mysql cluster insert is slower than mysql replication (no replies)
I am testing the MySQL cluster, set up two data node cluster, run a php script to insert 8000 records to one table, it take 10 seconds, while with mysql replication it only take 4 seconds, why cluster...
View ArticleAnother Error 6000, can't start ndbd nodes (1 reply)
The "ERROR OS Signal recieved" makes me feel like it is something to do with Debian7-amd64 that I have an OS, but I don't know if there is a fix. %%%%%%%%%%%%%%%% my.cnf on NDBD and MYSQLD nodes...
View ArticleSingle host configuration cluster suggest (no replies)
Hello guys, we run mysql on 2x Xeon E5-2670 v2 @ 2.50GHz, 256 GB DDR4 RAM, RAID0: 4xSSD 800GB each, ESXI. Total size of mysql_db: 100 GB. Threads: 55 Questions: 452511665 Slow queries: 24241 Opens:...
View ArticleMySQL Arbitration question (no replies)
Hi to all. Our company was very interested by MySQL cluster system and we started testing environment to check how HA solution will work. So, we built next system (all hosts are XEN-based HVM hosts...
View ArticleLimit to DataFile size for Cluster TableSpace (no replies)
Hi, We are using the MySQL Cluster 7.4.7 on RedHat Linux. We are facing the following issue. Please see the steps followed and the issue faced below: Tablespace > 250GB: - We created a tablespace...
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 ArticleDurable commits in cluster (no replies)
Hi, I am looking at the limitations of mysql cluster and one point I need more clarity is around the durability. https://dev.mysql.com/doc/refman/5.1/en/mysql-cluster-limitations-unsupported.html...
View ArticleDurability of writes in Cluster (no replies)
Hi, I am looking at the limitations of mysql cluster and one point I need more clarity is around the durability. https://dev.mysql.com/doc/refman/5.1/en/mysql-cluster-limitations-unsupported.html...
View ArticleIt's Bug in Cluster? (no replies)
I have exec a qury on cluster which version is 7.4.7,The result is not expected,as show below: mysql> select * from (SELECT * FROM `rt_urls` WHERE s_check_urls_id = 1 and enabled=1) as t where...
View ArticleIt's Bug in Cluster? (no replies)
what's the proble of these two query sql statement in mysql cluster 7.4.7? it's just diffent ahout the position of where contiditon,to my untanstand,i thout the result show same. mysql> select *...
View ArticleActive-active replication (no replies)
Hello. I'm trying to use active-active replication. Configs are same for both SQL servers: server-id=1 log-bin-trust-function-creators = 1 log-bin=log-bin.log binlog-format=ROW ndb-log-orig=1...
View ArticleDeadlock found when trying to get lock; Try restarting transaction, message...
table : -------------------------------------------- CREATE TABLE `testUsers` ( `id` bigint(20) NOT NULL auto_increment, `firstName` varchar(200) NOT NULL, `lastName` varchar(200) default NULL,...
View ArticleMysql Cluster Problem Field Autoincrement (no replies)
Hi We've one problem with replication field autoincrement (Mysql 5.6). Our configuration have one replication circular between two nodes. Node 1: auto_increment_increment=2 auto_increment_offset=1...
View ArticleERROR 1297 (HY000): Got temporary error 20016 'Query aborted due to node...
Hi, Here the config of my cluster: [ndbd(NDB)] 4 node(s) id=1 @172.16.1.101 (mysql-5.6.21 ndb-7.3.7, Nodegroup: 0) id=2 @172.16.1.102 (mysql-5.6.21 ndb-7.3.7, Nodegroup: 0, *) id=3 @172.16.1.103...
View ArticleCan mysql-cluster form a geographical datacenter? (1 reply)
Can mysql-cluster form a geographical datacenter? that is: Is there anyone who has constructed a mysql-cluster geographical datacenter with having adjusted heartbeat setting between nodes but cann't...
View Articlestarting server issue while installing (no replies)
when I am installing MySQL starting server process it is taking a too long time i.e. it is more than an hour but it is not configuring(it is in apply server configuration)
View ArticleNDB query performance - Prestashop (1 reply)
Hello I'm trying set up prestashop with mysql cluster. I successfully install mysql cluster and install prestashop. Firstly I created InnoDB database and install prestashop. Next I converted InnoDB...
View ArticleNDBCluster active-acitve connections. (3 replies)
Hi , i have a ndbcluster setup with 2 datanodes, 2 API nodes and a management node. i would like to setup active-active connection to API nodes from my application .Can you please suggest the right...
View Articlecluster connection error after data node failure. (no replies)
Hi all, I have following problem... I've setupu six node cluster like so: Cluster Configuration --------------------- [ndbd(NDB)] 2 node(s) id=3 @192.168.3.56 (mysql-5.6.27 ndb-7.4.8, Nodegroup: 0, *)...
View ArticleAdding new data nodes to a cluster (no replies)
Hello, The MySQL cluster documentation states, in chapter 7.13, that upon adding new data nodes to the cluster, to repartition existing data across the new node group, an "ALTER ONLINE TABLE XXX...
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