Databend Dev Blog

Databend  aimed to be an open source  elastic  and  reliable  cloud warehouse, it offers blazing fast query and combines elasticity, simplicity, low cost of the cloud, built to make the Data Cloud easy. Big changes Below is a list of some major changes that we don’t want you to miss. Features add system.metrics table  by  @flaneur2020 . ( #2349 ) a simple rest api (http handler) for query  by  @youngsofun . ( #2379 ) new features for cli  by  @ZhiHanZ , like support admin and sql mode in interactive scenario  ( #2448 ) query via http  ( #2417 ) Improvement add tokio runtime memory tracker  by  @zhang2014 . ( #2356 ) enable VerifiableExpression in fuse table  by  @dantengsky . ( #2369 ) remote backend for fuse table  by  @dantengsky . ( #2355 ) move some cli commands from sync to async  by  @yufan022  ( #2297 ) store TableInfo to sled tree  by  @ariesdevil . ( #2387 ) a...

Databend   aimed to be an open source   elastic   and   reliable   cloud warehouse, it offers blazing fast query and combines elasticity, simplicity, low cost of the cloud, built to make the Data Cloud easy. Big changes Below is a list of some major changes that we don’t want you to miss. Features new features for cli  by  @ZhiHanZ , like support mirror  ( #2267 ) support query  ( #2323 ) store Database in sled  by  @drmingdrmer  ( #2237 ) add RangeFilter for index pruning  by  @zhyass . ( #2256 ) add mem alloc and derive macro  by  @Veeupup . ( #2299 ) add toHour/toMinute/ToSecond   @GrapeBaBa  ( #2309 ) add toMonday function  by  @sundy-li . ( #2317 ) add azure blob DAL  by  @junli1026  ( #2330 ) Improvement fuse table append/read (local mode only)  by  @dantengsky . ( #2214 ) store StateMachine::client_last_resp in sled::Tree  by  @ariesdevil . ( #222...

Databend is an open source   elastic   and   scalable   cloud warehouse, it offers blazing fast query and combines elasticity, simplicity, low cost of the cloud, built to make the Data Cloud easy. Databend is intended for executing workloads with data stored in cloud storage systems, such as AWS S3 and Azure Blob Storage or others. We design Databend with the following key functionalities in mind: Elastic  In Databend storage and compute resources can dynamically scale up and down on demand. Secure  All data files and network traffic in Databend is encrypted end-to-end, and provider  Role Based Access Control  in SQL level. User-friendly  Databend is an ANSI SQL compliant cloud warehouse, it is easy for data scientist and engineers to use. Cost-efficient  Databend processes queries with high performance, and the user only pays for what is actually used. The picture above shows the high-level architecture of Databend, it consists of three...