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Apache Doris 3.0.5 Released

Apache Doris

Dear community members, the Apache Doris 3.0.5 version was officially released on April 28, 2025, this version introduces continuous upgrades and enhancements in several key areas, including Lakehouse, Asynchronous Materialized Views, Semi-structured Data Management and more.

Quick Download: https://doris.apache.org/download/

GitHub Release: https://github.com/apache/doris/releases

New Features​

Lakehouse​

  • Added Catalog/Database/Table quantity monitoring metrics to FE Metrics (#47891)
  • MaxCompute Catalog now supports Timestamp type (#48768)

Query Execution​

  • Added URL processing functions: top_level_domain, first_significant_subdomain, cut_to_first_significant_subdomain (#42488)
  • Added year_of_week function with Trino-compatible implementation (#48870)
  • percentile_array function now supports Float and Double data types (#48094)

Storage-Compute Separation​

  • Added compute group renaming support (#46221)

Improvements​

Storage​

  • Accelerated Compaction task generation to improve performance (#49547)
  • Stream Load now supports compressed JSON file ingestion (#49044)
  • Enhanced error messages for various ingestion scenarios (#48436 #47721 #47804 #48638 #48344 #49287 #48009)
  • Added multiple metrics for Routine Load (#49045 #48764)
  • Optimized Routine Load scheduling algorithm to prevent single job failure from affecting overall scheduling (#47847)
  • Added Routine Load system table (#49284)
  • Improved query performance for Merge-On-Write (MOW) tables under high-frequency ingestion (#48968)
  • Enhanced Profile information display for Key Range queries (#48191)

Compute-Storage Decoupled​

Lakehouse​

  • Optimized BE Scanner closure logic for Trino Connector Catalog to accelerate memory release (#47857)
  • ClickHouse JDBC Catalog now auto-adapts to different driver versions (#46026)

Asynchronous Materialized Views​

  • Enhanced planning performance for transparent rewrite (#48782)
  • Optimized tvf mv_infos performance (#47415)
  • Disabled catalog metadata refresh during external table-based MV construction to reduce memory usage (#48767)

Query Optimizer​

  • Improved statistics collection performance for key columns and partition columns (#46534)
  • Query result aliases now strictly match user input (#47093)
  • Enhanced column pruning after common subexpression extraction in aggregation operators (#46627)
  • Improved error messages for function binding failures and unsupported subqueries (#47919 #47985)

Semi-structured Data Management​

  • json_object function now supports complex type parameters (#47779)
  • Added support for writing UInt128 to IPv6 type (#48802)
  • Enabled inverted index support for ARRAY fields in VARIANT type (#47688 #48117)

Security​

  • Improved Ranger authorization performance (#49352)

Others​

  • Optimized JVM Metrics interface performance (#49380)

Bug Fixes​

Storage​

  • Fixed data correctness issues in several edge cases (#48056 #48399 #48400 #48748 #48775 #48867 #49165 #49193 #49350 #49710 #49825)
  • Fixed untimely cleanup of completed transactions (#49564)
  • Changed JSONB default value to {} for partial column updates (#49066)
  • Fixed delete bitmap update lock release issue in Storage-Compute Separation model (#47766)
  • Fixed data loss in Stream Load on ARM architecture (#49666)
  • Fixed missing error URL return for data quality issues in Insert Into Select (#49687)
  • Fixed error URL reporting for multi-table Routine Load data quality issues (#49130)
  • Fixed incorrect results when using Insert Into Values during Schema Change (#49338)
  • Fixed core dump caused by tablet commit info reporting (#48732)
  • Added Azure China region support for S3 Load (#48642)
  • Fixed "get image failed" error in K8s environment (#49072)
  • Reduced CPU consumption in dynamic partition scheduling (#48577)
  • Fixed column exception after materialized view renaming (#48328)
  • Fixed memory and file cache leakage after failed Schema Change (#48426)
  • Fixed base compaction failure for tables with empty partitions (#49062)
  • Fixed data correctness issues in complex type modifications (#49452)
  • Fixed core dump in cold compaction (#48329)
  • Fixed cumulative point stagnation with delete operations (#47282)
  • Fixed memory insufficiency in large-scale full compaction (#48958)

Compute-Storage Decoupled​

  • Fixed file cache cleanup failure in K8s environment (#49199)
  • Fixed FE CPU spike caused by read-write locks during high-frequency ingestion (#48564)

Lakehouse​

Data Lakes

  • Fixed BE core dump during concurrent writes to Hive/Iceberg tables (#49842)
  • Fixed write failures to Hive/Iceberg tables on AWS S3 (#47162)
  • Fixed incorrect Iceberg Position Deletion reads (#47977)
  • Added Tencent Cloud COS support for Iceberg table creation (#49885)
  • Fixed Kerberos authentication for Paimon data on HDFS (#47192)
  • Fixed memory leak in Hudi Jni Scanner (#48955)
  • Fixed multi-partition list reading in MaxCompute Catalog (#48325)

JDBC

  • Fixed NPE when fetching row count from JDBC Catalog (#49442)
  • Fixed OceanBase Oracle mode connection test (#49442)
  • Fixed column type length inconsistency in concurrent JDBC Catalog access (#48541)
  • Fixed Classloader leak in JDBC Catalog BE (#46912)
  • Fixed connection thread leak in PostgreSQL JDBC Catalog (#49568)

Export

  • Fixed EXPORT job stuck in EXPORTING state (#47974)
  • Disabled OUTFILE auto-retry to prevent duplicate files (#48095)

Others

  • Fixed NPE when executing TVF queries via FE WebUI (#49213)
  • Fixed Hadoop Libhdfs thread local null pointer exception (#48280)
  • Fixed "Filesystem already closed" error in FE Hadoop access (#48351)
  • Fixed Catalog comment persistence issue (#46946)
  • Fixed Parquet complex type reading errors (#47734)

Asynchronous Materialized Views​

  • Fixed slow MV construction in extreme scenarios (#48074)
  • Fixed nested MV transparent rewrite failure (#48222)

Query Optimizer​

Query Execution​

  • Fixed pipeline task scheduling deadlocks/performance issues (#49976 #49007)
  • Fixed memory corruption on FE connection failure (#48370 #48313)
  • Fixed memory corruption with lambda and array functions (#49140)
  • Fixed BE core caused by null string-to-JSONB conversion (#49810)
  • Standardized undefined behaviors in parse_url (#49149)
  • Fixed array_overlap null handling (#49403)
  • Fixed case conversion errors for non-ASCII characters (#49763)
  • Fixed BE core in percentile function (#48563)
  • Fixed multiple memory corruption issues (#48288 #49737 #48018 #47964)
  • Fixed incorrect SET operator results (#48001)
  • Reduced default Arrow Flight thread pool size to prevent FD exhaustion (#48530)
  • Fixed window function memory corruption (#48458)

Semi-structured Data Management​

  • Fixed chunked Stream Load JSON import (#48474)
  • Enhanced JSONB format validation (#48731)
  • Fixed crash with large STRUCT fields (#49552)
  • Extended VARCHAR length support in complex types (#48025)
  • Fixed array_avg crash with specific parameters (#48691)
  • Fixed ColumnObject::pop_back crash in VARIANT type (#48935 #48978)
  • Disabled index building on VARIANT type (#49844)
  • Disabled inverted index v1 format for VARIANT type (#49890)
  • Fixed multi-layer CAST errors in VARIANT type (#47954)
  • Optimized inverted index metadata lookup for VARIANT with many subcolumns (#48153)
  • Reduced VARIANT schema memory consumption in Storage-Compute Separation mode (#47629 #48463)
  • Fixed PreparedStatement ID overflow (#48116)
  • Fixed row storage with DELETE operations (#49609)

Inverted Index​

  • Fixed ARRAY type null bitmap handling (#48052)
  • Fixed Date/Datetimev1 Bloomfilter comparison (#47005)
  • Fixed UTF-8 4-byte character truncation (#48792)
  • Fixed index loss after immediate column addition (#48547)
  • Fixed empty data handling in ARRAY inverted index (#48264)
  • Improved FE metadata upgrade compatibility (#49283)
  • Fixed match_phrase_prefix cache error (#46517)
  • Fixed file cache cleanup after compaction (#49738)

Security​

  • Removed Select_Priv check for DELETE operations (#49239)
  • Prevented non-root users from modifying root privileges (#48752)
  • Fixed intermittent LDAP PartialResultException (#47858)

Others​

  • Fixed JAVA_OPTS_FOR_JDK_17 recognition (#48170)
  • Fixed BDB metadata write failure caused by InterruptException (#47874)
  • Improved SQL hash generation for multi-statement requests (#48242)
  • User attribute variables now override session variables (#48548)
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