Failed to create TABLESPACE (1 reply)
Hi, I am running cluster with 2 data nodes, 1 SQL and 1 Management node. My cluster is running fine. I thought of taking database dump using "mysqldump" utility and I took it successfully. Now when I...
View ArticleHadoop/HopsFS delivers 1.2million operations per second (no replies)
Hadoop/HopsFS delivers 1.2million operations per second http://www.logicalclocks.com/wp-content/uploads/pr/hopsfs-1m-ops-sec-pr.pdf...
View ArticleMySQL Cluster 7.5 is GA, best cluster release ever (no replies)
http://mikaelronstrom.blogspot.com/2016/10/mysql-cluster-75-is-ga-best-cluster.html http://mikaelronstrom.blogspot.com/2016/10/read-any-replica-in-mysql-cluster-75.html...
View ArticleMySQL Cluster backups (1 reply)
Dear All, I am having ndb-7.4.11-cluster-gpl and I need to configure backups as per below, 01). Daily incremental, 02). Weekly full and 03). Monthly full backups with 3 months retention. Kindly let me...
View ArticleForced node shutdown completed, restarting. Occured during startphase 0....
NDB Server version: 5.6.29-ndb-7.4.11-cluster-commercial-advanced-log Storage provisioned through Oracle VM OS: RHEL 6.5 In an NDB cluster setup on a VM environment, we have configured management...
View ArticleMYSQL Cluster backups (2 replies)
Where on disk are the MYSQL Cluster backups stored? If I do a simple begin backup from the ndb_mgm client, where then is that backup stored?
View ArticleMySQL Cluster 7.5 on Docker (no replies)
MySQL Cluster 7.5 on Docker: http://www.markleith.co.uk/2016/10/25/running-mysql-cluster-7-5-in-docker/ http://www.markleith.co.uk/2016/10/28/running-mysql-cluster-7-5-in-docker-part-2/
View ArticleConnectCheckIntervalDelay vs. HeartbeatIntervalDbDb (1 reply)
Hi, I wonder if someone can explain the difference between: HeartbeatIntervalDbDb, and ConnectCheckIntervalDelay. its a parameter od datanode. ConnectCheckIntervalDelay is 0 by default...
View ArticleMysql server won't start on Windows 7 (1 reply)
I have unzipped mysql-5.7.16-win32.zip to c:/mysql on a 32 bit windows machine. When I tried to start the MYSQL server using mysqld I receive the following error: "2016-11-08T22:04:58.285346Z 0...
View ArticleNDB Cluster dump import slow (3 replies)
Hi, we just built a new NDB Cluster on physical hardware to replace our virtual cluster. Every night we create a dump file of all the databases on the production system. I am trying to import these...
View ArticleA question about node restarting after crashed (3 replies)
Hi, i was so confused about the node recovery principles. In my cluster,there are 2 data nodes in one nodegroup,and tables are all in memory.When one data node crashed,all operations go to the...
View ArticleData Node/Mgmt Node in NDBCluster disconnect make error code 157 returned in...
We have faced the issue when one of the DB is disconnected for few seconds, and Application cannot get that data and get cause code for 4010, 4002, 157. They are 2016-11-15 12:50:07,362 ERROR...
View ArticleProcess co-location: force mysqld to prefer local ndbd (1 reply)
Hi My NdbCluster deployment is as follows: Server 1 - ndbd + mysqld Server 2 - ndbd + mysqld Server 3 - ndb_mgm NoOfReplicas = 2, so each of servers 1/2 hold full data-set As I can see in tcpdump...
View ArticleNDBCluster memory usuage (7 replies)
HI, We are using Mysql 5.6.21 and ndb 7.3.7. We are having high usage of in-memory from the ndbcluster for the 1 GB of database size. Here is our current status of memory usage: Node 2: Data usage is...
View ArticleNDB7.5.4: start/stop/restart nodes in ndb_mgm client got Permanent error:...
I installed MySQL Cluster CGE edition version 7.5.4 downloaded from Oracle edilivery site. And what I used is the binary tar.gz file, followed by officail instruction documents. Required by our use...
View Articleunknown option '--ndbcluster' (6 replies)
Hello, I'm working with MySQL Server 5.7. I've added the following lines to the /etc/mysql/mysql.conf.d/mysql.cnf : [mysqld section] : ndbcluster [mysql_cluster] ndb-connectstring = 192.168.56.101...
View ArticleCluster Error (1 reply)
MySQL Version : 5.5 Windows server 2012 Configured all the things correctly in MGMD Node i am getting this output C:\mysql\Bin>ndb_mgm -- NDB Cluster -- Management Client -- ndb_mgm> show...
View ArticleChange NoOfReplicas & add/forward mysqld (no replies)
I'm new to this whole MySQL Cluster and now I need to change a productive server cluster. There are 2 different locations where I have to change the cluster config, but only on one location I can take...
View Articlenumber of private ip address needed for clustering (no replies)
How do i know how many private ip and public ip address needed for N number of nodes in a mysql cluster? Is there any rule/policy/formula to find how many private ip's needed ?
View ArticleView That Disappears and Then Reappears (no replies)
We are using MySQL 5.6.25 NDB Cluster 7.4.7. I have several Apache NiFI nodes accessing this cluster. We get transient errors where a view is not found but then subsequently is found (retry logic)....
View Article