArticleMySQL NDB cluster API nodes stopped (no replies)
Hello, yesterday both 2 API nodes of our NDB cluster suddenly stopped and restarted shortly one after the other. Now we try to find out the cause. On the ndb_mgm side it just looks like they left the...
View ArticleGeoCluster with noofreplicas=3?? Will it work? (2 replies)
http://screencast.com/t/1xwzQwfDAT0 I have 3 datacenters, One in Canada, one in Europe and one in US. I need to setup a database that should be accessible from all locations at all time. The content...
View ArticleReplication Factor 3 for 99.999% availability; Is that supported? Else how to...
Hi Team, We have a requirement for a real time highly available application where we are deploying NDB cluster (we use CGE) with 10+ nodes. The overall availability requirements is 99.999%. With...
View ArticleCan't find symbol '_mysql_plugin_interface_version_' in library Error (no...
Hello; I have just installed Mysql Cluster 7.4.7 with 1 management and 2 nodes. It is working. But I also would like to use memcached options which already enabled in this version according to...
View ArticleRouting queries to correct shard in cluster (no replies)
Hi, I am learning about mysql cluster and wasn't able to find an answer to this question from whitepapers. How does a query request from application get routed to the correct shard in a MySQL cluster?...
View ArticleDurability of transactions in Cluster (no replies)
Hello, It seems like when a transaction is committed on cluster it is not written to the disk until one of the checkpoints (LCP or GCP) kicks in. So theoretically there is a very window of time where...
View ArticleDegraded insert performance when selecting from the join of two ndb tables...
I am seeing degraded insert performance when inserting data that is selected from the join of two (or more) ndb tables. Minimum query to reproduce: INSERT INTO tableC SELECT col1,col2,col3 FROM tableA...
View Articlebest way to partition time serial data (no replies)
I have a big table with more than 5T data, currently with Innodb, partitioned daily by time, the primary key is id and time. the table is insert only with lots of read mostly based on time and some...
View ArticleError code 4239 Trigger with given name already ... (no replies)
when i recreate a table (drop it then create it again),sometimes i have got this error message:Error code 4239 Trigger with given name already exisits,but the table didnot have any triggers any...
View ArticleMysql Cluster Free edition (no replies)
Hi I noticed there is free version of mysql cluster edition,so what are differences between mysql free edition and enterprise edition.I do believe enterprise edition arms with tools,so without having...
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