jenkins-bot has submitted this change and it was merged.

Change subject: Use a faster 7z command line by default
......................................................................


Use a faster 7z command line by default

In tests with one typical XML dump, -mx=4 looked much better than -mx=5
in terms of CPU cost, with negligible losses in compression.
Merged downstream by Wikia: https://github.com/Wikia/app/pull/6118

It probably makes sense to explicitly adopt a default suitable for XML
dumps; but later this should be configurable in scripts etc. (T78669).

Change-Id: I07ab5f93ecd6d706460691db5181de89ef31cbea
---
M includes/Export.php
1 file changed, 1 insertion(+), 1 deletion(-)

Approvals:
  Legoktm: Looks good to me, approved
  ArielGlenn: Looks good to me, but someone else must approve
  jenkins-bot: Verified



diff --git a/includes/Export.php b/includes/Export.php
index 4600feb..0d55d7d 100644
--- a/includes/Export.php
+++ b/includes/Export.php
@@ -1191,7 +1191,7 @@
         * @return string
         */
        function setup7zCommand( $file ) {
-               $command = "7za a -bd -si " . wfEscapeShellArg( $file );
+               $command = "7za a -bd -si -mx=4 " . wfEscapeShellArg( $file );
                // Suppress annoying useless crap from p7zip
                // Unfortunately this could suppress real error messages too
                $command .= ' >' . wfGetNull() . ' 2>&1';

-- 
To view, visit https://gerrit.wikimedia.org/r/186347
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Gerrit-MessageType: merged
Gerrit-Change-Id: I07ab5f93ecd6d706460691db5181de89ef31cbea
Gerrit-PatchSet: 2
Gerrit-Project: mediawiki/core
Gerrit-Branch: master
Gerrit-Owner: Nemo bis <[email protected]>
Gerrit-Reviewer: ArielGlenn <[email protected]>
Gerrit-Reviewer: Legoktm <[email protected]>
Gerrit-Reviewer: Nemo bis <[email protected]>
Gerrit-Reviewer: TTO <[email protected]>
Gerrit-Reviewer: jenkins-bot <>

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