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authorJohn 'Warthog9' Hawley <warthog9@kernel.org>2010-01-30 23:30:39 +0100
committerJunio C Hamano <gitster@pobox.com>2010-01-30 15:53:50 -0800
commitb62a1a98bc65f52d972a3f403c5b29d6a84642fd (patch)
tree0568d98fc40a6ffff027ca79995aa6f3a4327440 /t/gitweb-lib.sh
parent745a2db409c3b8346f28f6b2f1961b19051430f5 (diff)
downloadgit-b62a1a98bc65f52d972a3f403c5b29d6a84642fd.tar.gz
gitweb: Load checking
This changes slightly the behavior of gitweb, so that it verifies that the box isn't inundated with before attempting to serve gitweb. If the box is overloaded, it basically returns a 503 Server Unavailable until the load falls below the defined threshold. This helps dramatically if you have a box that's I/O bound, reaches a certain load and you don't want gitweb, the I/O hog that it is, increasing the pain the server is already undergoing. This behavior is controlled by $maxload configuration variable. Default is a load of 300, which for most cases should never be hit. Unset it (set it to undefined value, i.e. undef) to turn off checking. Currently it requires that '/proc/loadavg' file exists, otherwise the load check is bypassed (load is taken to be 0). So platforms that do not implement '/proc/loadavg' currently cannot use this feature (provisions are included for additional checks to be added by others). There is simple test in t/t9501-gitweb-standalone-http-status.sh to check that it correctly returns "503 Service Unavailable" if load is too high, and also if there are any Perl warnings or errors. Signed-off-by: John 'Warthog9' Hawley <warthog9@kernel.org> Signed-off-by: Jakub Narebski <jnareb@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 't/gitweb-lib.sh')
-rw-r--r--t/gitweb-lib.sh1
1 files changed, 1 insertions, 0 deletions
diff --git a/t/gitweb-lib.sh b/t/gitweb-lib.sh
index 76d8b7b803..5a734b1b7b 100644
--- a/t/gitweb-lib.sh
+++ b/t/gitweb-lib.sh
@@ -25,6 +25,7 @@ our \$favicon = 'file:///$TEST_DIRECTORY/../gitweb/git-favicon.png';
our \$projects_list = '';
our \$export_ok = '';
our \$strict_export = '';
+our \$maxload = undef;
EOF