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Table of Contents

7.5.11 Release Notes

Improvements 

1Support for Cloudera CDH 6.3.3DAP-40377

Datameer now supports Cloudera 6.3.3 while HBase support is not included.


2Workbook: Extend variable value lengthDAP-40265

Within a fresh Datameer distribution, it is now possible to create variable values with more than 255 characters.



7.5.10 Release Notes

Improvements

1Tableau Export Connection: Parallel TDE/ Hyper file generation for Tableau Server exportsDAP-39846

Setting the property 'das.splitting.disable-combining=true' while configuring a Tableau connection runs the jobs significantly faster. It is verified that an export of a sheet to the Tableau server launches multiple tasks.


2Plug-Ins: Tableau Plugin allows TDE/ Hyper exports to be setup from non-Linux systemsDAP-40147

The plug-in for Tableau now allows TDE/ Hyper exports to be setup from non-Linux systems.

Bug Fixes

1

Tableau Export: Tableau ExportJobs performance issueDAP-40034

The property 'das.splitting.disable-combining=true' while configuring a Tableau connection runs the jobs significantly faster and multiple tasks can be launched.

(tick) Bug fixed.

2

Workbook: Duplicating or copy/ pasting a workbook returns an errorDAP-40067

Workbooks can be copied and pasted without an error again.

(tick) Bug fixed.

3

Workbook: Can't rename a column in a 'Join Sheet' because of a 'RegularRequirementNotMetFailure' exceptionDAP-40130

Column renaming in a 'Joint Sheet' is possible because the broken references check implemented for transformed sheets doesn't affect renaming at other sheet types.

(tick) Bug fixed.

4

Avro Import: 'NoSuchMethodError' with CDH-5.14.4 (Hadoop distribution jackson jar binary incompatible)DAP-40142

Importing Avro files works on Cloudera CDH-5.14.4 distributions.

(tick) Bug fixed.

5

Workbook: Datameer OOM crash when viewing sorted sheet dataDAP-40151

The new property 'das.data-download.merge-sort.max-total-file-size' is introduced to control (volume based) if the sorting will happen in full data view or not. The default value is 256MB.

(tick) Bug fixed.

6

Datameer Mode: Prevent mixed content issues if Datameer is configured in SSL modeDAP-40176

The button "New System" within 'External Systems' is available for entitled users such as an Admin in a SSL enabled installation, too.

(tick) Bug fixed.


7.5.9 Release Notes

Bug Fixes

...

1Add REST API call to look up what UUID's properties areDAP-31229

For a UUID Datameer provides the JSON containing the information about the artifact analog to a REST READ call for an artifact ID.

Improvements

1

Remove 'superuser' related properties from 'live.properties'DAP-39910

The properties 'das.superuser.enabled', 'das.superuser.username' and 'das.superuser.password' are now removed from the 'live.properties' and listed in the default properties only. The properties are disabled per default.

...

2

Infographics: DataSetsController REST API copies full workbook or import job data to DFS (EhCache), therefore the conductor disk space is filling upDAP-39990

The DFSCache button on the developer's page is working again and data is now cleaned up as expected.

(tick) Bug fixed.


7.5.7 Release Notes

Improvements

1

Add Support for Amazon EMR 5.28.1DAP-39877

Datameer now supports Amazon EMR 5.28.1.


...

6

Plug-in Hive-JDBC: Include Hive common JARs for Amazon EMR distributionsDAP-39843

The correct 'httpclient' and 'httpcore' JAR dependencies are now packaged with the plug-in hive-jdbc for Amazon EMR distributions.

(tick) Bug fixed.


7.5.6 Release Notes

Improvements

1

Tableau Hyper Export: correct libstdc++ library version loading DAP-39115

Datameer now injects the path to Tableau's native libraries into LD_LIBRARY_PATH for Tez environments when Tableau Server Datastores are used. This can be controlled via the custom property:

Code Block
languagetext
das.tableau.hyper.native-library-path-injection={true | false}

...

4

Plug-in Hive: Hive Export fails with wrong impersonating user when it is triggered by dependent workbook with a different ownerDAP-39754

Datameer now impersonates the correct user when an export job from a workbook is triggered.

(tick) Bug fixed.


7.5.5 Release Notes

Improvements

1

Optimize multimap value removal code in CombineOnlyDataLocalAlgorithm DAP-39565

Combining splits performance has been improved especially for a large number of splits to combine.


...

1

Support Engineer Plug-in - Customer Usage Analytics

DAP-36640


The SEP contains both high-level metadata and various logs from within Datameer environments. This allows administrators to easily pass necessary information to the Datameer support engineers.


Improvements

1

Plug-in Hive: Support Export into new table in format Parquet, ORC, Avro or Text File

DAP-38804


When exporting data to Hive, the user is presented with a simple drop-down menu to select the file format. You can choose between Parquet, ORC, Avro and Text File.

...

25

v7.5: Customer Upgrade: Join Columns in Error

DAP-39456


Cascading errors in join sheets don't appear any more. After an upgrade to Datameer version 7.5, columns are migrated successfully. Circular dependencies are detected. Broken workbooks stay broken with the same error.

(tick) Bug fixed.


7.5.3 Release Notes

Improvements

1

Add support for Google Cloud Service (GCS) protocol to import and export files

DAP-20331


Datameer supports import to and export from39146 Google Cloud Service (GCS) connections.

...

1

Certify Hive Plugin for Amazon's EMR Distribution 5.24 to the Standard Datameer ApplicationDAP-38274

Improved connector to allow Hive access on EMR.

Improvements

1

Improve responsiveness of UI for customers with large number of job executionsDAP-39030

Querying very large tables for job executions could take seconds, rendering the file browser UI unusable. Datameer now has an index for the job_status column in the metadata database to speed information queuing and display.

...