You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
558 lines
25 KiB
558 lines
25 KiB
// URLAnalysis.java
|
|
// (C) 2009 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany
|
|
// first published 24.02.2009 on http://yacy.net
|
|
//
|
|
// This is a part of YaCy, a peer-to-peer based web search engine
|
|
//
|
|
// $LastChangedDate$
|
|
// $LastChangedRevision$
|
|
// $LastChangedBy$
|
|
//
|
|
// LICENSE
|
|
//
|
|
// 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
|
|
|
|
package de.anomic.data;
|
|
|
|
import java.io.BufferedInputStream;
|
|
import java.io.BufferedOutputStream;
|
|
import java.io.BufferedReader;
|
|
import java.io.File;
|
|
import java.io.FileInputStream;
|
|
import java.io.FileOutputStream;
|
|
import java.io.IOException;
|
|
import java.io.InputStream;
|
|
import java.io.InputStreamReader;
|
|
import java.io.OutputStream;
|
|
import java.net.MalformedURLException;
|
|
import java.util.HashSet;
|
|
import java.util.Iterator;
|
|
import java.util.Map;
|
|
import java.util.Set;
|
|
import java.util.TreeMap;
|
|
import java.util.TreeSet;
|
|
import java.util.concurrent.ArrayBlockingQueue;
|
|
import java.util.concurrent.ConcurrentHashMap;
|
|
import java.util.regex.Pattern;
|
|
import java.util.zip.GZIPInputStream;
|
|
import java.util.zip.GZIPOutputStream;
|
|
|
|
import net.yacy.kelondro.data.meta.DigestURI;
|
|
import net.yacy.kelondro.data.meta.URIMetadataRow;
|
|
import net.yacy.kelondro.data.word.WordReferenceRow;
|
|
import net.yacy.kelondro.index.HandleMap;
|
|
import net.yacy.kelondro.index.HandleSet;
|
|
import net.yacy.kelondro.index.RowSpaceExceededException;
|
|
import net.yacy.kelondro.logging.Log;
|
|
import net.yacy.kelondro.order.Base64Order;
|
|
import net.yacy.kelondro.rwi.ReferenceContainerArray;
|
|
import net.yacy.kelondro.util.MemoryControl;
|
|
|
|
import de.anomic.search.MetadataRepository;
|
|
import de.anomic.search.Segment;
|
|
import de.anomic.search.MetadataRepository.Export;
|
|
|
|
public class URLAnalysis {
|
|
|
|
/**
|
|
* processes to analyse URL lists
|
|
*/
|
|
|
|
private static DigestURI poison = null;
|
|
static {
|
|
try {
|
|
poison = new DigestURI("http://poison.org/poison", null);
|
|
} catch (MalformedURLException e) {
|
|
poison = null;
|
|
}
|
|
}
|
|
|
|
public static class splitter extends Thread {
|
|
|
|
private ArrayBlockingQueue<DigestURI> in;
|
|
private ConcurrentHashMap<String, Integer> out;
|
|
|
|
public splitter(final ArrayBlockingQueue<DigestURI> in, final ConcurrentHashMap<String, Integer> out) {
|
|
this.in = in;
|
|
this.out = out;
|
|
}
|
|
|
|
@Override
|
|
public void run() {
|
|
try {
|
|
DigestURI url;
|
|
final Pattern p = Pattern.compile("~|\\(|\\)|\\+|-|@|:|%|\\.|;|_");
|
|
while (true) {
|
|
try {
|
|
url = in.take();
|
|
if (url == poison) break;
|
|
update(url.getHost().replaceAll("-", "\\.").split("\\."));
|
|
update(p.matcher(url.getPath()).replaceAll("/").split("/"));
|
|
} catch (InterruptedException e) {
|
|
Log.logException(e);
|
|
}
|
|
}
|
|
} catch (Exception e) {
|
|
Log.logException(e);
|
|
}
|
|
}
|
|
|
|
private void update(final String[] s) {
|
|
Integer c;
|
|
for (final String t: s) {
|
|
if (t.length() == 0) continue;
|
|
c = out.get(t);
|
|
out.put(t, (c == null) ? 1 : c.intValue() + 1);
|
|
}
|
|
}
|
|
}
|
|
|
|
public static void cleanup(final ConcurrentHashMap<String, Integer> stat) {
|
|
Map.Entry<String, Integer> entry;
|
|
int c, low = Integer.MAX_VALUE;
|
|
Iterator<Map.Entry<String, Integer>> i = stat.entrySet().iterator();
|
|
while (i.hasNext()) {
|
|
entry = i.next();
|
|
c = entry.getValue().intValue();
|
|
if (c == 1) {
|
|
i.remove();
|
|
} else {
|
|
if (c < low) low = c;
|
|
}
|
|
}
|
|
i = stat.entrySet().iterator();
|
|
while (i.hasNext()) {
|
|
entry = i.next();
|
|
c = entry.getValue().intValue();
|
|
if (c == low) {
|
|
i.remove();
|
|
}
|
|
}
|
|
Runtime.getRuntime().gc();
|
|
}
|
|
|
|
public static void genstat(final String urlfile) {
|
|
|
|
final boolean gz = urlfile.endsWith(".gz");
|
|
final String analysis = (gz) ? urlfile.substring(0, urlfile.length() - 3) + ".stats.gz" : urlfile + ".stats";
|
|
final long cleanuplimit = Math.max(50 * 1024 * 1024, MemoryControl.available() / 8);
|
|
|
|
// start threads
|
|
final ArrayBlockingQueue<DigestURI> in = new ArrayBlockingQueue<DigestURI>(1000);
|
|
final ConcurrentHashMap<String, Integer> out = new ConcurrentHashMap<String, Integer>();
|
|
for (int i = 0, available = Runtime.getRuntime().availableProcessors(); i < available; i++) new splitter(in, out).start();
|
|
final splitter spl = new splitter(in, out);
|
|
spl.start();
|
|
|
|
// put urls in queue
|
|
final File infile = new File(urlfile);
|
|
final File outfile = new File(analysis);
|
|
BufferedReader reader = null;
|
|
long time = System.currentTimeMillis();
|
|
long start = time;
|
|
int count = 0;
|
|
|
|
System.out.println("start processing");
|
|
try {
|
|
InputStream is = new BufferedInputStream(new FileInputStream(infile));
|
|
if (gz) is = new GZIPInputStream(is);
|
|
reader = new BufferedReader(new InputStreamReader(is));
|
|
String line;
|
|
while ((line = reader.readLine()) != null) {
|
|
line = line.trim();
|
|
if (line.length() > 0) {
|
|
try {
|
|
DigestURI url = new DigestURI(line, null);
|
|
in.put(url);
|
|
} catch (InterruptedException e) {
|
|
Log.logException(e);
|
|
} catch (MalformedURLException e) {
|
|
continue;
|
|
}
|
|
}
|
|
count++;
|
|
if (System.currentTimeMillis() - time > 1000) {
|
|
time = System.currentTimeMillis();
|
|
System.out.println("processed " + count + " urls, " + (MemoryControl.available() / 1024 / 1024) + " mb left, " + count * 1000L / (time - start) + " url/second");
|
|
if (MemoryControl.available() < cleanuplimit) {
|
|
System.out.println("starting cleanup, " + out.size() + " entries in statistic");
|
|
cleanup(out);
|
|
System.out.println("finished cleanup, " + out.size() + " entries in statistic left, " + (MemoryControl.available() / 1024 / 1024) + " mb left");
|
|
}
|
|
}
|
|
}
|
|
reader.close();
|
|
} catch (final IOException e) {
|
|
Log.logException(e);
|
|
} finally {
|
|
if (reader != null) try { reader.close(); } catch (final Exception e) {}
|
|
}
|
|
|
|
// stop threads
|
|
System.out.println("stopping threads");
|
|
for (int i = 0, available = Runtime.getRuntime().availableProcessors() + 1; i < available; i++) try {
|
|
in.put(poison);
|
|
} catch (InterruptedException e) {
|
|
Log.logException(e);
|
|
}
|
|
try {
|
|
spl.join();
|
|
} catch (InterruptedException e1) {
|
|
Log.logException(e1);
|
|
}
|
|
|
|
// generate statistics
|
|
System.out.println("start processing results");
|
|
final TreeMap<String, Integer> results = new TreeMap<String, Integer>();
|
|
count = 0;
|
|
Map.Entry<String, Integer> entry;
|
|
final Iterator<Map.Entry<String, Integer>> i = out.entrySet().iterator();
|
|
while (i.hasNext()) {
|
|
entry = i.next();
|
|
results.put(num(entry.getValue().intValue() * (entry.getKey().length() - 1)) + " - " + entry.getKey(), entry.getValue());
|
|
count++;
|
|
i.remove(); // free memory
|
|
if (System.currentTimeMillis() - time > 10000) {
|
|
time = System.currentTimeMillis();
|
|
System.out.println("processed " + count + " results, " + (MemoryControl.available() / 1024 / 1024) + " mb left");
|
|
}
|
|
}
|
|
|
|
// write statistics
|
|
System.out.println("start writing results");
|
|
try {
|
|
OutputStream os = new BufferedOutputStream(new FileOutputStream(outfile));
|
|
if (gz) os = new GZIPOutputStream(os);
|
|
count = 0;
|
|
for (final Map.Entry<String, Integer> e: results.entrySet()) {
|
|
os.write(e.getKey().getBytes());
|
|
os.write(new byte[]{'\t'});
|
|
os.write(Integer.toString(e.getValue()).getBytes());
|
|
os.write(new byte[]{'\n'});
|
|
count++;
|
|
if (System.currentTimeMillis() - time > 10000) {
|
|
time = System.currentTimeMillis();
|
|
System.out.println("wrote " + count + " lines.");
|
|
}
|
|
}
|
|
os.close();
|
|
} catch (IOException e) {
|
|
Log.logException(e);
|
|
}
|
|
|
|
System.out.println("finished");
|
|
}
|
|
|
|
public static void genhost(final String urlfile) {
|
|
|
|
final boolean gz = urlfile.endsWith(".gz");
|
|
final String trunk = (gz) ? urlfile.substring(0, urlfile.length() - 3) + ".host" : urlfile + ".host";
|
|
final HashSet<String> hosts = new HashSet<String>();
|
|
final File infile = new File(urlfile);
|
|
BufferedReader reader = null;
|
|
long time = System.currentTimeMillis();
|
|
final long start = time;
|
|
int count = 0;
|
|
|
|
System.out.println("start processing");
|
|
try {
|
|
InputStream is = new BufferedInputStream(new FileInputStream(infile));
|
|
if (gz) is = new GZIPInputStream(is);
|
|
reader = new BufferedReader(new InputStreamReader(is));
|
|
String line;
|
|
while ((line = reader.readLine()) != null) {
|
|
line = line.trim();
|
|
if (line.length() > 0) {
|
|
try {
|
|
DigestURI url = new DigestURI(line, null);
|
|
hosts.add(url.getHost());
|
|
} catch (MalformedURLException e) {
|
|
continue;
|
|
}
|
|
}
|
|
count++;
|
|
if (System.currentTimeMillis() - time > 1000) {
|
|
time = System.currentTimeMillis();
|
|
System.out.println("processed " + count + " urls, " + (MemoryControl.available() / 1024 / 1024) + " mb left, " + count * 1000L / (time - start) + " url/second");
|
|
}
|
|
}
|
|
reader.close();
|
|
} catch (final IOException e) {
|
|
Log.logException(e);
|
|
} finally {
|
|
if (reader != null) try { reader.close(); } catch (final Exception e) {}
|
|
}
|
|
|
|
// copy everything into a TreeSet to order it
|
|
System.out.println("start processing results");
|
|
final TreeSet<String> results = new TreeSet<String>();
|
|
count = 0;
|
|
final Iterator<String> i = hosts.iterator();
|
|
while (i.hasNext()) {
|
|
results.add(i.next());
|
|
count++;
|
|
i.remove(); // free memory
|
|
if (System.currentTimeMillis() - time > 10000) {
|
|
time = System.currentTimeMillis();
|
|
System.out.println("processed " + count + " results, " + (MemoryControl.available() / 1024 / 1024) + " mb left");
|
|
}
|
|
}
|
|
|
|
// write hosts
|
|
writeSet(trunk, gz, results);
|
|
|
|
System.out.println("finished");
|
|
}
|
|
|
|
private static void writeSet(final String trunk, final boolean gz, final Set<String> set) {
|
|
|
|
// write hosts
|
|
System.out.println("start writing results");
|
|
File outfile = new File(trunk + ((gz) ? ".gz" : ""));
|
|
long time = System.currentTimeMillis();
|
|
try {
|
|
OutputStream os = new BufferedOutputStream(new FileOutputStream(outfile));
|
|
if (gz) os = new GZIPOutputStream(os);
|
|
int count = 0;
|
|
for (final String h: set) {
|
|
os.write(h.getBytes());
|
|
os.write(new byte[]{'\n'});
|
|
count++;
|
|
if (System.currentTimeMillis() - time > 10000) {
|
|
time = System.currentTimeMillis();
|
|
System.out.println("wrote " + count + " lines.");
|
|
}
|
|
}
|
|
os.close();
|
|
} catch (IOException e) {
|
|
Log.logException(e);
|
|
}
|
|
|
|
System.out.println("finished writing results");
|
|
}
|
|
|
|
public static void sortsplit(final String urlfile) {
|
|
|
|
final boolean gz = urlfile.endsWith(".gz");
|
|
final String trunk = ((gz) ? urlfile.substring(0, urlfile.length() - 3) : urlfile) + ".sort";
|
|
final File infile = new File(urlfile);
|
|
final TreeSet<String> urls = new TreeSet<String>();
|
|
BufferedReader reader = null;
|
|
long time = System.currentTimeMillis();
|
|
final long start = time;
|
|
int count = 0;
|
|
int filecount = 0;
|
|
final long cleanuplimit = Math.max(50 * 1024 * 1024, MemoryControl.available() / 8);
|
|
|
|
System.out.println("start processing");
|
|
try {
|
|
InputStream is = new BufferedInputStream(new FileInputStream(infile));
|
|
if (gz) is = new GZIPInputStream(is);
|
|
reader = new BufferedReader(new InputStreamReader(is));
|
|
String line;
|
|
while ((line = reader.readLine()) != null) {
|
|
line = line.trim();
|
|
if (line.length() > 0) {
|
|
try {
|
|
DigestURI url = new DigestURI(line, null);
|
|
urls.add(url.toNormalform(true, true));
|
|
} catch (MalformedURLException e) {
|
|
continue;
|
|
}
|
|
}
|
|
count++;
|
|
if (System.currentTimeMillis() - time > 1000) {
|
|
time = System.currentTimeMillis();
|
|
System.out.println("processed " + count + " urls, " + (MemoryControl.available() / 1024 / 1024) + " mb left, " + count * 1000L / (time - start) + " url/second");
|
|
}
|
|
if (MemoryControl.available() < cleanuplimit) {
|
|
writeSet(trunk + "." + filecount, gz, urls);
|
|
filecount++;
|
|
urls.clear();
|
|
Runtime.getRuntime().gc();
|
|
}
|
|
}
|
|
reader.close();
|
|
} catch (final IOException e) {
|
|
Log.logException(e);
|
|
} finally {
|
|
if (reader != null) try { reader.close(); } catch (final Exception e) {}
|
|
}
|
|
|
|
// write hosts
|
|
writeSet(trunk + "." + filecount, gz, urls);
|
|
|
|
System.out.println("finished");
|
|
}
|
|
|
|
public static void incell(final File cellPath, final String statisticPath) {
|
|
try {
|
|
final HandleMap idx = ReferenceContainerArray.referenceHashes(
|
|
cellPath,
|
|
Segment.wordReferenceFactory,
|
|
Base64Order.enhancedCoder,
|
|
WordReferenceRow.urlEntryRow);
|
|
System.out.println("INDEX REFERENCE COLLECTION starting dump of statistics");
|
|
idx.dump(new File(statisticPath));
|
|
System.out.println("INDEX REFERENCE COLLECTION finished dump, wrote " + idx.size() + " entries to " + statisticPath);
|
|
} catch (Exception e) {
|
|
Log.logException(e);
|
|
}
|
|
}
|
|
|
|
public static int diffurlcol(final String metadataPath, final String statisticFile, final String diffFile) throws IOException, RowSpaceExceededException {
|
|
System.out.println("INDEX DIFF URL-COL startup");
|
|
final HandleMap idx = new HandleMap(URIMetadataRow.rowdef.primaryKeyLength, URIMetadataRow.rowdef.objectOrder, 4, new File(statisticFile));
|
|
final MetadataRepository mr = new MetadataRepository(new File(metadataPath), "text.urlmd", false, false);
|
|
final HandleSet hs = new HandleSet(URIMetadataRow.rowdef.primaryKeyLength, URIMetadataRow.rowdef.objectOrder, 1000000);
|
|
System.out.println("INDEX DIFF URL-COL loaded dump, starting diff");
|
|
final long start = System.currentTimeMillis();
|
|
long update = start - 7000;
|
|
int count = 0;
|
|
for (final byte[] refhash: mr) {
|
|
if (idx.get(refhash) == -1) {
|
|
// the key exists as urlhash in the URL database, but not in the collection as referenced urlhash
|
|
hs.put(refhash);
|
|
}
|
|
count++;
|
|
if (System.currentTimeMillis() - update > 10000) {
|
|
System.out.println("INDEX DIFF URL-COL running, checked " + count + ", found " + hs.size() + " missing references so far, " + (((System.currentTimeMillis() - start) * (mr.size() - count) / count) / 60000) + " minutes remaining");
|
|
update = System.currentTimeMillis();
|
|
}
|
|
}
|
|
mr.close();
|
|
System.out.println("INDEX DIFF URL-COL finished diff, starting dump to " + diffFile);
|
|
count = hs.dump(new File(diffFile));
|
|
System.out.println("INDEX DIFF URL-COL finished dump, wrote " + count + " references that occur in the URL-DB, but not in the collection-dump");
|
|
return count;
|
|
}
|
|
|
|
public static void export(final String metadataPath, final int format, final String export, final String diffFile) throws IOException, RowSpaceExceededException {
|
|
// format: 0=text, 1=html, 2=rss/xml
|
|
System.out.println("URL EXPORT startup");
|
|
final MetadataRepository mr = new MetadataRepository(new File(metadataPath), "text.urlmd", false, false);
|
|
final HandleSet hs = (diffFile == null) ? null : new HandleSet(URIMetadataRow.rowdef.primaryKeyLength, URIMetadataRow.rowdef.objectOrder, new File(diffFile));
|
|
System.out.println("URL EXPORT loaded dump, starting export");
|
|
final Export e = mr.export(new File(export), ".*", hs, format, false);
|
|
try {
|
|
e.join();
|
|
} catch (InterruptedException e1) {
|
|
Log.logException(e1);
|
|
}
|
|
System.out.println("URL EXPORT finished export, wrote " + ((hs == null) ? mr.size() : hs.size()) + " entries");
|
|
}
|
|
|
|
public static void delete(final String metadataPath, final String diffFile) throws IOException, RowSpaceExceededException {
|
|
System.out.println("URL DELETE startup");
|
|
final MetadataRepository mr = new MetadataRepository(new File(metadataPath), "text.urlmd", false, false);
|
|
final int mrSize = mr.size();
|
|
final HandleSet hs = new HandleSet(URIMetadataRow.rowdef.primaryKeyLength, URIMetadataRow.rowdef.objectOrder, new File(diffFile));
|
|
System.out.println("URL DELETE loaded dump, starting deletion of " + hs.size() + " entries from " + mrSize);
|
|
for (final byte[] refhash: hs) {
|
|
mr.remove(refhash);
|
|
}
|
|
System.out.println("URL DELETE finished deletions, " + mr.size() + " entries left in URL database");
|
|
}
|
|
|
|
public static void main(final String[] args) {
|
|
if (args[0].equals("-stat") && args.length >= 2) {
|
|
// generate a statistics about common words in file, store to <file>.stat
|
|
// example:
|
|
// java -Xmx1000m -cp classes de.anomic.data.URLAnalysis -stat DATA/EXPORT/urls1.txt.gz
|
|
for (int i = 1; i < args.length; i++) genstat(args[i]);
|
|
} else if (args[0].equals("-host") && args.length >= 2) {
|
|
// generate a file <file>.host containing only the hosts of the urls
|
|
for (int i = 1; i < args.length; i++) genhost(args[i]);
|
|
} else if (args[0].equals("-sort") && args.length >= 2) {
|
|
// generate file <file>.x.sort with sorted lists and split the file in smaller pieces
|
|
for (int i = 1; i < args.length; i++) sortsplit(args[i]);
|
|
} else if (args[0].equals("-incell") && args.length >= 2) {
|
|
// generate a dump of all referenced URL hashes from a given RICELL
|
|
// example:
|
|
// java -Xmx1000m -cp classes de.anomic.data.URLAnalysis -incell DATA/INDEX/freeworld/TEXT/RICELL used.dump
|
|
incell(new File(args[1]), args[2]);
|
|
} else if (args[0].equals("-diffurlcol") && args.length >= 3) {
|
|
// make a diff-file that contains hashes from the url database that do not occur in the collection reference dump
|
|
// example:
|
|
// java -Xmx1000m -cp classes de.anomic.data.URLAnalysis -diffurlcol DATA/INDEX/freeworld/TEXT/METADATA used.dump diffurlcol.dump
|
|
try {
|
|
diffurlcol(args[1], args[2], args[3]);
|
|
} catch (Exception e) {
|
|
Log.logException(e);
|
|
}
|
|
} else if (args[0].equals("-export") && args.length >= 4) {
|
|
// export a url-list file
|
|
// example:
|
|
// java -Xmx1000m -cp classes de.anomic.data.URLAnalysis -export DATA/INDEX/freeworld/TEXT xml urls.xml diffurlcol.dump
|
|
// instead of 'xml' (which is in fact a rss), the format can also be 'text' and 'html'
|
|
int format = (args[2].equals("xml")) ? 2 : (args[2].equals("html")) ? 1 : 0;
|
|
try {
|
|
export(args[1], format, args[3], (args.length >= 5) ? args[4] : null);
|
|
} catch (Exception e) {
|
|
Log.logException(e);
|
|
}
|
|
} else if (args[0].equals("-delete") && args.length >= 3) {
|
|
// delete from URLs as given by urlreference diff dump
|
|
// example:
|
|
// java -Xmx1000m -cp classes de.anomic.data.URLAnalysis -delete DATA/INDEX/freeworld/TEXT diffurlcol.dump
|
|
// instead of 'xml' (which is in fact a rss), the format can also be 'text' and 'html'
|
|
try {
|
|
delete(args[1], args[2]);
|
|
} catch (Exception e) {
|
|
Log.logException(e);
|
|
}
|
|
} else {
|
|
System.out.println("usage:");
|
|
System.out.println();
|
|
System.out.println("-stat <file> ");
|
|
System.out.println(" generate a statistics about common words in file, store to <file>.stat");
|
|
System.out.println();
|
|
System.out.println("-host <file>");
|
|
System.out.println(" generate a file <file>.host containing only the hosts of the urls");
|
|
System.out.println();
|
|
System.out.println("-sort <file>");
|
|
System.out.println(" generate file <file>.x.sort with sorted lists and split the file in smaller pieces");
|
|
System.out.println();
|
|
System.out.println("-incollection <path-to-RICOLLECTION> <file>");
|
|
System.out.println(" generate a dump of all referenced URL hashes");
|
|
System.out.println();
|
|
System.out.println("-diffurlcol <path-to-URL-DB> <dump-from-incollection> <diff-dump>");
|
|
System.out.println(" find URLs that occur in url-db but not in collections");
|
|
System.out.println();
|
|
System.out.println("-export <path-to-URL-DB> <format text|html|xml> <export-file> <diff-dump>");
|
|
System.out.println(" export urls to file. the last argument can be omitted, then all urls are exported");
|
|
System.out.println();
|
|
System.out.println("-delete <path-to-URL-DB> <diff-dump>");
|
|
System.out.println(" delete all urls that are listed in the diff-dump from the url-db");
|
|
System.out.println();
|
|
System.out.println("to do a complete clean-up of the url database, start the following:");
|
|
System.out.println();
|
|
System.out.println("java -Xmx1000m -cp classes de.anomic.data.URLAnalysis -incollection DATA/INDEX/freeworld/TEXT/RICOLLECTION used.dump");
|
|
System.out.println("java -Xmx1000m -cp classes de.anomic.data.URLAnalysis -diffurlcol DATA/INDEX/freeworld/TEXT used.dump diffurlcol.dump");
|
|
System.out.println("java -Xmx1000m -cp classes de.anomic.data.URLAnalysis -export DATA/INDEX/freeworld/TEXT xml urls.xml diffurlcol.dump");
|
|
System.out.println("java -Xmx1000m -cp classes de.anomic.data.URLAnalysis -delete DATA/INDEX/freeworld/TEXT diffurlcol.dump");
|
|
System.out.println();
|
|
}
|
|
System.exit(0); // kill remaining threads
|
|
}
|
|
|
|
private static final String num(final int i) {
|
|
StringBuffer s = new StringBuffer(Integer.toString(i));
|
|
while (s.length() < 9) s.insert(0, "0");
|
|
return s.toString();
|
|
}
|
|
}
|