Release v0.15.0

Release date: July 04, 2025

It is recommended to upgrade to v0.15.2

👍 Highlights

• Process Management: Implements complete process management system with ProcessManager,
  information_schema.process_list table, process killing functionality, and MySQL client
  Ctrl+C support for query termination (#5865, #6309, #6320).

• Bulk Insert Performance: Introducing SimpleBulkMemtable for tables without primary keys to
  accelerate bulk write operations (#6054).

• Partition Rule Checker: Introduces a robust point matrix-based partition rule checker that
  ensures completeness and uniqueness, eliminating false negatives and providing better error
  messages with specific uncovered/overlapped value ranges (#6431).

• Pipeline Integration: Adds pipeline support for Prometheus remote write and
  Loki API (#5981, #6390).

• VRL Processing: Introduces Vector Remap Language (VRL) processor for advanced data
  transformation within pipelines, allowing users to write VRL scripts for flexible data
  processing (#6205).

Dashboard

• Supports trace view
• Supports writing logs in the ingest panel

Breaking changes

• fix!: disable append mode in trace services table by @zyy17 in #6066
• feat!: revise compaction picker by @v0y4g3r in #6121
• refactor(cli)!: reorganize cli subcommands by @paomian in #6265
• feat!: point matrix based partition rule checker by @waynexia in #6431

🚀 Features

• feat: introduce RegionStatAwareSelector trait by @WenyXu in #5990
• feat: uddsketch_merge udaf by @discord9 in #5992
• feat: remove own greatest fn by @killme2008 in #5994
• feat: flush leader region before downgrading by @WenyXu in #5995
• feat: implement batch region opening in metric engine by @WenyXu in #6017
• feat: enhance maintenance mode API and handling by @WenyXu in #6022
• feat: optimize region migration concurrency with fine-grained table lock by @WenyXu in #6023
• feat(pipeline): auto transform by @shuiyisong in #6013
• feat: cast strings to numerics automatically in mysql connections by @evenyag in #6015
• feat(meta): enhance region lease handling with operating status by @WenyXu in #6027
• feat: bridge bulk insert by @v0y4g3r in #5927
• feat(pipeline): select processor by @shuiyisong in #6019
• feat: flow add static user/pwd auth by @discord9 in #6048
• feat: try cast timestamp types from number string by @waynexia in #6060
• feat: scan with sst minimal sequence by @MichaelScofield in #6051
• feat: update pgwire to 0.29 by @sunng87 in #6058
• feat: impl bulk memtable and bridge bulk inserts by @v0y4g3r in #6054
• feat: set read-preference for grpc client by @MichaelScofield in #6069
• feat: mem prof can gen flamegraph directly by @discord9 in #6073
• feat: add datanode workloads support by @WenyXu in #6055
• feat: implement PlainBatch struct by @evenyag in #6079
• feat(meta): add pusher deregister signal to mailbox receiver by @WenyXu in #6072
• feat: implement commutativity rule for prom-related plans by @waynexia in #5875
• feat(bulk): write to multiple time partitions by @v0y4g3r in #6086
• feat: don't hide atomic write dir by @waynexia in #6109
• feat: New scanner SeriesScan to scan by series for querying metrics by @evenyag in #5968
• feat: export to s3 add more options by @discord9 in #6091
• feat: Prometheus remote write with pipeline by @shuiyisong in #5981
• feat: implement clamp_min and clamp_max by @waynexia in #6116
• feat: introduce index result cache by @zhongzc in #6110
• feat: accommodate default column name with pre-created table schema by @waynexia in #6126
• feat: update dashboard to v0.9.1 by @ZonaHex in #6132
• feat: support altering multiple logical table in one remote write request by @waynexia in #6137
• feat: update dashboard to v0.9.2 by @ZonaHex in #6140
• feat(flow): support prom ql(in tql) in flow by @discord9 in #6063
• feat: add CLI tool to export metadata by @paomian in #6150
• feat: support parsing trigger create sql by @fengys1996 in #6197
• feat: supports @@session.time_zone for mysql by @killme2008 in #6210
• feat(wal): support bulk wal entries by @v0y4g3r in #6178
• feat(http): lossy string validation in prom remote write by @v0y4g3r in #6213
• feat: update pgwire to 0.30 by @sunng87 in #6209
• feat: support SQL parsing for trigger show by @fengys1996 in #6217
• feat: supports select @@session.time_zone by @killme2008 in #6212
• feat: bloom filter index applier support or eq chain by @zhongzc in #6227
• feat: pipeline with insert options by @shuiyisong in #6192
• feat: add trigger ddl manager by @fengys1996 in #6228
• feat(flow): flow streaming mode in list expr support by @discord9 in #6229
• feat: don't allow creating logical table with partitions by @waynexia in #6249
• feat(pipeline): vrl processor by @shuiyisong in #6205
• feat: add the gauge to indicate the CPU and Memory limit in the cgroups envrionment by @zyy17 in #6238
• feat: Support export cli export to OSS by @zqr10159 in #6225
• feat: add some metasrv metrics to grafana dashboard by @WenyXu in [#6264](https://github.c...

Release v0.16.0-nightly-20250630

What's Changed

• refactor: add otlp_export_protocol config to support export trace data through gRPC and HTTP protocol by @zyy17 in #6357
• feat: Support ListMetadataRequest to retrieve regions' metadata by @evenyag in #6348
• refactor: always write parent_span_id for otlp traces ingestion by @zyy17 in #6356
• feat: support mysql flavor show processlist shortcut (#6328) by @codephage2020 in #6379
• feat: implement automatic region failure detector registrations by @WenyXu in #6370
• refactor: scan Batches directly by @MichaelScofield in #6369
• refactor: remove staled manifest structures by @waynexia in #6382
• chore: clarify default OTLP endpoint value by @daviderli614 in #6381
• feat: support syntax parsing of drop trigger by @fengys1996 in #6371
• feat: supports CsvWithNames and CsvWithNamesAndTypes formats by @killme2008 in #6384
• refactor: avoid adding feature to parameter by @fengys1996 in #6391
• feat: implement count_hash aggr function by @waynexia in #6342
• chore: add components for standalone instance by @fengys1996 in #6383
• feat: introduce /v1/health for healthcheck from external by @sunng87 in #6388
• feat: update dashboard to v0.10.1 by @ZonaHex in #6396
• refactor(object-store): move backends building functions back to object-store by @v0y4g3r in #6400
• fix(http): apply string validation mode to pipeline processor by @v0y4g3r in #6378
• test: add a test load configuration example for flownode by @daviderli614 in #6397
• fix: sqlness_test show_processList by @codephage2020 in #6401
• feat: implement pause/resume functionality for procedure manager by @WenyXu in #6393
• fix: doc issue assignee by @nicecui in #6406
• feat: remove own pow fn by @codephage2020 in #6404
• ci: try to fix the job permissions by @daviderli614 in #6407
• refactor: rename test show_processList to show_process_list by @evenyag in #6408
• refactor: move #[allow(clippy::print_stdout)] to lib level by @WenyXu in #6398
• feat: override logical table's partition key indices by @fengjiachun in #6385
• feat: Collider for playing with PartitionRule by @waynexia in #6399
• fix: complete partial index search results in cache by @zhongzc in #6403
• chore: correct typo in configuration by @WenyXu in #6411
• fix: skip failing nodes when gathering porcess info by @v0y4g3r in #6412
• refactor: pass pipeline name through http header and get db from query context by @zyy17 in #6405
• feat(pipeline): support Loki API by @shuiyisong in #6390
• feat: add trigger-related error code by @fengys1996 in #6419
• fix: add cfg for DecodeSqlValue error by @fengys1996 in #6420
• chore: bump version to 0.16 by @evenyag in #6417

New Contributors

• @codephage2020 made their first contribution in #6379

Full Changelog: v0.15.0-nightly-20250623...v0.16.0-nightly-20250630

Release v0.15.0-nightly-20250623

What's Changed

• fix: handle corner case in catchup where compacted entry id exceeds region last entry id by @WenyXu in #6312
• feat: bulk support flow batch by @v0y4g3r in #6291
• fix: ignore missing columns and tables in PromQL by @evenyag in #6285
• feat: support arbitrary constant expression in PromQL function by @waynexia in #6315
• ci: add pr label workflow by @daviderli614 in #6316
• feat: support special labels parsing in prom remote write by @shuiyisong in #6302
• feat: handle Ctrl-C command in MySQL client by @v0y4g3r in #6320
• refactor: make flownode gRPC services able to be added dynamically by @fengys1996 in #6323
• chore: add skip error for pipeline skip error log by @paomian in #6318
• fix: override logical table's partition column with physical table's by @waynexia in #6326
• chore: clean up unused impl &standalone use mark dirty by @discord9 in #6331
• feat: Add DROP DEFAULT by @linyihai in #6290
• fix: carry process id in query ctx by @v0y4g3r in #6335
• fix: revert string builder initial capacity in TimeSeriesMemtable by @v0y4g3r in #6330
• feat: introduce CLI tool for repairing logical table metadata by @WenyXu in #6322
• feat: support setting FORMAT in TQL ANALYZE/VERBOSE by @waynexia in #6327
• fix(metric): prevent setting memtable type for metadata region by @WenyXu in #6340
• fix(jaeger-api): incorrect find_traces() logic and multiple api compatible issues by @zyy17 in #6293
• chore: add metrics for active series and field builders by @v0y4g3r in #6332
• fix: add path exist check in copy_table_from (#6182) by @Arshdeep54 in #6300
• refactor: make finding leader in metasrv client dynamic by @MichaelScofield in #6343
• chore: print series count after wal replay by @v0y4g3r in #6344
• chore(deps): switch greptime-proto to official repository by @fengys1996 in #6347
• fix: reordered write cause incorrect kv by @v0y4g3r in #6345
• fix(metric-engine): properly propagate errors during batch open operation by @WenyXu in #6325
• chore: security updates by @sunng87 in #6351
• feat(cli): add metadata del commands by @WenyXu in #6339
• feat: support execute sql in frontend_client by @fengys1996 in #6355
• fix(meta): enhance mysql election client with timeouts and reconnection by @WenyXu in #6341
• refactor: make metadata region option opt-in by @sunng87 in #6350
• refactor: make scanner creation async by @MichaelScofield in #6349
• feat: dist auto step aggr pushdown by @discord9 in #6268
• feat(storage): Add skip_ssl_validation option for object storage HTTP client by @rgidda in #6358
• docs: added YouTube link to documentation by @Olexandr88 in #6362
• refactor(cli): simplify metadata command parameters by @WenyXu in #6364
• chore: prints a warning when skip_ssl_validation is true by @evenyag in #6367
• fix: test test_tls_file_change_watch by @killme2008 in #6366
• feat: update dashboard to v0.10.0 by @ZonaHex in #6368
• feat(pipeline): introduce pipeline doc version 2 for combine-transform by @shuiyisong in #6360

New Contributors

• @Arshdeep54 made their first contribution in #6300
• @rgidda made their first contribution in #6358
• @Olexandr88 made their first contribution in #6362

Full Changelog: v0.15.0-nightly-20250616...v0.15.0-nightly-20250623

Release v0.12.1

What's Changed

• feat: expose virtual_host_style config for s3 storage (#5696) by @waynexia in #6374
• chore: bump version to 0.12.1 by @waynexia in #6375
• ci: update 0.12 ci to latest by @evenyag in #6376

Full Changelog: v0.12.0...v0.12.1

Release v0.15.0-nightly-20250616

What's Changed

• refactor: respect data_home as root data home directory by @zyy17 in #6050
• feat: add some metasrv metrics to grafana dashboard by @WenyXu in #6264
• feat: disable compression for do_get API by @v0y4g3r in #6254
• ci: refactor bump downstream versions worflow and adds demo-scene by @killme2008 in #6171
• refactor: support to get trace id with time range by @zyy17 in #6236
• fix: export metrics settings in sample config by @killme2008 in #6170
• chore: improve CI debugging and resource configuration by @WenyXu in #6274
• fix(meta): enhance postgres election client with timeouts and reconnection by @WenyXu in #6276
• feat: refactor grpc options of metasrv by @fengjiachun in #6275
• refactor: unify function registry (Part 1) by @zhongzc in #6262
• fix: null value handling on PromQL's join by @waynexia in #6289
• ci: add signature information when updating downstream repository by @daviderli614 in #6282
• refactor(cli)!: reorganize cli subcommands by @paomian in #6265
• chore: add option for arrow flight compression mode by @v0y4g3r in #6283
• fix: config docs by @v0y4g3r in #6294
• chore: silence clippy by @discord9 in #6298
• feat(cli): add metadata get commands by @WenyXu in #6299
• refactor: remove PipelineMap and use Value instead by @shuiyisong in #6278
• chore: add failover cache for pipeline table by @paomian in #6284
• ci: use the new meta backendStorage etcd structure by @daviderli614 in #6303
• fix: doc links by @nicecui in #6304
• feat: implement process manager and information_schema.process_list by @v0y4g3r in #5865
• feat: support using expressions as literal in PromQL by @waynexia in #6297
• feat: introduce file group in compaction by @v0y4g3r in #6261
• feat: organize EXPLAIN ANALYZE VERBOSE's output in JSON format by @waynexia in #6308
• feat: parallelism hint in grpc by @discord9 in #6306
• fix: check for zero parallelism by @discord9 in #6310
• feat: process id for session, query context and postgres by @sunng87 in #6301
• feat: update dashboard to v0.9.3 by @ZonaHex in #6311
• refactor: Extract mito codec part into a new crate by @evenyag in #6307
• fix: always use linux path style in windows platform unit tests by @zyy17 in #6314
• feat: support killing process by @v0y4g3r in #6309
• chore: add connection info to QueryContext by @v0y4g3r in #6319
• fix: event api content type only check type and subtype by @paomian in #6317

Full Changelog: v0.15.0-nightly-20250609...v0.15.0-nightly-20250616

Release v0.15.0-nightly-20250609

What's Changed

• feat: supports select @@session.time_zone by @killme2008 in #6212
• docs: fix bad link by @daviderli614 in #6222
• chore: add some metrics to grafana dashboard by @v0y4g3r in #6169
• chore: add pg mysql be default feature in cli by @paomian in #6230
• feat: bloom filter index applier support or eq chain by @zhongzc in #6227
• fix(mito): revert initial builder capacity for TimeSeriesMemtable by @v0y4g3r in #6231
• refactor: extract some common functions and structs in election module by @CookiePieWw in #6172
• refactor(flow): limit the size of query by @discord9 in #6216
• feat: pipeline with insert options by @shuiyisong in #6192
• fix: do not accommodate fields for multi-value protocol by @evenyag in #6237
• ci: add option to choose whether upload artifacts to S3 in the development build by @daviderli614 in #6232
• feat: add trigger ddl manager by @fengys1996 in #6228
• fix: add missing features by @MichaelScofield in #6245
• feat(flow): flow streaming mode in list expr support by @discord9 in #6229
• chore: test sleep longer by @discord9 in #6247
• fix: add "query" options to standalone by @MichaelScofield in #6248
• fix: ignore incomplete WAL entries during read by @WenyXu in #6251
• chore: allow numberic values in alter statements by @v0y4g3r in #6252
• chore: pub flow info by @discord9 in #6253
• feat: don't allow creating logical table with partitions by @waynexia in #6249
• fix: convert JSON type to JSON string in COPY TABLE TO statment by @WenyXu in #6255
• fix: skip wal replay when opening follower regions by @WenyXu in #6234
• ci: increase upload s3 retry times by @daviderli614 in #6263
• feat(pipeline): vrl processor by @shuiyisong in #6205
• chore: support table suffix in hint by @shuiyisong in #6223
• feat: add the gauge to indicate the CPU and Memory limit in the cgroups envrionment by @zyy17 in #6238
• feat: Support export cli export to OSS by @zqr10159 in #6225
• fix(mito): use 1day as default time partition duration by @v0y4g3r in #6202

New Contributors

• @zqr10159 made their first contribution in #6225

Full Changelog: v0.15.0-nightly-20250602...v0.15.0-nightly-20250609

Release v0.14.4

Release date: June 04, 2025

🐛 Bug Fixes

• fix: set column index can't work in physical table by @killme2008 in #6179
• fix(mito): revert initial builder capacity for TimeSeriesMemtable by @v0y4g3r in #6231
• fix: do not accommodate fields for multi-value protocol by @evenyag in #6237

⚙️ Miscellaneous Tasks

• chore: upgrade hydroflow depend by @discord9 in #6011
• chore: rm unnecessary depend for flow by @discord9 in #6047
• chore: bump version to 0.14.4 by @zhongzc in #6246

All Contributors

We would like to thank the following contributors from the GreptimeDB community:

@discord9, @evenyag, @killme2008, @v0y4g3r, @zhongzc

Release v0.15.0-nightly-20250602

What's Changed

• fix: set column index can't work in physical table by @killme2008 in #6179
• fix: add simple test for rds kv backend by @paomian in #6167
• refactor: replace FlightMessage with arrow RecordBatch and Schema by @v0y4g3r in #6175
• chore: change info to debug for scanning physical table by @killme2008 in #6180
• fix(promql): handle field column projection with correct qualifier by @WenyXu in #6183
• fix: alter table update table column default by @discord9 in #6155
• feat: add CLI tool to export metadata by @paomian in #6150
• docs: nit from github -> GitHub by @yihong0618 in #6199
• chore: correct some CAS ordering args by @fengjiachun in #6200
• chore: add metrics for rds kv backend by @paomian in #6201
• chore: switch nix index to 25.05 release by @sunng87 in #6181
• fix: remove poison key before retrying procedure on retryable errors by @WenyXu in #6189
• chore: fix feature gates for pg and mysql kvbackend by @WenyXu in #6211
• feat: support parsing trigger create sql by @fengys1996 in #6197
• feat: supports @@session.time_zone for mysql by @killme2008 in #6210
• feat(wal): support bulk wal entries by @v0y4g3r in #6178
• chore: fix rds kv backend test by @paomian in #6214
• feat(http): lossy string validation in prom remote write by @v0y4g3r in #6213
• feat: update pgwire to 0.30 by @sunng87 in #6209
• feat: support SQL parsing for trigger show by @fengys1996 in #6217
• chore: example of http config in metasrv by @fengjiachun in #6218
• chore: clear metadata filed after updating metadata by @fengjiachun in #6215
• chore: shared pipeline under same catalog with compatibility by @shuiyisong in #6143
• fix: remove stale region failover detectors by @WenyXu in #6221

Full Changelog: v0.15.0-nightly-20250526...v0.15.0-nightly-20250602

Release v0.15.0-nightly-20250526

What's Changed

• feat: Prometheus remote write with pipeline by @shuiyisong in #5981
• fix: flow update use proper update by @discord9 in #6108
• ci: fix release job dependencies by @sunng87 in #6125
• chore: remove etcd from acknowledgement as not recommended by @waynexia in #6127
• feat: implement clamp_min and clamp_max by @waynexia in #6116
• feat: introduce index result cache by @zhongzc in #6110
• chore: Add more data format support to the pipeline dryrun api. by @paomian in #6115
• ci: add pull requests permissions to semantic check job by @evenyag in #6130
• chore: enable github folder typo check and fix typos by @yinheli in #6128
• chore: update toolchain to 2025-05-19 by @shuiyisong in #6124
• feat: accommodate default column name with pre-created table schema by @waynexia in #6126
• chore: reduce unnecessary txns in alter operations by @fengjiachun in #6133
• fix: update dev-build image tag by @daviderli614 in #6136
• feat: update dashboard to v0.9.1 by @ZonaHex in #6132
• feat: support altering multiple logical table in one remote write request by @waynexia in #6137
• chore: update flush failure metric name and update grafana dashboard by @v0y4g3r in #6138
• feat: update dashboard to v0.9.2 by @ZonaHex in #6140
• chore: remove stale wal config entries by @waynexia in #6134
• docs: change docker run mount directory by @daviderli614 in #6142
• fix: flaky prom gateway test by @v0y4g3r in #6146
• fix: region worker stall metrics by @v0y4g3r in #6149
• ci: add issues write permission by @daviderli614 in #6145
• feat(flow): support prom ql(in tql) in flow by @discord9 in #6063
• fix(flow): flow task run interval by @discord9 in #6100
• fix: ident value in set search_path by @sunng87 in #6153
• fix: require input ordering in series divide plan by @waynexia in #6148
• chore: add the missing v prefix for NEXT_RELEASE_VERSION variable by @zyy17 in #6160
• ci: turn off fail fast strategy by @waynexia in #6157
• feat!: revise compaction picker by @v0y4g3r in #6121
• fix: invalid table flow mapping cache by @discord9 in #6135
• perf: optimize bulk encode decode by @v0y4g3r in #6161
• chore: metasrv starting not blocking by @discord9 in #6158
• fix: bulk insert case sensitive by @v0y4g3r in #6165

New Contributors

• @yinheli made their first contribution in #6128

Full Changelog: 0.15.0-nightly-20250519...v0.15.0-nightly-20250526

Release v0.14.3

Release date: May 23, 2025

🚀 Features

• feat: don't hide atomic write dir by @waynexia in #6109
• feat: accommodate default column name with pre-created table schema by @waynexia in #6126
• feat: support altering multiple logical table in one remote write request by @waynexia in #6137

🐛 Bug Fixes

• fix: reset tags when creating an empty metric in prom call by @evenyag in #6056
• fix: flownode chose fe randomly&not starve lock by @discord9 in #6077
• fix: append noop entry when auto topic creation is disabled by @WenyXu in #6092
• fix(flow): flow task run interval by @discord9 in #6100
• fix: flow update use proper update by @discord9 in #6108
• fix: clean files under the atomic write dir on failure by @evenyag in #6112
• fix: update promql-parser for regex anchor fix by @waynexia in #6117
• fix: require input ordering in series divide plan by @waynexia in #6148
• fix: ident value in set search_path by @sunng87 in #6153

⚙️ Miscellaneous Tasks

• chore: reduce unnecessary txns in alter operations by @fengjiachun in #6133
• chore: invalid table flow mapping cache by @discord9 in #6135
• chore: bump version to 0.14.3 by @zhongzc in #6168

All Contributors

We would like to thank the following contributors from the GreptimeDB community:

@WenyXu, @discord9, @evenyag, @fengjiachun, @sunng87, @waynexia, @zhongzc