v0.9.2

Release date: August 19, 2024

👍 Highlights

• #4545: Improve the performance of count(*) for append-only tables.
• #4552: Allow more than one segment for full-text index to handle a large number of rows.

🚀 Features

• feat: introduce new kafka topic consumer respecting WAL index by @WenyXu in #4424
• feat: flow recreate on reboot by @discord9 in #4509
• feat: change the default selector to RoundRobin by @fengjiachun in #4528
• feat: add SASL and TLS config for Kafka client by @WenyXu in #4536
• feat(log_store): introduce the IndexCollector by @WenyXu in #4461
• feat(flow): add some metrics by @discord9 in #4539
• feat(flow): add eval_batch for ScalarExpr by @discord9 in #4551
• feat: implement postgres kvbackend by @lyang24 in #4421
• feat: add GcsConfig credential field by @daviderli614 in #4568
• feat: able to handle concurrent region edit requests by @MichaelScofield in #4569
• feat(log_store): introduce the CollectionTask by @WenyXu in #4530

🐛 Bug Fixes

• fix(tql): avoid unwrap on parsing tql query by @waynexia in #4502
• fix: too large shadow-rs consts by @MichaelScofield in #4506
• fix: fix incorrect result of topk with cte by @waynexia in #4523
• fix: install script by @v0y4g3r in #4527
• fix: larger stack size in debug mode by @discord9 in #4521
• fix: rollback only if dropping the metric physical table fails by @WenyXu in #4525
• fix: configuration example for selector by @sunng87 in #4532
• fix: change the type of oid in pg_namespace to u32 by @J0HN50N133 in #4541
• fix: append table stats by @v0y4g3r in #4561
• fix(fulltext-index): single segment is not sufficient for >50M rows SST by @zhongzc in #4552
• fix(common_version): short_version with empty branch by @leaf-potato in #4572
• fix(sqlness): redact all volatile text by @v0y4g3r in #4583

🚜 Refactor

• refactor: reuse aligned ts array in range manipulate exec by @waynexia in #4535
• refactor(plugin): add SetupPlugin and StartPlugin error by @zyy17 in #4554

📚 Documentation

• docs: add v0.9.1 bench result by @evenyag in #4511
• docs: Adds more panels to grafana dashboards by @evenyag in #4540
• docs: update grafana readme by @evenyag in #4550

⚡ Performance

• perf: merge small byte ranges for optimized fetching by @WenyXu in #4520
• perf: count(*) for append-only tables by @v0y4g3r in #4545
• perf: Optimizing pipeline performance by @paomian in #4390

🧪 Testing

• test: more on processors by @shuiyisong in #4493

⚙️ Miscellaneous Tasks

• chore: bump opendal version to 0.48 by @WenyXu in #4499
• chore: bump shadow-rs version to set the path to find the correct git repo by @MichaelScofield in #4494
• chore: bump rust-postgres to 0.7.11 by @WenyXu in #4504
• chore: reduce fuzz tests in CI by @WenyXu in #4505
• chore: set default otlp_endpoint by @WenyXu in #4508
• chore: support swcs as the short name for strict window compaction by @v0y4g3r in #4517
• ci: squeeze some disk space for complex fuzz tests by @MichaelScofield in #4519
• ci: fix windows temp path by @evenyag in #4518
• chore: use configData by @WenyXu in #4522
• chore: update snafu to make clippy happy by @MichaelScofield in #4507
• ci: download the latest stable released version by default and do some small refactoring by @zyy17 in #4529
• chore: make mysql server version changeable by @MichaelScofield in #4531
• chore: upload kind logs by @WenyXu in #4544
• chore: update validator signature by @shuiyisong in #4548
• chore: Helper function to convert Vec<Value> to VectorRef by @discord9 in #4546
• chore: set topic to 3 for sqlness test by @discord9 in #4560
• chore: remove unused code by @WenyXu in #4559
• chore(log_store): remove redundant metrics by @WenyXu in #4570
• chore: bump version to v0.9.2 by @zhongzc in #4581
• chore: setup kafka before downloading binary step by @WenyXu in #4582

Build

• build(deps): bump zerovec-derive from 0.10.2 to 0.10.3 by @dependabot[bot] in #4346
• build(deps): bump zerovec from 0.10.2 to 0.10.4 by @dependabot[bot] in #4335

All Contributors

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

@J0HN50N133, @MichaelScofield, @WenyXu, @daviderli614, @discord9, @evenyag, @fengjiachun, @leaf-potato, @lyang24, @paomian, @shuiyisong, @sunng87, @v0y4g3r, @waynexia, @zhongzc, @zyy17