Release Notes for MariaDB Enterprise ColumnStore 5.4.1
MariaDB Enterprise ColumnStore is a columnar storage engine included with MariaDB Enterprise Server. This is the first release in the Enterprise ColumnStore 5 series, which succeeds Enterprise ColumnStore 1.5.3.
This release is focused on architectural change, product quality, and improved alignment to MariaDB Enterprise Server.
This release of MariaDB Enterprise ColumnStore is included with MariaDB Enterprise Server 10.5.6-4.
This release is of General Availability (GA) maturity.
MariaDB Enterprise ColumnStore 5.4.1 was released on 2020-10-20.
Multi-node Enterprise ColumnStore 5.4.1 requires MaxScale 2.5.
Multi-node Enterprise ColumnStore 5.4.1 requires shared storage, such as GlusterFS, EFS, and NFS. It also optionally supports S3-compatible storage for data, but it still requires shared storage for metadata.
Changed default configuration for memory usage, blocks, and set table names. (MCOL-4252)
Prepared Statements causing Signal 11. (MCOL-4282)
Join operations return errors when using upper-case table names. (MCOL-4290)
Permissions issue in
Errors returned when using upper-case database names. (MCOL-4144)
Server crashing when running queries where no default schema was provided. (MCOL-3464)
Regression in subqueries. (MCOL-4179)
CMAPI issues configuring multi-node ColumnStore deployment. (MCOL-4226)
common_prefix_depthfor S3 to accommodate new paths. (MCOL-3651)
Join operations failing on views. (MCOL-3814)
Crash/assertion failure after "RWLock failed to attach to the InfiniDB-shm-00020000 shared mem segment, got Permission denied" (MCOL-4283)
CMAPI Server not gracefully handling first nodes with unresolved names in
SQL syntax error when uninstalling Columnstore plugin package. (MCOL-4087)
Integrate with the cluster management code. (MCOL-4055)
Column not found in info map when querying views. (MCOL-3827)
Multi-node not working after executing stop and start commands. (MCOL-4227)
Custom cross-engine join user unable to connect. (MCOL-4322)
Hangs when requesting data from ColumnStore extents or files. (MCOL-4330)
mariadb-columnstore-start.shfixed to use absolute paths. (MCOL-4335)
Procedures hanging when using ColumnStore tables. (MCOL-4334)
CMAPI returning error messages when using custom replication user credentials. (MCOL-4289)
CMAP incorrectly sed parsing
&character for CMAPI key. (MCOL-4297)
Database user access unrestricted by IP addresses. (MCOL-4293)
Stored procedures failing for Information Schema tables. (MCOL-4332)
cache_system variable added flush_ threshold
cache_system variable added inserts
select_system variable added handler_ in_ stored_ procedures
In alignment to the enterprise lifecycle, MariaDB Enterprise ColumnStore 5.4.1 is provided for:
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 7
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server 12