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scm: git: performance improvements in fetching revisions (#8857, #9472)...
scm: git: performance improvements in fetching revisions (#8857, #9472) Parse a revision for a given branch, just if we haven't parsed it for any branches before. Moved the db check to for existing revisions into a grouped search. Search for many revisions at once: this reduces db load. Revisions are grouped into sets of 100. This is to improve memory consumption. There will be just one query instead of each 100. The above two methods significantly increase parsing speed. Test case was a git repo with 6000+ commits on a master branch, and several other branches originating for master. Speed improved from 1.4h to 18min. Contributed by Gergely Fábián. git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@9144 e93f8b46-1217-0410-a6f0-8f06a7374b81
Jean-Philippe Lang - - Load All Authors

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trackers_controller.rb
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/ app / controllers / trackers_controller.rb
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# Redmine - project management software
# Copyright (C) 2006-2011 Jean-Philippe Lang
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
class TrackersController < ApplicationController
layout 'admin'
before_filter :require_admin, :except => :index
before_filter :require_admin_or_api_request, :only => :index
accept_api_auth :index
def index
respond_to do |format|
format.html {
@tracker_pages, @trackers = paginate :trackers, :per_page => 10, :order => 'position'
render :action => "index", :layout => false if request.xhr?
}
format.api {
@trackers = Tracker.all
}
end
end
def new
@tracker ||= Tracker.new(params[:tracker])
@trackers = Tracker.find :all, :order => 'position'
@projects = Project.find(:all)
end
def create
@tracker = Tracker.new(params[:tracker])
if request.post? and @tracker.save
# workflow copy
if !params[:copy_workflow_from].blank? && (copy_from = Tracker.find_by_id(params[:copy_workflow_from]))
@tracker.workflows.copy(copy_from)
end
flash[:notice] = l(:notice_successful_create)
redirect_to :action => 'index'
return
end
new
render :action => 'new'
end
def edit
@tracker ||= Tracker.find(params[:id])
@projects = Project.find(:all)
end
def update
@tracker = Tracker.find(params[:id])
if request.put? and @tracker.update_attributes(params[:tracker])
flash[:notice] = l(:notice_successful_update)
redirect_to :action => 'index'
return
end
edit
render :action => 'edit'
end
def destroy
@tracker = Tracker.find(params[:id])
unless @tracker.issues.empty?
flash[:error] = l(:error_can_not_delete_tracker)
else
@tracker.destroy
end
redirect_to :action => 'index'
end
end