v4.2.6 Release notes
Software version
Release Date: 03/05/2018
For details on downloading updates see v4.2.6.
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.
Unravel sensor upgrade
Not Required, recommended for high volume
New features
UNRAVEL-3576: SLES parcels support - beta
Improvements and Bug fixes
Improvements
Security audit Issues
UNRAVEL-3421: Session Timeout set to 1 hr now.
UNRAVEL-3426: Tomcat version disclosure in headers, now says "unravel/4.x".
High-volume cluster support
UNRAVEL-3679: Reduce disk and RAM overhead.
UNRAVEL-3512: Increase File descriptor limits.
UNRAVEL-3555: Adjust RAM usage.
UNRAVEL-3552: collect only minimal set of resource usage metrics by default.
UNRAVEL-3543: Improved reliability in Unravel Impala worker.
Bug Fixes
UNRAVEL-3520: For N/A type Impala query, fixed NPE in missing fields in query profile.
Security Audit Issues
UNRAVEL-3416: Security Fixes to prevent SQL injection.
UNRAVEL-3418: XSS - Cross-Site Scripting.
UNRAVEL-3444: State of settings from db lost in running processes if properties edited by hand.
UNRAVEL-3583: Email related fixes in Unravel AutoAction.
UNRAVEL-3597: Improvements in AutoAction page loading.
UNRAVEL-3536: Prevent jackson lib conflict in hive-hook sensor.
UNRAVEL-3546: Prevent re-submitting application data from unravel_es.
Known Issues
Secure cookies and headers (UNRAVEL-3419, UNRAVEL-3420)