mirror of
https://github.com/yacy/yacy_search_server.git
synced 2024-09-21 00:00:13 +02:00
765943a4b7
in intranets and the internet can now choose to appear as Googlebot. This is an essential necessity to be able to compete in the field of commercial search appliances, since most web pages are these days optimized only for Google and no other search platform any more. All commercial search engine providers have a built-in fake-Google User Agent to be able to get the same search index as Google can do. Without the resistance against obeying to robots.txt in this case, no competition is possible any more. YaCy will always obey the robots.txt when it is used for crawling the web in a peer-to-peer network, but to establish a Search Appliance (like a Google Search Appliance, GSA) it is necessary to be able to behave exactly like a Google crawler. With this change, you will be able to switch the user agent when portal or intranet mode is selected on per-crawl-start basis. Every crawl start can have a different user agent.
348 lines
17 KiB
Java
348 lines
17 KiB
Java
//PerformaceQueues_p.java
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//-----------------------
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//part of YaCy
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//(C) by Michael Peter Christen; mc@yacy.net
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//first published on http://www.anomic.de
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//Frankfurt, Germany, 2004, 2005
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//last major change: 16.02.2005
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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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//You must compile this file with
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//javac -classpath .:../classes Network.java
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//if the shell's current path is HTROOT
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import java.io.File;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.Map;
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import net.yacy.cora.protocol.HeaderFramework;
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import net.yacy.cora.protocol.RequestHeader;
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import net.yacy.kelondro.data.word.WordReference;
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import net.yacy.kelondro.rwi.IndexCell;
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import net.yacy.kelondro.util.FileUtils;
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import net.yacy.kelondro.util.Formatter;
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import net.yacy.kelondro.util.MemoryControl;
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import net.yacy.kelondro.util.OS;
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import net.yacy.kelondro.workflow.BusyThread;
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import net.yacy.kelondro.workflow.WorkflowThread;
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import net.yacy.search.Switchboard;
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import net.yacy.search.SwitchboardConstants;
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import net.yacy.search.index.Segment;
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import net.yacy.server.serverCore;
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import net.yacy.server.serverObjects;
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import net.yacy.server.serverSwitch;
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public class PerformanceQueues_p {
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/**
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* list of pre-defined settings: filename -> description
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*/
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private final static Map<String, String> performanceProfiles = new HashMap<String, String>(4, 0.9f);
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static {
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// no sorted output!
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performanceProfiles.put("defaults/yacy.init", "default (crawl)");
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performanceProfiles.put("defaults/performance_dht.profile", "prefer DHT");
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}
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public static serverObjects respond(final RequestHeader header, final serverObjects post, final serverSwitch env) {
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// return variable that accumulates replacements
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final Switchboard sb = (Switchboard) env;
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final serverObjects prop = new serverObjects();
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File defaultSettingsFile = new File(sb.getAppPath(), "defaults/yacy.init");
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// get segment
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Segment indexSegment = sb.index;
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if(post != null) {
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if(post.containsKey("defaultFile")){
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// TODO check file-path!
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final File value = new File(sb.getAppPath(), post.get("defaultFile", "defaults/yacy.init"));
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// check if value is readable file
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if(value.exists() && value.isFile() && value.canRead()) {
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defaultSettingsFile = value;
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}
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}
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if (post.containsKey("Xmx")) {
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int xmx = post.getInt("Xmx", 600); // default maximum heap size
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if (OS.isWin32) xmx = Math.min(2000, xmx);
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int xms = xmx; //Math.min(xmx, Math.max(90, xmx / 10));
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sb.setConfig("javastart_Xmx", "Xmx" + xmx + "m");
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sb.setConfig("javastart_Xms", "Xms" + xms + "m");
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prop.put("setStartupCommit", "1");
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}
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if(post.containsKey("diskFree")) {
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sb.setConfig(SwitchboardConstants.DISK_FREE, post.getInt("diskFree", 3000));
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}
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if(post.containsKey("diskFreeHardlimit")) {
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sb.setConfig(SwitchboardConstants.DISK_FREE_HARDLIMIT, post.getInt("diskFreeHardlimit", 1000));
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}
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if(post.containsKey("memoryAcceptDHT")) {
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sb.setConfig(SwitchboardConstants.MEMORY_ACCEPTDHT, post.getInt("memoryAcceptDHT", 50));
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}
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if(post.containsKey("resetObserver")) {
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MemoryControl.resetProperState();
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}
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}
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final Map<String, String> defaultSettings = ((post == null) || (!(post.containsKey("submitdefault")))) ? null : FileUtils.loadMap(defaultSettingsFile);
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Iterator<String> threads = sb.threadNames();
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String threadName;
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BusyThread thread;
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final boolean xml = (header.get(HeaderFramework.CONNECTION_PROP_PATH)).endsWith(".xml");
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prop.setLocalized(!xml);
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// calculate totals
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long blocktime_total = 0, sleeptime_total = 0, exectime_total = 0;
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while (threads.hasNext()) {
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threadName = threads.next();
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thread = sb.getThread(threadName);
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blocktime_total += thread.getBlockTime();
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sleeptime_total += thread.getSleepTime();
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exectime_total += thread.getExecTime();
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}
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if (blocktime_total == 0) blocktime_total = 1;
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if (sleeptime_total == 0) sleeptime_total = 1;
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if (exectime_total == 0) exectime_total = 1;
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// set templates for latest news from the threads
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long blocktime, sleeptime, exectime;
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long idlesleep, busysleep, memuse, memprereq;
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int queuesize;
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threads = sb.threadNames();
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int c = 0;
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long idleCycles, busyCycles, memshortageCycles;
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// set profile?
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final double multiplier = (post != null) && post.containsKey("profileSpeed") ? 100.0 / post.getFloat("profileSpeed", 100.0f) : 1.0;
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final boolean setProfile = (post != null && post.containsKey("submitdefault"));
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final boolean setDelay = (post != null) && (post.containsKey("submitdelay"));
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// save used settings file to config
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if (setProfile && post != null){
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sb.setConfig("performanceProfile", post.get("defaultFile", "defaults/yacy.init"));
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sb.setConfig("performanceSpeed", post.getInt("profileSpeed", 100));
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}
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IndexCell<WordReference> rwi = indexSegment.termIndex();
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while (threads.hasNext()) {
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threadName = threads.next();
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thread = sb.getThread(threadName);
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// set values to templates
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prop.put("table_" + c + "_threadname", threadName);
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prop.putHTML("table_" + c + "_hasurl_shortdescr", thread.getShortDescription());
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if(thread.getMonitorURL() == null) {
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prop.put("table_"+c+"_hasurl", "0");
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}else{
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prop.put("table_"+c+"_hasurl", "1");
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prop.put("table_" + c + "_hasurl_url", thread.getMonitorURL());
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}
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prop.putHTML("table_" + c + "_longdescr", thread.getLongDescription());
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queuesize = thread.getJobCount();
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prop.put("table_" + c + "_queuesize", (queuesize == Integer.MAX_VALUE) ? "unlimited" : Formatter.number(queuesize, !xml));
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blocktime = thread.getBlockTime();
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sleeptime = thread.getSleepTime();
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exectime = thread.getExecTime();
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memuse = thread.getMemoryUse();
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idleCycles = thread.getIdleCycles();
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busyCycles = thread.getBusyCycles();
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memshortageCycles = thread.getOutOfMemoryCycles();
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prop.putNum("table_" + c + "_blocktime", blocktime / 1000);
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prop.putNum("table_" + c + "_blockpercent", 100 * blocktime / blocktime_total);
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prop.putNum("table_" + c + "_sleeptime", sleeptime / 1000);
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prop.putNum("table_" + c + "_sleeppercent", 100 * sleeptime / sleeptime_total);
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prop.putNum("table_" + c + "_exectime", exectime / 1000);
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prop.putNum("table_" + c + "_execpercent", 100 * exectime / exectime_total);
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prop.putNum("table_" + c + "_totalcycles", idleCycles + busyCycles + memshortageCycles);
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prop.putNum("table_" + c + "_idlecycles", idleCycles);
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prop.putNum("table_" + c + "_busycycles", busyCycles);
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prop.putNum("table_" + c + "_memscycles", memshortageCycles);
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prop.putNum("table_" + c + "_sleeppercycle", ((idleCycles + busyCycles) == 0) ? -1 : sleeptime / (idleCycles + busyCycles));
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prop.putNum("table_" + c + "_execpercycle", (busyCycles == 0) ? -1 : exectime / busyCycles);
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prop.putNum("table_" + c + "_memusepercycle", (busyCycles == 0) ? -1 : memuse / busyCycles / 1024);
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// load with old values
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idlesleep = sb.getConfigLong(threadName + "_idlesleep" , 1000);
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busysleep = sb.getConfigLong(threadName + "_busysleep", 100);
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memprereq = sb.getConfigLong(threadName + "_memprereq", 0);
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if (setDelay && post != null) {
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// load with new values
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idlesleep = post.getLong(threadName + "_idlesleep", idlesleep);
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busysleep = post.getLong(threadName + "_busysleep", busysleep);
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memprereq = post.getLong(threadName + "_memprereq", memprereq) * 1024l;
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if (memprereq == 0) memprereq = sb.getConfigLong(threadName + "_memprereq", 0);
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// check values to prevent short-cut loops
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if (idlesleep < 1000) idlesleep = 1000;
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if (threadName.equals("10_httpd")) { idlesleep = 0; busysleep = 0; memprereq = 0; }
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sb.setThreadPerformance(threadName, idlesleep, busysleep, memprereq);
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idlesleep = sb.getConfigLong(threadName + "_idlesleep", idlesleep);
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busysleep = sb.getConfigLong(threadName + "_busysleep", busysleep);
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}
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if (setProfile) {
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if (threadName.equals(SwitchboardConstants.PEER_PING) ||
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threadName.equals(SwitchboardConstants.SEED_UPLOAD) ||
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threadName.equals(SwitchboardConstants.CLEANUP)) {
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/* do not change any values */
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} else {
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// load with new values
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idlesleep = (long) (Long.parseLong(d(defaultSettings.get(threadName + "_idlesleep"), String.valueOf(idlesleep))) * multiplier);
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busysleep = (long) (Long.parseLong(d(defaultSettings.get(threadName + "_busysleep"), String.valueOf(busysleep))) * multiplier);
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//memprereq = (long) (Long.parseLong(d(defaultSettings.get(threadName + "_memprereq"), String.valueOf(memprereq))) * multiplier);
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// check values to prevent short-cut loops
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if (idlesleep < 1000) idlesleep = 1000;
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if (threadName.equals("10_httpd")) { idlesleep = 0; busysleep = 0; memprereq = 0; }
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//if (threadName.equals(plasmaSwitchboardConstants.CRAWLJOB_LOCAL_CRAWL) && (busysleep < 50)) busysleep = 50;
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sb.setThreadPerformance(threadName, idlesleep, busysleep, memprereq);
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}
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}
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prop.put("table_" + c + "_idlesleep", idlesleep);
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prop.put("table_" + c + "_busysleep", busysleep);
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prop.put("table_" + c + "_memprereq", memprereq / 1024);
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// disallow setting of memprereq for indexer to prevent db from throwing OOMs
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// prop.put("table_" + c + "_disabled", /*(threadName.endsWith("_indexing")) ? 1 :*/ "0");
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prop.put("table_" + c + "_disabled", threadName.equals("10_httpd") ? "1" : "0" ); // httpd hardcoded defaults
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prop.put("table_" + c + "_recommendation", threadName.endsWith("_indexing") ? "1" : "0");
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prop.putNum("table_" + c + "_recommendation_value", rwi == null ? 0 : threadName.endsWith("_indexing") ? (rwi.minMem() / 1024) : 0);
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c++;
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}
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prop.put("table", c);
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// performance profiles
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c = 0;
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final String usedfile = sb.getConfig("performanceProfile", "defaults/yacy.init");
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for(final String filename: performanceProfiles.keySet()) {
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prop.put("profile_" + c + "_filename", filename);
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prop.put("profile_" + c + "_description", performanceProfiles.get(filename));
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prop.put("profile_" + c + "_used", usedfile.equalsIgnoreCase(filename) ? "1" : "0");
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c++;
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}
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prop.put("profile", c);
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c = 0;
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final int[] speedValues = {200,150,100,50,25,10};
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final int usedspeed = sb.getConfigInt("performanceSpeed", 100);
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for(final int speed: speedValues){
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prop.put("speed_" + c + "_value", speed);
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prop.put("speed_" + c + "_label", speed + " %");
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prop.put("speed_" + c + "_used", (speed == usedspeed) ? "1" : "0");
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c++;
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}
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prop.put("speed", c);
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if ((post != null) && (post.containsKey("cacheSizeSubmit"))) {
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final int wordCacheMaxCount = post.getInt("wordCacheMaxCount", 20000);
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sb.setConfig(SwitchboardConstants.WORDCACHE_MAX_COUNT, Integer.toString(wordCacheMaxCount));
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if (rwi != null) rwi.setBufferMaxWordCount(wordCacheMaxCount);
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}
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if ((post != null) && (post.containsKey("poolConfig"))) {
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/*
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* configuring the crawler pool
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*/
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// get the current crawler pool configuration
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int maxBusy = post.getInt("Crawler Pool_maxActive", 8);
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// storing the new values into configfile
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sb.setConfig(SwitchboardConstants.CRAWLER_THREADS_ACTIVE_MAX,maxBusy);
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//switchboard.setConfig("crawler.MinIdleThreads",minIdle);
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/*
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* configuring the http pool
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*/
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final WorkflowThread httpd = sb.getThread("10_httpd");
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try {
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maxBusy = post.getInt("httpd Session Pool_maxActive", 8);
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} catch (final NumberFormatException e) {
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maxBusy = 8;
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}
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((serverCore)httpd).setMaxSessionCount(maxBusy);
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// storing the new values into configfile
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sb.setConfig("httpdMaxBusySessions",maxBusy);
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}
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if ((post != null) && (post.containsKey("PrioritySubmit"))) {
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sb.setConfig("javastart_priority",post.get("YaCyPriority","0"));
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}
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if ((post != null) && (post.containsKey("onlineCautionSubmit"))) {
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sb.setConfig(SwitchboardConstants.PROXY_ONLINE_CAUTION_DELAY, Integer.toString(post.getInt("crawlPauseProxy", 30000)));
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sb.setConfig(SwitchboardConstants.LOCALSEACH_ONLINE_CAUTION_DELAY, Integer.toString(post.getInt("crawlPauseLocalsearch", 30000)));
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sb.setConfig(SwitchboardConstants.REMOTESEARCH_ONLINE_CAUTION_DELAY, Integer.toString(post.getInt("crawlPauseRemotesearch", 30000)));
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}
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// table cache settings
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prop.putNum("wordCacheSize", indexSegment.RWIBufferCount());
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prop.putNum("wordCacheSizeKBytes", rwi == null ? 0 : rwi.getBufferSizeBytes()/1024);
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prop.putNum("maxURLinCache", rwi == null ? 0 : rwi.getBufferMaxReferences());
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prop.putNum("maxAgeOfCache", rwi == null ? 0 : rwi.getBufferMaxAge() / 1000 / 60); // minutes
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prop.putNum("minAgeOfCache", rwi == null ? 0 : rwi.getBufferMinAge() / 1000 / 60); // minutes
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prop.putNum("maxWaitingWordFlush", sb.getConfigLong("maxWaitingWordFlush", 180));
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prop.put("wordCacheMaxCount", sb.getConfigLong(SwitchboardConstants.WORDCACHE_MAX_COUNT, 20000));
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prop.put("crawlPauseProxy", sb.getConfigLong(SwitchboardConstants.PROXY_ONLINE_CAUTION_DELAY, 30000));
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prop.put("crawlPauseLocalsearch", sb.getConfigLong(SwitchboardConstants.LOCALSEACH_ONLINE_CAUTION_DELAY, 30000));
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prop.put("crawlPauseRemotesearch", sb.getConfigLong(SwitchboardConstants.REMOTESEARCH_ONLINE_CAUTION_DELAY, 30000));
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prop.putNum("crawlPauseProxyCurrent", (System.currentTimeMillis() - sb.proxyLastAccess) / 1000);
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prop.putNum("crawlPauseLocalsearchCurrent", (System.currentTimeMillis() - sb.localSearchLastAccess) / 1000);
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prop.putNum("crawlPauseRemotesearchCurrent", (System.currentTimeMillis() - sb.remoteSearchLastAccess) / 1000);
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// table thread pool settings
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prop.put("pool_0_name","Crawler Pool");
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prop.put("pool_0_maxActive", sb.getConfigLong("crawler.MaxActiveThreads", 0));
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prop.put("pool_0_numActive",sb.crawlQueues.workerSize());
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final WorkflowThread httpd = sb.getThread("10_httpd");
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prop.put("pool_1_name", "httpd Session Pool");
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prop.put("pool_1_maxActive", ((serverCore)httpd).getMaxSessionCount());
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prop.put("pool_1_numActive", ((serverCore)httpd).getJobCount());
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prop.put("pool", "2");
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final long curr_prio = sb.getConfigLong("javastart_priority",0);
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prop.put("priority_normal",(curr_prio == 0) ? "1" : "0");
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prop.put("priority_below",(curr_prio == 10) ? "1" : "0");
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prop.put("priority_low",(curr_prio == 20) ? "1" : "0");
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// parse initialization memory settings
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final String Xmx = sb.getConfig("javastart_Xmx", "Xmx600m").substring(3);
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prop.put("Xmx", Xmx.substring(0, Xmx.length() - 1));
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final String Xms = sb.getConfig("javastart_Xms", "Xms600m").substring(3);
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prop.put("Xms", Xms.substring(0, Xms.length() - 1));
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final long diskFree = sb.getConfigLong(SwitchboardConstants.DISK_FREE, 3000L);
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final long diskFreeHardlimit = sb.getConfigLong(SwitchboardConstants.DISK_FREE_HARDLIMIT, 1000L);
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final long memoryAcceptDHT = sb.getConfigLong(SwitchboardConstants.MEMORY_ACCEPTDHT, 50000L);
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final boolean observerTrigger = !MemoryControl.properState();
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prop.put("diskFree", diskFree);
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prop.put("diskFreeHardlimit", diskFreeHardlimit);
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prop.put("memoryAcceptDHT", memoryAcceptDHT);
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if(observerTrigger) prop.put("observerTrigger", "1");
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// return rewrite values for templates
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return prop;
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}
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private static String d(final String a, final String b) {
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return (a == null) ? b : a;
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}
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}
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