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5.2.0 Release Notes

These release notes list any new features, enhancements, and fixes that were made between version 5.1 and 5.2-BETA-1 of Hazelcast Management Center (MC).

New Features

  • SQL Browser:

    • Separated the workflows for batch and streaming queries for Hazelcast Platform 5.2. [MC-1620]

    • Added autocompletion support for the editors. [MC-1435]

    • Added connector wizards for Kafka and File connectors. [MC-1435] [MC-1436]

  • Introduced customizable tables, in terms of selected columns and order. [MC-1074]

  • Introduced cluster connection diagnosis functionality. [MC-1332]

  • Added Map Index statistics table. [MC-153]

  • Added a chart for Tiered Storage usage monitoring. [MC-1478]

  • Added support for Command Line Client (CLC). [MC-1548]

  • Added health checks for the number of connected clients, and Tiered Storage metrics and configuration. [MC-1476] [MC-1477] [MC-1481] [MC-1581]


  • SQL Browser:

    • You can now get Map Browser information for a record in SQL query results. [MC-1438]

    • Schema panel now can be hidden/shown. [MC-1395]

    • You can now see an explanation why the suggested mapping cannot be provided. [MC-1448]

    • Increased the speed of the Schema tab population. [MC-1336]

    • Added a proper label for the Schema tab when connected to a Hazelcast Platform 5.0 cluster. [MC-1418]

  • Updated RocksDB version to support Apple M1. [MC-1291]

  • Increased log level for Jetty classes that log HTTP request information. [MC-1625]

  • Introduced a property to configure SQL export cell size limit. [MC-1609]

  • Introduced a property to configure a size limit for asynchronous table loading. [MC-1551]

  • Introduced HealthCheck "WARNING" status. [MC-1686]

  • Improved logging for RocksDB filesystem permission errors. [MC-1432]

  • Improved Time Travel usability. [MC-1414]

  • Time Travel is now disabled when metrics persistence is disabled. [MC-1463]

  • Proper error message when Console is disabled on member. [MC-1434]

  • Removed excessive Spring framework warnings. [MC-1041]

  • MC no longer starts RocksDB for metrics persistence on unsupported operating systems (currently z/os). [MC-1486]

  • Added progress indicator for Cluster remove operation. [MC-1471]

  • TTL and Max Idle in Map Browser are shown as Unlimited if set to 0 or more than 1000 years. [MC-1392]

  • Client version is shown even if the client stats are disabled. [MC-1611]

  • Introduced a label for client filtering status in the left menu. [MC-1560]

  • Improved CP Session metrics. [MC-1674]


  • MC no longer fails when receiving malformed client stats. [MC-1639] [MC-1307]

  • MC no longer fails when the node limit is exceeded. [MC-1397]

  • MC no longer throws OOME when it receives lots of Jet metrics. [MC-1532]

  • MC no longer prints excessive messages about non-monotonic member timestamps. [MC-1347]

  • MC no longer shows a target map in SQL connector wizard dropdown after the mapping is created. [MC-1638]

  • Fixed disabled Rolling Upgrade button issue. [MC-1569]

  • Fixed data recovery policy overlap on the Persistence page. [MC-1555]

  • Fixed MC error when AP member joins cluster with CP members. [MC-1502]

  • Fixed MC error when CP member is shut down and needs to be removed from CP Subsystem. [MC-1505]

  • Ctrl-C now kills the MC container on Linux. [MC-1423]

  • Fixed Preview button behavior on the Update config page. [MC-1394]

  • Fixed an error when multiple persistent memory directories are configured. [MC-1379]

  • Fixed WAN sync status calculation. [MC-1676]

  • Fixed SQL Browser horizontal scrolling. [MC-1636]

  • Fixed SQL Browser pagination controls inconsistency. [MC-1359]

  • Fixed Promote member to CP dialog responsivity. [MC-1520]