cloudberry
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apache
One advanced and mature open-source MPP (Massively Parallel Processing) database. Open source alternative to Greenplum Database.
Guc enable_nestloop is default false in GPDB. (The reason may be that nestloop join in GPDB need broadcast motion with hight cost). But it will result in different plan with...
### Cloudberry Database version _No response_ ### What happened see GPDB: https://github.com/greenplum-db/gpdb/issues/15899 ### What you think should happen instead use PG to show example, there is no CTE scan node...
### Discussed in https://github.com/orgs/cloudberrydb/discussions/37 Originally posted by **tuhaihe** July 24, 2023 ### Description _No response_ ### Use case/motivation _No response_ ### Related issues _No response_ ### Are you willing to...
### Cloudberry Database version _No response_ ### What happened Direct dispatch in parallel mode may have no improvement compared to a non-parallel direct dispatch. non-parallel direct dispatch: ```sql gpadmin=# explain...
### Cloudberry Database version _No response_ ### What happened ../../../src/include/crypto/sm4.h:12:27: error: typedef redefinition with different types ('unsigned long' vs 'unsigned long long') typedef unsigned long int uint64_t; ### What you...
### Cloudberry Database version _No response_ ### What happened configure: creating ./config.status sed: 1: "src/include/pg_config.h": unterminated substitute pattern make: *** [config.status] Error 1 make: *** Deleting file `config.status' ### What...
We don't support Hash Index and Access Method of extension in ORCA. So we plan always fallback to Postgres legacy planner. The reason is that ORCA hard code table and...
ic_bench with default args. tcp result: +----------------+------------+ | Total time(s) | 100.000 | | Loop times | 48045111 | | LPS(l/ms) | 480.451 | | Recv mbs | 65430 |...