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- jemalloc 11868
- On supported platforms, DuckDB replaces the system's memory allocator with jemalloc . jemalloc is statically linked into DuckDB and cannot be installed or loaded during runtime. For technical reasons, we used to distribute jemalloc as an ex
...tension. Since DuckDB 1.5.3, it is distributed as a third-party library. Operating System Support The availability of jemalloc depends on the operating system. Linux 64-bit Linux distributions of DuckDB ship with jemalloc by default (with the except...ion of builds for musl-based distributions). To disable jemalloc , build DuckDB from source and set the BUILD_JEMALLOC flag to 0 as follows: GEN=ninja BUILD_JEMALLOC=0 make This flag is p...assed to CMake as -DENABLE_JEMALLOC=0 . macOS and Windows On macOS and Windows, jemalloc is not available. DuckDB uses the system's memory allocator on these... - https://man.mtool.work/duckdb/2.0/internals/jemalloc.html
- Building Extensions 8482
- Extensions can be built from source and installed from the resulting local binary. Building Extensions To build using extension flags, set the BUILD_EXTENSIONS flag to the list of extensions that you want to be built. For example: BUILD_EXT
...LINK_CORE_EXTENSIONS=1 or list them in STATICALLY_LINK_EXTENSIONS (see Linking Extensions ). Special Extension Flags BUILD_JEMALLOC This flag controls whether the jemalloc memory allocator is linked into DuckDB. Unlike TPC-H and TPC-DS, jemalloc is not a...n extension. It is only supported on 64-bit Linux, where it is enabled by default. To disable it, set BUILD_JEMALLOC=0 . BUILD_TPCE When this flag is set, the TPCE library is built. Unlike TPC-H and TPC-DS this is not a proper extension an... - https://man.mtool.work/duckdb/2.0/dev/building/building_extensions.html
- Environment 7533
- The environment where DuckDB is run has an obvious impact on performance. This page focuses on the effects of the hardware configuration and the operating system used. Hardware Configuration CPU DuckDB's officially supported architectures a
...ed workloads when running DuckDB. Memory Allocator If you have a many-core CPU running on a system where DuckDB ships with jemalloc as the default memory allocator, consider enabling the allocator's background threads .... - https://man.mtool.work/duckdb/2.0/guides/performance/environment.html
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