MariaDB ColumnStore
You are viewing questions related to MariaDB ColumnStore.
MariaDB ColumnStore is a columnar storage engine that utilizes a massively parallel distributed data architecture. It's a columnar storage system built by porting InfiniDB 4.6.7 to MariaDB, and released under the GPL license.
From MariaDB 10.5.4, it is available as a storage engine for MariaDB Server. Before then, it is only available as a separate download.
MariaDB ColumnStore is designed for big data scaling to process petabytes of data, linear scalability and exceptional performance with real-time response to analytical queries. It leverages the I/O benefits of columnar storage, compression, just-in-time projection, and horizontal and vertical partitioning to deliver tremendous performance when analyzing large data sets.
Release notes and other documentation for ColumnStore is also available in the Enterprise docs section of the MariaDB website. For example:
Open Questions
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Error "Invalid padding bytes." when adding node to cluster
During the installation of mariadb columnstore, when I try to add replica n... -
Get the size of a database
How can I check the size of a database. Seems usual command used in InnoDb ... -
How to configure ColumnStore job log?
I want to know how to configure logging for job. I am using ColumnStore and... -
IDB-1003: Circular joins are not supported only with INTO OUTFILE or insert into
Hello everyone, please help me with this weird problem. I'm using MariaDB c... -
Is ColumnStore free
Does the Columnstore can be used for free with the MariaDb Community Edition? -
MariaDB Columnstore 1.2.3-1 Cluster with replication for um1/um2 fails HA
Hello, I've been struggling to understand how to handle the HA for this typ... -
MariaDB Columnstore HA Replication (Active Active Cluster) configuration setup steps
Can anybody please share the MariaDB Columnstore HA Replication (Active Act... -
mysqldump of mariadb columnstore take long time to restore
Hi I have 2 servers with mariadb columnstore, I need move a database from t... -
Stored procedure returns Expected to read 4 header bytes but only received 0
I have the following Stored Procedure: CREATE DEFINER=`user11`@`%` PROCEDUR... -
Using HeidiSQL with MariaDB AX Columnstore 10.2.10 Columnstore 1.1.2-1
Hi, I was playing around with my mariadb installation and when I imported a...
Answered Questions
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About Performance Related Configuration Settings
Hi, I wonder if MariaDB ColumnStore can specify the percentage of CPU usage... -
Alter NumBlocksPct and TotalUmMemory
Hi, In install guide it says "The user can choose to change these settings ... -
Automatic Restart Issue of ProcessMonitor in MariaDB ColumnStore 1.0.4
I encountered an automatic restart problem of ProcessMonitor in PM nodes ex... -
CAL0000: VBBM::getBlocks(): version buffer overflow error
Hi all, I have MariaDB CS 1.0.9 installed in a single node on RHEL7.2. One ... -
Can we extend the max length of the data types varchar and varbinary to 65535?
We plan to migrate the history data from MySQL to MariaDB ColumnStore. Howe... -
case insensitive columns
My company has a strong need to be able to search via case insensitive colu... -
ColumnStore AWS Cluster using External Volume Type - io1 UM1 Launch Issue
The Install only fails if we attempt to launch the additional volume on UM1... -
columnstore replication
Hello, I have three servers with mariadb 10.6.4 and mariadb-columnstore 5.6... -
Configuration settings
Hi, I want to know about some system configuration variables for fine tunin... -
cpimport error
Hi, I had an error while using cpimport command. I configured separate modu... -
cpimport with a decimal table bug
I meet with cpimport bug when I use a decimal table. this is the details :... -
create table ... select, insert into ... select not working
I have a fairly large query that joins 3 columnstore tables. The query exec... -
Cross-Engine join on external server
The cross engine join documentation https://mariadb.com/kb/en/library/confi... -
Crossengine joints with SphinxSE and FULLTEXT indices
I was wondering wether the ColumnStore engine supports crossengine joints w... -
Delete failed, several errors
Hi, I installed MariaDB ColumnStore 1.0.8. I use 1 PM and the storage is in... -
Derived Tables & Column Store
I have been having trouble with a stored procedure using derived tables joi... -
Does MariaDb ColumnStore supports PIVOT
Does the MariaDb ColumnStore engine supports PIVOT? -
Does ROW_COUNT() work on column store tables?
I'm always getting 0 from ROW_COUNT on column store tables. I created an i... -
ERROR 1815 (HY000): Internal error: IDB-2004: Cannot connect to ExeMgr.
hi when i loading data to mariadb columnstore and at the same time ru... -
Failed to create a TRIGGER in MariaDB ColumnStore 1.0.1
I created a database migrate_test and two tables in MariaDB ColumnStore 1.0.1. CREATE TABLE -
Glusterfs not Supported 1.0.8 -
Hi, Centos7 and have gluster running great. When I try to install MCS's gl... -
Glusterfs not Supported 1.0.8 -
Hi, Centos7 and have gluster running great. When I try to install MCS's gl... -
How can I change optimizer_switch for MariaDB Columnstore 1.2.3-1
Hi all, I moved from MySQL 5.6 to MariaDB Columnstore 1.2.3-1. My use case ... -
How can I get Columnstore up and running in the community server?
I installed 10.6.11 MariaDB community server, which should include the colu... -
How partitions and disk space is managed in CS 1.5.x?
Are the following hidden stored procedures still in use? call columnstore_i... -
how to install ColumnStore?
how do I install ColumnStore? -
In k8s, mariadb 10.1.24 deny using ipv6 domain name access
Does mariadb 10.1.24 not support ipv6 access？ I run a springboot web projec... -
IS NULL and IS NOT NULL predicates
I'm not sure if this is a bug or expected behavior... I was testing some qu... -
Issue with view definition in MariaDB 10.1.18
I encountered a rewriting problem of view definition in MariaDB 10.1.18. ... -
Issues with MariaDB ColumnStore 1.0.4
I installed MariaDB ColumnStore 1.0.4 from scratch. It was failed at the st... -
MariaDB and MariaDB ColumnStore on a single OS?
I am sorry if I'm asking in wrong place. It can also be dumb, but I would l... -
Mariadb columnstore
In the new version MariaDB 10.5.4 is installed MariaDB ColumnStore? -
MariaDB Columnstore Health & Performance
Reading thru the 1.0.4 release it looks like SNMP has been removed from col... -
MariaDB ColumnStore Minimum Requirements
¿Could MariaDB ColumnStore work properly in a Single Node with 16 [GB] RAM ... -
mariadb columnstore startSystem faield with no logs
mariadb columnstore startSystem, get the output of : System being started,... -
Maximum number of columns for MariaDB ColumnStore
When I tried to create a ColumnStore table which has 2310 columns, it retur... -
Maximum number of IN
When I specify 100,000 values in SELECT WHERE IN(1,2,10,), only 34,464 ro... -
Object Name : Naming Rule ?
Hello. I have some questions regarding to MariaDB ColumnStore object namin... -
on duplicate key work around
Is there a clever way to simulate the on duplicate key behavior on a range ... -
order by clause not supported
I'm using MariaDB ColumnStore 1.0.8. I want to delete rows using order by c... -
postConfigure failed with error:.UI Command log file cannot be opened
i install column store and execute postConfigure, failed with the fallow msg: Select the ty -
Reduce cpimport logging - bulk logs
Hi Everyone, Apart from logrotate is there any other way to control the ... -
Should GROUP BY require ORDER BY in columnstore?
I have a table with columns id INT, a DATETIME, and two DOUBLESs. Running ... -
Should I be able to use NOT and null safe compare?
I can work around with colum1 is not null and column2 is null... but should... -
Slow Insert/Update in MariaDB Columnstore 1.0.3
My configuration is 2UM10PM with MariaDB Columnstore 1.0.3. I observed that... -
Uniqueness within a ColumnStore table
How do I maintain a unique column? I'm concerned about using an identity c... -
UPDATE vs DELETE and INSERT
We have about 3b rows (and growing) for simplicity sake let’s say the table... -
Upgrade path from v1.0.9
Hi all, I'm currently running MCS v1.0.9. What would be a better upgrade p... -
Upgrade path from v1.0.9 to v1.2.2
Hi all,u adv I have an existing MCS installation on v1.0.9. Can someone a... -
What is "Elapsed" measuring in ColumnStore query plan
I have a query that reports an execution time of 6.826 sec. I was expecting...
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