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The branch, 4.4/document-tmpfs-for-faster-tests has been created
at ab8f408ed13e5d067acfb7cb9d64e00754bafea1 (commit)

- Log -----------------------------------------------------------------
commit ab8f408ed13e5d067acfb7cb9d64e00754bafea1
Author: Dianne Skoll <dianne@bestpractical.com>
Date: Thu Jul 16 14:19:40 2020 -0400

Document speeding up tests by using a tmpfs file system for SQLite files.

Added a brief paragraph to hacking.pod.

diff --git a/docs/hacking.pod b/docs/hacking.pod
index 15742fb759..e366d6bdcd 100644
--- a/docs/hacking.pod
+++ b/docs/hacking.pod
@@ -214,6 +214,21 @@ running the tests in parallel.

RT_TEST_PARALLEL=1 prove -l -j4 t/customfields/*.t

+=head2 Improving Test Performance
+
+For best test performance, you should use a SQLite database type. Furthermore,
+you should put the t/tmp directory in a RAM-based filesystem. This will
+eliminate the overhead of SQLite's calls to C<fsync> or equivalent.
+
+On Linux, for example, you can create a RAM-based file system and link
+it to t/tmp as follows:
+
+ mkdir /ram # Or your preferred location
+ chown my_user /ram
+ mount -t tmpfs none /ram
+ rm -rf rt/t/tmp
+ ln -s /ram rt/t/tmp
+
=head2 Tests with Docker

RT has a Dockerfile that can be used to run the test suite for some configurations.

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