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f7f3e28c5e
Because the index size is now provided by solr, and the only way to do that is a match for [* TO *], a size computation is quite complex and time-consuming. Therefore this patch prevents that the method is called at all and if necessary puts a DOS-preventing barrier in front of it.
57 lines
2.2 KiB
Java
57 lines
2.2 KiB
Java
// PerformanceGraph.java
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// (C) 2007 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany
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// first published 30.11.2007 on http://yacy.net
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//
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// This is a part of YaCy, a peer-to-peer based web search engine
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//
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// $LastChangedDate$
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// $LastChangedRevision$
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// $LastChangedBy$
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//
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// LICENSE
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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import net.yacy.cora.protocol.RequestHeader;
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import net.yacy.peers.graphics.ProfilingGraph;
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import net.yacy.search.Switchboard;
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import net.yacy.server.serverObjects;
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import net.yacy.server.serverSwitch;
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import net.yacy.visualization.RasterPlotter;
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public class PerformanceGraph {
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private static long indeSizeCache = 0;
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private static long indexSizeTime = 0;
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public static RasterPlotter respond(@SuppressWarnings("unused") final RequestHeader header, serverObjects post, final serverSwitch env) {
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final Switchboard sb = (Switchboard) env;
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if (post == null) post = new serverObjects();
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final int width = post.getInt("width", 660);
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final int height = post.getInt("height", 240);
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final boolean showMemory = !post.containsKey("nomem");
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long t = System.currentTimeMillis();
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if (t - indexSizeTime > 10000) {
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indeSizeCache = sb.index.fulltext().collectionSize();
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indexSizeTime = t;
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}
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RasterPlotter graph = ProfilingGraph.performanceGraph(width, height, indeSizeCache + " URLS / " + sb.index.RWICount() + " WORDS IN INDEX / " + sb.index.RWIBufferCount() + " WORDS IN CACHE", showMemory);
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return graph;
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}
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} |