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.. SPDX-License-Identifier: CC-BY-SA-2.0-UK
Conserving Disk Space
*********************
Conserving Disk Space During Builds
===================================
To help conserve disk space during builds, you can add the following
statement to your project's ``local.conf`` configuration file found in
the :term:`Build Directory`::
INHERIT += "rm_work"
Adding this statement deletes the work directory used for
building a recipe once the recipe is built. For more information on
"rm_work", see the :ref:`ref-classes-rm-work` class in the
Yocto Project Reference Manual.
Purging Duplicate Shared State Cache Files
==========================================
After multiple build iterations, the Shared State (sstate) cache can contain
duplicate cache files for a given package, while only the most recent one
is likely to be reusable. The following command purges all but the
newest sstate cache file for each package::
sstate-cache-management.sh --remove-duplicated --cache-dir=build/sstate-cache
This command will ask you to confirm the deletions it identifies.
.. note::
The duplicated sstate cache files of one package must have the same
architecture, which means that sstate cache files with multiple
architectures are not considered as duplicate.
Run ``sstate-cache-management.sh`` for more details about this script.
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