Can I upgrade to NDB (1 reply)
Server version: 5.7.18-log MySQL Community Server (GPL) Server version: 5.6.36-log MySQL Community Server (GPL) Server version: 5.5.32-log MySQL Community Server (GPL) Windows Server 2012 R2...
View ArticleWait LCP to ensure durability (1 reply)
We had to restart a node because of HW/Disk failure and now, we can not bring up the node, because it seems to wait for the next LCP... Running mysql-5.6.37 ndb-7.4.16 Everything seems to start fine,...
View ArticleDocker container logging to stderr (no replies)
I have struggled to convince mysqld to log to stderr so its logs can be captured by the Docker log driver...wanted to pass on my experiences. Relevant bugs: https://bugs.mysql.com/bug.php?id=57690...
View Articleperformance (no replies)
NDB cluster7.5(MySQL 5.7) is taking more time in fetching data, if number of rows in table is large(2 million) 0 down vote favorite I am trying to setup NDB cluster(MYsql 5.7) for one of my real time...
View ArticleProblem connecting two mysql servers to a cluster (no replies)
Hey Everybody, I'm having a problem connecting multiple mysql servers (mysqld) to a single cluster. Here is the setup: Server 1: Mgm Server Data Node mysql server Server 2: Data Node mysql server The...
View Article[Warning] NDB: Failed to acquire global schema lock, error: (4009)Cluster...
I have 3-node mysql cluster. 1 cluster management node 2 datanode/API nodes. Upon changing the length of a column, show warnings advised that i should raise the MaxNoOfOrderedIndex in config.ini....
View ArticleNDB start phase 5 fails, "job buffer full" (no replies)
Hi All, I'm trying to sort out an issue when testing an "--initial" restart of a data node. It's a two-node cluster, where each node has both ndbmtd and mysqld, and read_backup is enabled. ndb_mgmd is...
View ArticleClusterJ ordering bug? (no replies)
Anyone encountered and now root cause for problem when you can either setordering or use query filter but not both because otherwise code fails with "There is no index containing the ordering fields"...
View Article"Got error 4009 'Cluster Failure' from NDB. Could not acquire global schema...
======== Setup: ======== I have installed 4 Oracle Linux 7.3: 2 for data nodes, 1 for management and 1 for SQL API node. The machines can ping each other, SSH working, firewall disbled and "etc/hosts"...
View Articlemysql -h 127.0.0.1 --user=root -p < /u00/mydbcl/backup.sq and recieved this...
Ima currently in a POC with the above mentioned product. after successfully inatalling the cluster I am in the process of setting up replication. Not sure why the autoinstaller does not give an option...
View Articlendb cluster 7.4.12 seems to limit the number of tables/database to 50 when...
Hi all, I've been trying to setup a mysql-cluster in SmartOS. The version in pkgsrc is 7.4.12. My setup has 1 manager node, 2 SQL nodes and 2 data nodes, all working properly. When I tried to import...
View ArticleCannot delete rows from a NDB table (no replies)
Hi everyone, I am trying to delete some rows from a NDB table with this query: DELETE FROM Users where email is null; I get the following error: ERROR 1297 (HY000): Got temporary error 221 'Too many...
View ArticleInstallation and Configuration of MYSQL databses with One Write and two read...
Hi Experts, I have requirement for Installation and configuring MYSQL cluster databases on one write and two read instances on RHEL 7. I am new please suggest plan how to proceed. Thanks Sandeep
View Article2nd management server won't stay connected (1 reply)
I've inherited a mysql cluster. It has 2 management servers, and the 2nd of them won't connect. I'd like to know the reason why the other servers do not want to stay connected to the 2nd management...
View ArticleCluster index oddities (no replies)
Good day, A few days ago we had an app issue that yelled: 2017-Nov-10 01:16:08.237019: Got temporary error 785 ‘Schema object is busy with another schema transaction’ from NDBCLUSTER While...
View ArticleInstall Mysql cluster using the auto installer Help!! (no replies)
Hi. Im really having a problem getting this mysql cluster to work. I have tried to install it manually and that didnt work and now made a new set of vms to try the auto installer and what i did was...
View Articleno-install release - where to find? (no replies)
I am following the no-install instructions for cluster, and I have setup all my folders, my.ini & config.ini files. However, what I assumed was the no-install version that I downloaded (900MB)...
View ArticleSOLVED: Unable to add undofile to DEFAULT-LG (no replies)
Forgot the back ticks in my panic mode. ALTER LOGFILE GROUP `DEFAULT-LG` ADD UNDOFILE 'undo10.log' INITIAL_SIZE 1G ENGINE NDBCLUSTER; works perfectly fine... --- Hi, we are getting ERROR 1297 (HY000):...
View ArticleMysql Cluster performance (no replies)
Hi all, I have a legacy app using a mysql cluster version 7.4.13. Cluster has 12 data nodes and 12 mysql nodes (data nodes are 200GB/32 cores machines) I have a problem with a query that takes a long...
View ArticleSQL node not starting (1 reply)
I am trying to set up a cluster, with minimal configuration until I get it working, then I will fine tune it. I have managed to get the mngt node & 2 data nodes running, however I can't get the...
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