July 17, 2025

Release 2.10.0-h3-b3 of Cloudera Data Flow delivers various fixes that optimize Flow Designer performance and stability. It also fixes an issue that caused disabled processors to start after a flow was stopped and then started.

Fixed issues

CDPDFX-10113: Creating flow draft from large catalog or migrated flows cause OOM in designer apps: This fix addresses out-of-memory (OOM) issues for large flow drafts by changing the way flow content changes are persisted.
CDPDFX-10283: Improving Flow Designer Performance / Flow Drafts with 50+ process groups have high latency with test session: This fix introduces several optimizations to Flow Designer.
CDPDFX-10284: Test Session startup slowness: Invalidating all dynamic properties: This fix speeds up starting of test sessions by clearing the dynamic properties cache at once, instead of invalidating it individually for all components.
CDPDFX-10285: Retrieving and storing additional details when starting a test session: This fix speeds up the starting of test sessions in Flow Designer.
CDPDFX-10388: Limiting the message broker history size in Flow Designer: This fix introduces a MAXLEN argument to control the maximum size of message broker history used by Flow Designer.
CDPDFX-10391: Removing extraneous process group configuration from network and database traffic: Fixes an issue where irrelevant information got included with process group updates.
CDPDFX-10440: Make websocket connection more stable in Flow Designer: Introduces a fix for unstable websocket connections with Google Chrome browser and VPNs.
CDPDFX-10494: Don't start processors which are disabled: Fixes an issue where disabled processors got enabled and started after stopping and then starting a flow.
CDPDFX-10500: Duplicate events generated in dfx-metering: Fixes an issue where there was a delay in metering events being sent to Cloudera Billing and Consumption reports.