ADB 6 releases
6.29.1
 
     Date: 08.10.2025
| Added the ability to define a distribution key for  | 
| Implemented the  | 
| Added support for AltLinux 10.2 SP. ADB will no longer be adapted for AltLinux 8.4 | 
| Implemented ADBM 2.6.6 | 
| Fixed a bug that caused increased memory consumption when exporting data via PXF to an external table | 
| Fixed a bug where a hanging process continued reading data via PXF on a segment after its parent process on the master host was interrupted | 
6.29.0
 
     Date: 17.09.2025
| Added support for Astra Linux 1.7.6 "Voronezh" (for the Enterprise edition of ADB) | 
| Implemented the orphaned file cleanup functionality | 
| Added the ability to set  | 
| Implemented ADB Control 4.14.2 | 
| Implemented ADBM 2.6.5 | 
| Backported the Dynamic Shared Areas (DSA) module | 
| Removed the Materialize operation of sorted internal path in Merge Join for the Postgres optimizer | 
| Implemented password escaping in PXF, ADB Control, and ADBM | 
| Fixed an issue with  | 
| Fixed an issue that caused the  | 
| Fixed an issue with  | 
| Fixed  | 
| This is the first ADB release based on Greengage DB | 
6.27.1
 
     Date: 12.08.2025
| Implemented ADBM 2.5.7 | 
 
     Date: 05.08.2025
| Implemented ADB Control 4.13.3 | 
| Implemented ADBM 2.5.5 | 
| Fixed: the  | 
| Fixed the error of updating ADB from 6.25.2.52 to 6.27.1.61 on ALT 8.4 SP | 
 
     Date: 23.06.2025
| Added support for Hashi_vault implemented in ADCM | 
| Added HTTPS support for ET | 
| Implemented ADBM 2.5.0 | 
| Implemented ADB Control 4.13.0 | 
| Migrated from GnuTLS to OpenSSL | 
| Improved monitoring of memory consumption by technical processes | 
| Optimized query plan creation for "edge" cases: temporary tables without collected statistics that use the  | 
| For ADB to ADB connector, optimized the planner to work with queries that contain the  | 
| Optimized GPORCA for correlated subqueries with grouping | 
| Added the ability to use special symbols like  | 
| In the  | 
| Improved readability and relevance of the error message when restoring from multi-page WAL files that contain broken pages | 
| Fixed the negative query cost in JSON output | 
| Fixed the error of ADB updates from versions 6.24.3.47 and earlier, caused by the presence of the mandatory field  | 
| Fixed the  | 
| Fixed the need to disable  | 
| Implemented early cleanup of unused generated data, for example, when using  | 
| Starting with ADB 6.27.1.63, the minimal ADCM version is 2.6.0 | 
| Extended restrictions on using multiple inline CTE within a single data query | 
| Fixed the Java version check during installation | 
| The ADB upgrade to 6.27.1.63 is only tested for ADB 6.26.2.55 and later. Upgrades from earlier versions are not tested | 
 
     Date: 07.03.2025
| Upgraded  | 
| Upgraded PXF to 6.12.2_arenadata23 | 
| Upgraded  | 
| Upgraded  | 
| Upgraded  | 
| Added the  | 
| Introduced the endpoint for online DB object size tracking with minimal performance impact | 
| Added mutual TLS support for secure ADB-PXF communication | 
| Added the new SSL management action for the PXF service in the ADB bundle | 
| Implemented ADBM 2.4.0 | 
| Implemented ADB Control 4.12.0 | 
| Reduced S3 metadata calls by skipping unnecessary file validations and marker deletions | 
| Improved PXF fragment distribution by shifting from modulo to prime-based division | 
| Updated the cluster check to use  | 
| Skipped  | 
| Fixed full uninstall of PXF to preserve package configuration directories | 
| Patched docker-compose for compatibility with docker-engine-27.1.1 on ALTLinux 8 | 
| Refactored  | 
| Optimized workfile compression memory usage with a dedicated zstd memory context and properbuffer cleanup | 
| Fixed the  | 
| Resolved the  | 
| Fixed the Hive connectivity error in PXF 6.11 by ensuring the correct Kerberos-enabled UGI is used | 
| Resolved timing issues in  | 
| Fixed the  | 
| Corrected the PXF installation failure on non‑ADB hosts by restricting PXF tasks to ADB nodes | 
| Enhanced synchronization between helpers and  | 
| Revised Docker daemon.json updates via regex for safe basic option changes | 
| Standardized the oident service name to  | 
 
     Date: 27.12.2024
| Introduced timestamp partitioning in PXF | 
| Enabled flexible selection of fragmenter, accessor, and resolver in PXF | 
| Added SSL connectivity options for external databases in ADB Control (Metrics DB, Query DB, Offload DB) | 
| Added the Move Host Segment action to prepare and move segments to new hosts | 
| Implemented ADBM 2.3.2 | 
| Implemented ADB Control 4.11.0 | 
| Refined the  | 
| Improved error handling logic when working with S3 external tables | 
| Allowed Ident authentication for  | 
| Streamlined the fault injector configuration | 
| Implemented the pattern-based validation for fields that accept IP or domain names (ADB Control/ADBM) | 
| Implemented the ability to support  | 
| Fixed missing prototype warnings and compilation issues in GPDB | 
| Resolved the  | 
| Addressed incorrect baseurl formation in *.repo files on RedOS 7.3 | 
| Fixed errors that occurred during the uninstallation of ADB Control components | 
| Prevented statistics from being erroneously erased by  | 
| Removed redundant  | 
| Removed the etcd component from ADBM | 
 
     Date: 14.11.2024
| Upgraded  | 
| Upgraded  | 
| Upgraded  | 
| Upgraded  | 
| Upgraded  | 
| Full interconnect support for the Proxy type has been integrated into ADB (see ADB → Interconnect properties in Configuration parameters) | 
| ADB is now compatible with RedOS 7.3 | 
| Configuration files are now validated without using log files | 
| PXF is now compatible with ADH version 3.3.6 | 
| Implemented ADBM 2.2.3 | 
| Implemented ADB Control 4.10.3 | 
| The Tkhemali/ADB ClickHouse Connectors now support messages larger than 4096 characters | 
| Edge case handling in  | 
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| A new filter option is available in  | 
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| Nested exception information is now available in PXF logs when needed | 
| The skip-file usage in  | 
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| The PXF platform has been updated to use Spring Boot 3.3.2 | 
| An option to save the  | 
| ADB and all its components now require Java 17 | 
| .bash_profile is now supported on Astra and Ubuntu | 
| Log rotation scripts now better accommodate database names | 
| 
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| The logging behavior in  | 
| The PLContainer Docker instance is fully operational again | 
| Optimizations for  | 
| GUC sync will no longer forget about temp tables | 
| 
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| JSON output is now available for the  | 
| Schema types are now correctly backed up | 
| The Kafka Connector automatically sets up  | 
| The ADB ClickHouse Connector now handles cyrillic characters correctly | 
| Restoration of  | 
| Improvements in PXF ensure user impersonation is handled more accurately | 
| A delete action for failed ADBM instances has been added to the bundle | 
| ETags will be parsed case-insensitive now | 
| Support for over 512 fields has been added to the ADB ClickHouse Connector | 
| The core-app.log files are now included in the log rotation | 
| Clusters running in the standalone mode with extensions now shut down correctly | 
| Software package cache updates automatically when needed | 
| In CentOS and Astra Linux, before installation of ADB 6.27.1.58 or upgrade to this version, you should manually install Java 17 on cluster hosts and fill in the JAVA_HOME parameter on the cluster configuration page | 
 
     Date: 29.08.2024
| Significantly enhanced and extended the performance and scope of PXF push-down | 
| Upgraded  | 
| Upgraded  | 
| Upgraded PXF to 6.10.1_arenadata15 | 
| Upgraded  | 
| Implemented ADBM 2.1.2 | 
| Implemented ADB Control 4.9.1 | 
| Queries on unresponsive segments do not longer hang indefinitely | 
| 
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| PXF now supports push-down filters for the following types:  | 
| PXF now supports years with more than four digits | 
| PXF now supports push-down for immutable and some stable functions | 
| 
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| Updated timezones to the latest version | 
| The  | 
| The  | 
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     Date: 27.06.2024
| Upgraded  | 
| Upgraded PXF to 6.10.1_arenadata14 | 
| Upgraded  | 
| Upgraded  | 
| Upgraded  | 
| Added the ability to separate tablespaces for temporary tables from the spill/sort temporary file storage by setting the new GUC  | 
| ADB now supports Ubuntu OS | 
| The ADB to Kafka Connector now supports SSL | 
| Added the ADBM CLI to simplify backup and restore processes | 
| Implemented ADBM 2.0.4 | 
| Implemented ADB Control 4.8.8 | 
| ADB bundle: the Advanced section has been removed from the cluster action Expand | 
| ADB bundle: the Advanced section in the ADB service configuration is now smarter | 
| 
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| Grafana dashboards and ADCM API now include more thread-related metrics for PXF | 
| Added aliases to the ORCA plan ( | 
| ORCA requires fewer columns for delete operations | 
| 
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| PXF can better export JSON/JSONB fields to Postgres | 
| PXF will never ignore the jdbc-site.xml settings to determine the JDBC driver | 
| Improved performance of the DDBoost plugin | 
| Improved the ADB performance on CPUs with the Power architecture | 
| 
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| Improved security of the ADB source code | 
| ADB Control now supports external ADQM | 
| ADB Control and ADBM no longer use Nginx | 
| ADB bundle: the pg_hba.conf file is now validated before applying | 
| ADB bundle: when SQL files are used instead of text to run SQL commands, the  | 
| The ADB Control connection URLs automatically switch to standby when it is activated | 
| ORCA generates a plan for queries with  | 
| ORCA generates correct plans for queries where  | 
| Improved the locking strategy for partitioned tables | 
| The restore process will not remove old WAL files if  | 
| LDAP authorization requests are processed more correctly | 
| The  | 
| The  | 
| Column definitions in the  | 
| The  | 
| PostGIS extensions now work during the cluster installation tasks | 
| The  | 
| Improved performance when working with ClickHouse | 
| 
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| The address availability check for UDP interconnect has been reinstated | 
| Improved the  | 
| 
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| ADB Control no longer ignores changes in the scheduler configuration files | 
| Improved the resource release callback logic for  | 
| The ADB Control reconfiguration no longer fails after adding incorrect options | 
| The PXF locale can now be configured via ADCM | 
| Improved handling  | 
6.26.2
 
     Date: 11.04.2024
| Synced with upstream Greenplum Database 6.26.2 | 
| Upgraded  | 
| Upgraded  | 
| Upgraded PlanChecker to 1.1.1 | 
| Upgraded  | 
| Upgraded PXF to 6.9.0_arenadata13 | 
| Upgraded  | 
| Upgraded  | 
| Added the PXF cluster option to reload profiles | 
| Added the option to change the  | 
| Added  | 
| Added the  | 
| Implemented ADBM 1.7.3 | 
| Implemented ADB Control 4.7.5 | 
| Unset the  | 
| Reset ADB on Astra Linux from default Axiom Java to openjdk | 
| Replaced Java 8 with Java 11 in all components of Arenadata DB | 
| Added a date to the logback parameters pattern | 
| Added the ability to use a subdirectory for a custom Docker registry | 
| Implemented toast size calculation for  | 
| Added support for Greenplum specific query tree nodes to query jumbling logic | 
| Removed the confusing option Force Enable Monitoring from PXF service parameters | 
| Added the LDAP settings check in the ADB service during the Precheck, Check, Install, Reinstall actions | 
| ADB ClickHouse Connector did not use the  | 
| The adcc_agent_monitor script did not exist on new hosts after the expand | 
| The ADB bundle option custom enterprise repo did not work with Astra Linux | 
| 
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| Scheduler app logs were not written to files | 
| The ADB bundle error  | 
| The ADB bundle on Astra Linux ignored the  | 
| The operation.py scripts failed with a DB name having contained special characters | 
| Backup Manager pages were displayed on UI when ADBM was not installed | 
| Host system metrics were always empty | 
| The  | 
| Fixed the progress bar concurrency issue with  | 
| Fixed possible issues detected in ORCA by svacer | 
| Fixed possible memory leaks detected by svacer | 
| Fixed core dump in  | 
| Fixed incorrect memory assumption for hash join statistics | 
| Fixed the address availability check when setting up UDP sockets in IPv6 disabled environments | 
| 
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| Disk space was not reclaimed to OS right after drop of a temporary heap relation | 
| 
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| Fixed data restore with the  | 
| Fixed the empty  | 
| ORCA extracted all columns of an AO table when deleted | 
| ORCA generated an incorrect plan with the  | 
| Fixed inconsistencies with Shared Scans in a postgres planner | 
| Fixed the  | 
| Fixed missing system attributes for an AO table | 
| Fixed inserting the  | 
6.26.0
 
     Date: 28.12.2023
| Synced with upstream Greenplum Database 6.26.0 | 
| Added new metrics for PXF Monitoring:  | 
| Added the ability to choose a strategy for vacuuming in  | 
| Added support for  | 
| Upgraded PlanChecker to 1.1.0 | 
| Upgraded the adb-community/clickhouse-server image to 22.8.6.71-alpine | 
| Upgraded  | 
| Upgraded PXF to 6.8.0_arenadata12 | 
| Upgraded  | 
| Upgraded  | 
| Upgraded  | 
| Upgraded  | 
| Upgraded  | 
| Upgraded  | 
| Upgraded  | 
| Implemented ADB Control 4.6.4 | 
| Implemented ADBM 1.6.3 | 
| Replaced the inefficient  | 
| Added ADB Control and ADBM descriptions to the main pages of corresponding services in ADCM | 
| Renamed the  | 
| Added switching from Cgroups v2 to v1 for Astra Linux 1.7.5 and higher | 
| Optimized  | 
| The  | 
| 
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| Fixed the  | 
| The coordinator did not cancel a PXF query on segments | 
| The  | 
| ADB Control installation (via the Install service action) failed if ADB cluster had no the Monitoring clients service | 
| It was not possible to delete a role that had a  | 
| 
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| ADB ClickHouse Connector failed when trying to insert data using  | 
| Fixed the  | 
| 
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| Metafiles were not fully restored in  | 
| Fixed the error when inserting a partitioned table into a leaf partition | 
| Data inserting via ADB ClickHouse Connector resulted into  | 
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| 
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| Fixed a non-quoting  | 
6.25.2
 
     Date: 02.11.2023
| Synced with upstream Greenplum Database 6.25.2 | 
| Upgraded  | 
| Added support for AstraLinux 1.7 SE "Orel" (for the Enterprise edition of ADB) | 
| Added support for Docker CE | 
| Added the option to choose custom JAVA_HOME for cluster | 
| Added the Parameter archiving feature — ability to export ADB settings according to the specified schedule | 
| Allowed PXF log output in the JSON format | 
| Added verification of reserved characters for database names | 
| Ensured correct ADB deployment in case of custom  | 
| Added checking residual gpdb processes during the upgrade action | 
| Implemented ADBM 1.5.2 | 
| Implemented ADB Control 4.5.3 | 
| Added calculation of the root partition size to  | 
| Improved the ADB audit query | 
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| Added a persistent volume for ClickHouse in ADB Control | 
| Reset sysctl parameters to recommended values | 
| Refactored closing connection to PXF, including fdw | 
| Fixed: a  | 
| Fixed: ADB to ADB Connector installation failed due to the lack of extension files on segments | 
| Fixed incorrect filling of the  | 
| Fixed: reboot timeout was too small to fit physical servers | 
| Fixed: a  | 
| Fixed: CA cert had extra quotes in name | 
| Fixed:  | 
| Fixed ORCA invalid processing of nested SubLinks under the aggregates | 
6.25.1
 
     Date: 31.08.2023
| Implemented ADB to ADB Connector 1.0.0 | 
| Added the Uninstall action for Madlib | 
| Implemented ADBM 1.4.0 | 
| Implemented ADB Control 4.4.0 | 
| 
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| Replaced  | 
| Fixed ORCA invalid processing of nested SubLinks referenced in the  | 
| Excluded reconfiguring of Diamond if a cluster has no monitoring | 
| Fixed the error with an empty value of the ADB Control Docker address in pg_hba.conf | 
| Fixed the error that occurred when the session on the master node was ended, while the sessions on the segments continued to work | 
| Removed dynamic linking of zstd for  | 
| Fixed:  | 
| Fixed Explicit Redistribute logic for queries with SubPlans | 
 
     Date: 10.08.2023
| Synced with upstream Greenplum Database 6.25.1 | 
| Upgraded  | 
| Upgraded  | 
| Upgraded  | 
| Upgraded  | 
| Added LDAP integration and synchronization with ADB from bundle | 
| Added the Enable mirroring action to the ADB service | 
| Added the  | 
| Added the Uninstall action for PostGIS | 
| Added the Uninstall action for  | 
| 
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| Implemented ADBM 1.3.3 | 
| Implemented ADB Control 4.3.3 | 
| Timezone is taken into account in the operation_log filenames for  | 
| Added support for the  | 
| Reduced memory consumption by avoiding ORCA initialization on query executors where ORCA is never used | 
| Fixed  | 
| 
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| 
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| Fixed a segmentation fault during a dispatch interrupt | 
| Fixed update of ADB Control/ADBM versions in UI after cluster upgrade | 
| The  | 
| Fixed inconsistency of  | 
6.24.3
 
     Date: 20.07.2023
| Implemented ADBM 1.3.2 | 
| Implemented ADB Control 4.3.2 | 
| Postgres config files are backed up for the purpose of ADBM Copy (Disaster Recovery) | 
| Fixed: cluster was marked  | 
 
     Date: 30.06.2023
| Synced with upstream Greenplum Database 6.24.3 | 
| Upgraded  | 
| Upgraded  | 
| Upgraded  | 
| Upgraded PXF to 6.6 | 
| ADB ClickHouse Connector went out of beta to GA | 
| ADB ClickHouse Connector: implemented segment scans to support select capability | 
| Implemented the  | 
| Implemented the arenadata_toolkit.adb_skew_coefficients view to monitor data skews | 
| Added SASL_PLAINTEXT and SASL_SSL to ADB Kafka connector | 
| Implemented ADBM 1.3.0 | 
| Implemented ADB Control 4.3.1 | 
| SSH connection timeout was increased to ensure spare node installation with ADB bundle | 
| ADB ClickHouse Connector: avoided using of short-living context for edatum in scans | 
| ADB ClickHouse Connector: avoided removing of one resource release callback inside another | 
| ADB ClickHouse Connector: changed the  | 
| ADB ClickHouse Connector: improved initial shard selection based on  | 
| ADB bundle was changed to use rebranded service names of ADB ClickHouse Connector (ex — Tkhemali) and ADB Control (ex — ADCC) | 
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| Migrated the  | 
| Fixed the  | 
| Fixed  | 
| Fixed  | 
| Fixed PXF migrator in an ADB bundle | 
| Fixed the FQDN problem that occurred during the Expand action | 
| Fixed: ORCA set improper Flow for Shared Scan nodes during translation to a physical plan | 
| ADB ClickHouse Connector: fixed the uninitialized variable error inside the options module | 
| Fixed creating the  | 
6.23.5
 
     Date: 31.05.2023
| Synced with upstream Greenplum Database 6.23.5 | 
| Upgraded  | 
| Limited the find command depth when  | 
| Fixed  | 
| PXF curl error buffer: a transfer closed with external read data remaining | 
| Fixed:  | 
6.23.3
 
     Date: 27.04.2023
| Synced with upstream Greenplum Database 6.23.3 | 
| Upgraded PXF to 6.5.0 | 
| Upgraded  | 
| Implemented ADB ClickHouse Connector. You can use the new connector version in the beta mode simultaneously with the previous version Tkhemali Connector 1.X | 
| Started to process the  | 
| Enabled SSL between client and master | 
| Enabled addition of Monitoring Clients to new hosts after the Expand action | 
| Added PXF Monitoring Grafana Dashboards | 
| Added the ability to expand monitoring agents in the ADB bundle | 
| Arenadata DB Command Center (ADBCC) is renamed to Arenadata DB Control (ADB Control) | 
| Implemented ADBM 1.2.1 | 
| Implemented ADB Control 4.2.1 | 
| Refactored the logs compression script | 
| Added additional checks for the ADB state when the Install/Reinstall ADBM actions are being performed | 
| Removed redundant Partition Selector nodes from the  | 
| It was impossible to upgrade  | 
| PXF: fixed the error that occurred if the year contained more than 4 digits | 
| ADCC monitoring could not be installed when "one shot" cluster installation was used | 
| Fixed the incorrect IP for standby in the arenadata_segments_monitor.sh script after the cluster upgrade | 
| The  | 
| ADCC client did not re-register on the ADCC server with LDAP when running Reconfigure & Restart | 
| The PANIC error in logs with the  | 
| Disabled the  | 
| After restarting a master server or segment host, Grafana transmitted incorrect data | 
| Corrected the error output for  | 
| Fixed issues with the external cluster DB addition into pg_hba.conf during the Reconfigure & Restart action | 
| It was impossible to uninstall the ADCC service due to the  | 
| Fixed issues with the arenadata_segments_monitor.sh script | 
| Fixed the missing (yet claimed)  | 
| The ADBM actual mapping state was not checked during the Install ADBM service action | 
| Fixed: monitoring scripts could exhaust a connection pool | 
| The connection cluster was not created automatically after the bundle installation with LDAP | 
| After the Expand action, the unusual data appeared on a new segment in data_analyze | 
| Fixed the incorrect  | 
| Fixed: the ADB cluster update process failed | 
| Fixed the uninformative error that occurred when the reload process failed | 
| The high memory consumption could lead to OOM for AOCS tables and NLJ | 
6.22.1
 
     Date: 15.02.2023
| Upgraded  | 
| Upgraded  | 
| Upgraded  | 
| Implemented a buffer parameter in the  | 
| ADB bundle: added a checkbox to echo ADB-specific metrics to Monitoring Clients | 
| Implemented ADBM 1.1.0 | 
| Implemented ADBCC 4.1.0 | 
| ADB bundle: removed the  | 
| ADB bundle: renamed  | 
| Added a precaution annotation to /home/gpadmin/arenadata_configs/postgresql.conf | 
| Made migration of the  | 
| Components in ADB did not change their state to  | 
| High memory utilization for queries with SQL subqueries | 
| The service query collect_table_stats.sql periodically hung | 
| The PXF encryption error:  | 
| It was impossible to add the Chrony Secondary component on a new standby host | 
| PXF did not start with enabled option encryption:  | 
| Refactored arenadata_segments_monitor.sh to avoid  | 
| 
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| The invalid byte sequence for encoding UTF8 in logs during accessing  | 
| GPORCA produced a bogus plan for queries with CTE during handling distribution for Sequence children | 
| The  | 
| Incorrect  | 
| The issue with changing an ADBCC service configuration file via ADCM | 
| Fixed a system database name for ADBM | 
| Fixed known issues for ADB 6.22.1.40 | 
| Placed the  | 
 
     Date: 06.12.2022
| Synced with upstream Greenplum Database 6.22.1 | 
| Upgraded  | 
| Upgraded PXF to 6.4.2.4 | 
| Upgraded  | 
| Added  | 
| Added  | 
| Upgraded  | 
| ADB bundle: implemented the  | 
| ADB bundle: added the ADBM service and the ADBM configuration page | 
| ADB bundle: added an option to the ADB configuration to store a Docker certificate for a trust self-signed registry | 
| Obfuscated  | 
| Added the ability to deserialize AVRO messages in  | 
| Implemented ADBCC 4.0.0 | 
| Added a new system for ADB binary backups management — Arenadata DB Backup Manager (ADBM) | 
| Made optimizations in  | 
| The error occurred during the PostGIS extension upgrade in ADB 6.22.0 | 
| The  | 
| Fixed the cross-slice interaction detection for subplans | 
| The error with Precheck and Check actions after ADB installation | 
| The ADBCC client did not re-register on the ADBCC server when Reconfigure & Restart was being applied | 
| PXF might not catch a malformed chunked encoded response | 
| The postmaster process could exhaust all signal slots under the intensive connections pressure | 
| PXF hung indefinitely when it executed queries using the  | 
| Changed logic for ADB  | 
6.22.0
 
     Date: 20.10.2022
| Synced with upstream Greenplum Database 6.22.0 | 
| Added support for AltLinux 8.4 SP. AltLinux 8.2 SP is now deprecated | 
| Added Data Domain Boost 1.0.0 ( | 
| Upgraded  | 
| Upgraded  | 
| Upgraded PXF to 6.4.2.3 | 
| PXF: allowed setting of Oracle parallel instructions | 
| PXF: enabled a filter pushdown status in PXF JDBC logs | 
| Implemented ADBCC 3.7.0 | 
| PostgreSQL planner produced a bogus plan for queries against replicated tables with  | 
| The  | 
| Fixed the lost parameter  | 
| Refactored Planchecker to use an external ADBCC database | 
| The Postmaster process might exhaust all signal slots under the intensive connections pressure | 
| 
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| Fixed the projection of boolean qualifiers which attributes are not in the  | 
| PXF refactoring: 
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| Applying the  | 
| 
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| A failure occurred when DynamicSeqScan had a subPlan | 
| Failed to exchange a partition with a table having a dropped column that the table was distributed by | 
| The  | 
| gptkh: fixed fetching of the actual  | 
| Added a registry URL and arenadata-enterprise repository to the bundle configuration | 
6.21.1
 
     Date: 30.08.2022
| Synced with upstream Greenplum Database 6.21.1 | 
| Enabled core dump files for ADB processes | 
| Implemented ADBCC 3.6.0 | 
| Tkhemali could not process text fields with a new line character | 
| Read data stream is released now when a partition scan is over | 
| The  | 
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| 
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| 
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| Fixed a gang loss during running a transaction when  | 
| A database process entry initialized a whole plan tree | 
6.21.0
 
     Date: 21.07.2022
| Synced with upstream Greenplum Database 6.21.0 | 
| Implemented ADBCC 3.5.1 | 
| Optimized DML queries against partitioned tables to avoid further planning if a partition was pruned | 
| Excluded the  | 
| Refactored the  | 
| Implemented a fallback to PostgreSQL for an empty target list in CTE producer | 
| Fixed the cross-slice interaction detection for subplans | 
| Copying subplans for partitions by a planner broke the subplans order | 
| 
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6.20.3
 
     Date: 19.05.2022
| Synced with upstream Greenplum Database 6.20.3 | 
| PXF: when the PXF service migrated, the rights to the directory were not being checked | 
| PXF: the  | 
| The gpexpand_schema.tar archive was created in the directory /home/gpadmin and could overflow the space | 
| A compatibility platform was incorrect for community bundles in AltLinux | 
6.20.1
 
     Date: 11.04.2022
| Synced with upstream Greenplum Database 6.20.1 | 
| PXF: added PXF 6.3.0 to the ADB bundle (with ability to upgrade from PXF 5.x) | 
| PXF: activated a PXF cluster sync command | 
| PXF: added the PXF bin directory to the  | 
| PXF: added the ability to override data types mapping in external tables for PXF | 
| Added Tkhemali Connector 1.0.1 with a lot of refactoring | 
| Added the Delete Tkhemali action | 
| Added the Delete Kafka-to-ADB action | 
| Added the Delete ADB-to-Kafka action | 
| Added the  | 
| Implemented ADBCC 3.4.0 | 
| Made editing of /etc/hosts optional | 
| PXF: error with JDBC Hive when one of the fields was a reserved word | 
| GPORCA failed on assert during transformation  | 
| The aggregate mode did not handle properly query finish commands from QD (Query Dispatcher) | 
| 
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| ADBCC installation failed if a cluster name consisted of more than one word | 
| Interleaving of the append-optimized partitioned table removal and the  | 
| gptkh: fixed the  | 
| Tkhemali: column names with spaces were not handled properly | 
| GPORCA produced invalid plans for a common table expression (CTE) with replicated tables | 
| GPORCA: the  | 
| Monitor scripts were not added to  | 
| Backend server was displayed as IP while agent was displayed as FQDN on the Version page | 
6.19.3
 
     Date: 09.03.2022
| Synced with upstream Greenplum Database 6.19.3 | 
| Implemented ADBCC 3.3.1 | 
6.19.1
 
     Date: 17.02.2022
| Synced with upstream Greenplum Database 6.19.1 | 
| Hid a server name in the HTTPS group ADBCC service | 
| Added ADB Loader tools for RHEL 8 | 
| Added the ability to deploy maintenance scripts for several databases | 
| Enabled the  | 
| Added the Delete PXF action | 
| Implemented ADBCC 3.3.0 | 
| Moved the Disable firewall option to the cluster level from the ADB service | 
| Wrong column binding was used to extract values from a SharedScan node | 
| gptkh: the distributed table  | 
| gptkh: an error in parsing settings for distributed tables | 
| Coordinator did not use quote escaping for GUC values when restored on QE | 
| The sshd option  | 
| Built the docker-compose RPM package 1.29.2 | 
6.18.2
 
     Date: 20.12.2021
| Synced with upstream Greenplum Database 6.18.2 | 
| [6X backport] Implemented  | 
| [6X backport] Zero fill pages skipped by a force WAL switch | 
| Added Kafka ADB connector 1.0.4 | 
| Added  | 
| Implemented ADBCC 3.2.5 | 
| Power: an unexpected subplans order caused  | 
6.18.0
 
     Date: 18.11.2021
| Implemented ADBCC 3.2.4 | 
| When accessing from an append-optimized table, Index returned the wrong result | 
| kafka-fdw: fixed garbage in output at least for the text format | 
| 
 | 
| 
 | 
 
     Date: 12.11.2021
| Synced with upstream Greenplum Database 6.18.0 | 
| 
 | 
| PXF: added the partitioning query support for Sybase | 
| Implemented ADBCC 3.2.2 | 
| The  | 
| 
 | 
| 
 | 
| The  | 
6.17.2
 
     Date: 07.09.2021
| Synced with upstream Greenplum Database 6.17.2 | 
| Synced with PXF 5.16.3 | 
| Synced with  | 
| Synced with  | 
| Added a build for Power8 LE platform (ppc64le arch) | 
| Implemented ADBCC 3.1.3 | 
6.17.1
 
     Date: 17.08.2021
| Synced with upstream Greenplum Database 6.17.1 | 
| Implemented the ZSTD compression support for  | 
| 
 | 
| ADB bundle: external database connection for ADBCC | 
| Implemented ADBCC 3.1.0 | 
| kafka-fdw: segments failed after applying  | 
| PostgreSQL query optimizer built a bad plan for replicated tables with indexes | 
| 
 | 
| 
 | 
| Power: a bogus compiler error during  | 
6.16.3
 
     Date: 03.08.2021
| Synced with upstream Greenplum Database 6.16.3 | 
| [6X backport]  | 
| 
 | 
| ADB bundle: defined adjustable parameters for ADBCC | 
| Implemented ADBCC 3.0.3 | 
| Fixed  | 
| [6X backport] Restricted execution for multi-level correlated queries | 
| 
 | 
6.16.2
 
     Date: 24.06.2021
| Synced with upstream Greenplum Database 6.16.2 | 
| [6X Backport] Shrinking of relation segment files to zero on  | 
| ADBCC: added JVM arguments for logging | 
| PXF: removed the tuple count check for JDBC queries  | 
| 
 | 
6.16.1
 
     Date: 03.06.2021
| Synced with upstream Greenplum Database 6.16.1 | 
| Implemented ADBCC 2.1.1 | 
| Kafka ADB Connector: allowed users to set custom  | 
| [6X backport] GPORCA fails with  | 
| [6X backport] The  | 
| ADB bundle: set a netcat timeout for sending monitoring metrics in AltLinux | 
| The PartitionSelector mechanism did not return tuples in case of the type mismatch | 
| 
 | 
| 
 | 
| Wrong CCNTs for plans dispatched after InitPlans were executed | 
| Removed redundant  | 
| An invalid variable specified in the segment directory path check in ADCM | 
6.15.0
 
     Date: 28.04.2021
| Added the  | 
| Kafka ADB connector: implemented signal handlers to interrupt consuming | 
| Ported ADB to Alt Linux 8.2 | 
| [6X backport PR 11625] pg_rewind: avoided removing files from the log directory | 
| Invalid values in the  | 
| Kafka ADB connector did not consider partitions empty when a query for their watermark offsets failed after a timeout | 
| [6X backport] GPORCA produced an incorrect plan for the  | 
 
     Date: 24.03.2021
| Synced with upstream Greenplum Database 6.15.0 | 
| Implemented switchover from master to standby via ADCM | 
| Kafka ADB connector: converting AVRO dates before UNIX epoch to the Greenplum Database representation | 
| Kafka ADB connector: the Greenplum Database representation of AVRO double numbers that have more than 6 digits after a radix point | 
| Kafka ADB connector: wrong interpretation for AVRO timestamps below zero | 
6.14.1
 
     Date: 03.03.2021
| Synced with upstream Greenplum Database 6.14.1 | 
| Added a link to the home ADBCC page, which is activated when a logo is clicked | 
| Removed online loading of static resources from the ADBCC web interface | 
| Resource group waiting queue corruption | 
| The  | 
| A cluster failed after the single segment host lost due to the FTS misbehavior | 
| A multiline text in the CSV output from  | 
6.13.0
 
     Date: 21.01.2021
| Synced with upstream Greenplum Database 6.13.0 | 
| Supported auxiliary relations for append-optimized tables to be used by the  | 
| Tkhemali-connector: avoided the intermediate conversion to a byte array | 
| Removed the obsolete batching options in ADQM connector (since the  | 
| Reduced logging of  | 
| Greenplum Database failed after the developer GUCs of PostgreSQL being activated | 
| GPORCA optimizer built inefficient query plans | 
| Column-wise statistics target parameters did not apply to partitioning tables | 
| Error with  | 
| Error in parsing decimal parts for time types | 
| Scaling applied incorrectly to decimal values with a length less than a precision | 
| Bumped to the latest version of additional components | 
6.12.1
 
     Date: 21.12.2020
| Synced with upstream Greenplum Database 6.12.1 | 
| Added the offset function to Kafka connector | 
| Added the rest committed function to Kafka ADB connector | 
| Implemented the text format for Kafka ADB connector | 
| Provided the  | 
| Supported AVRO logical types in Kafka ADB connector | 
| Switched to the new way of PostGIS installation | 
| Started to use  | 
| ADBCC disk space usage troubles in case of core dumps | 
| The  | 
| The  | 
| The  | 
| Wrong behavior with a grouping function | 
| An exclusive lock on any partitioned table locked the  | 
| A server locked the  |