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v4.2.5 Release notes

Software version

Release Date: 01/21/2017

For details on downloading updates see v4.2.7.

Certified platforms

  • CDH: On-premise CDH (up to v5.13) with Kerberos enabled.

  • HDP: On-premise HDP (up to v2.6) with Kerberos enabled.

  • MapR: (up to version MapR5.2)with Kerberos enabled.

  • EMR: Testing is in progress.

  • Qubole: Testing is in progress.

Unravel sensor upgrade

  • Optional

    • One improvement in sensors; details under Improvements and bug fixes.

New features

  • UNRAVEL-2836: Support for "adl" protocol when using MS Data Lake on HDInsight.

  • UNRAVEL-2977: Shows jobs in the Navigation tab instead of Stages. Stages are shown upon selecting a job.

  • UNRAVEL-2135, UNRAVEL-2819: Customized Spark streaming page for streaming applications.

  • UNRAVEL-2616: Provides retention for long-running Spark apps (streaming, shells, notebooks) by keeping a maximum number of annotation entries inside the DB and ES.

  • UNRAVEL-2429, UNRAVEL-2430: Support for showing both the Spark program and SQL query in the UI for a SparkSQL query. For applications with multiple queries added a table with KPIs sorted by query run time to help identify the longest running query and the longest stage of a query.

Improvements and bug fixes

  • UNRAVEL-3021: Improved Auto Action email / Slack message subject, removed misleading “only for <state>” phrase and make it cleaner and more readable.

  • UNRAVEL-2509: All emails and Slack messages sent from Unravel server now include organization information as it’s set in Unravel server settings.

Bug fixes
  • UNRAVEL-3070: Fixed memory leak in Spark Worker.

  • UNRAVEL-3030: init script for MySQL leaves a process owned by root running.

  • UNRAVEL-3173: Fixed very rare but possible ConcurrentModificationException in Auto Action internal metric stream.

  • UNRAVEL-3427: Fixed. In the cases that query memory metrics are not available, Impala event generator produces NPE.

  • UNRAVEL-3229: Fixed Airflow HTTP connection problem.

  • UNRAVEL-2858 : Allows slowing down metrics collection in sensor agent.

Known issues
  • Multi-host Unravel Install issues, (internal ref:UNRAVEL-2394).