v0.8.1 ​

Release date: May 30, 2024

This is a patch release, containing some important bug fix for flow's continuous aggregating in #4018

It's highly recommended to upgrade to this version if you're using v0.8.0.

🚀 Features ​

• feat: avoid some cloning when mirror requests to flownode by @fengjiachun in #4068
• feat: use cache in compaction by @evenyag in #3982
• feat: support compression on gRPC server by @shuiyisong in #3961
• feat: Adds RegionScanner trait by @evenyag in #3948
• feat: make create view procedure simple as others by @fengjiachun in #4001
• feat: respect time range when building parquet reader by @v0y4g3r in #3947
• feat: manual compaction by @v0y4g3r in #3988
• feat: add fallback logic for vmagent sending wrong content type by @sunng87 in #4009
• feat: Add TLS support for gRPC service by @realtaobo in #3957
• feat: remove one clone on constructing partition by @waynexia in #4028
• feat: add RawEntryReader and OneshotWalEntryReader trait by @WenyXu in #4027
• feat: round-robin selector by @waynexia in #4024
• feat: implement the LogStoreRawEntryReader and RawEntryReaderFilter by @WenyXu in #4030
• feat: support table level comment by @irenjj in #4042
• feat(operator): check if a database is in use before dropping it by @etolbakov in #4035
• feat: change EXPIRE WHEN to EXPIRE AFTER by @waynexia in #4002
• feat: enable tcp keepalive for http server by @MichaelScofield in #4019
• feat: invoke flush_table and compact_table in fuzz tests by @WenyXu in #4045
• feat: open region in background by @WenyXu in #4052
• feat: Implement SHOW STATUS by @LYZJU2019 in #4050
• feat: Implements row group level parallel unordered scanner by @evenyag in #3992

🐛 Bug Fixes ​

• fix(flow): correctness bugs by @discord9 in #4018

• fix: try to fix broken CI by @WenyXu in #3998

• fix: move log_version() into build() of App to fix no log version on bootstrap by @zyy17 in #4004

• fix: try to fix unstable fuzz test by @WenyXu in #4003

• fix: can't print log because the tracing guard is dropped by @zyy17 in #4005

• fix(fuzz): sort inserted rows with primary keys and time index by @CookiePieWw in #4008

• fix: notifies all workers once a region is flushed by @evenyag in #4016

• fix(fuzz-tests): avoid to drop in-use database by @WenyXu in #4049

• fix(metric-engine): missing catchup implementation by @WenyXu in #4048

• fix: set local or session time_zone not work by @killme2008 in #4064

• fix: avoid acquiring lock during reading stats by @WenyXu in #4070

🚜 Refactor ​

• refactor: make the command entry cleaner by @zyy17 in #3981
• refactor: replace Expr with datafusion::Expr by @realtaobo in #3995
• refactor: remove unused log config by @v0y4g3r in #4021
• refactor(fuzz-tests): generate ts value separately by @WenyXu in #4056
• refactor: move Database to client crate behind testing feature by @tisonkun in #4059
• refactor(log_store): remove associated type Namespace and Entry in LogStore by @WenyXu in #4038

📚 Documentation ​

• docs: add toc for config docs by @zyy17 in #3974
• docs: add v0.8.0 TSBS report by @evenyag in #3983

⚙️ Miscellaneous Tasks ​

• ci: report CI failures with creating issues by @tisonkun in #3976
• chore: change binary array type from LargeBinaryArray to BinaryArray by @etolbakov in #3924
• chore: pin cargo-ndk to 3.5.4 by @WenyXu in #3979
• ci: check-status for nightly-ci by @tisonkun in #3984
• ci: fixup strings in check ci status by @tisonkun in #3987
• ci: add 'contents: write' permission by @zyy17 in #3989
• chore: remove a dbg! forget to remove by @discord9 in #3990
• chore(ci): add fuzz tests for distributed mode by @WenyXu in #3967
• ci: change the image name of nightly build by @zyy17 in #3994
• chore(ci): export kind logs by @WenyXu in #3996
• chore: add ttl to write_cache by @shuiyisong in #4010
• chore: log error for detail by @fengjiachun in #4011
• chore(ci): add more replicas by @WenyXu in #4015
• ci: skip notification for manual releases by @tisonkun in #4033
• chore: add logs for setting the region to writable by @WenyXu in #4044
• chore: add LAST_SENT_HEARTBEAT_ELAPSED metric by @WenyXu in #4062
• chore: bump to v0.8.1 by @discord9 in #4055

Build ​

• build(deps): upgrade promql-parser to 0.4 by @tisonkun in #4047
• build(deps): merge tower deps to workspace by @tisonkun in #4036
• build(deps): upgrade opendal to 0.46 by @tisonkun in #4037

New Contributors ​

• @LYZJU2019 made their first contribution in #4050

All Contributors ​

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

@CookiePieWw, @LYZJU2019, @MichaelScofield, @WenyXu, @discord9, @etolbakov, @evenyag, @fengjiachun, @irenjj, @killme2008, @realtaobo, @shuiyisong, @sunng87, @tisonkun, @v0y4g3r, @waynexia, @zyy17