- more hacks to check that files are closed propertly and filehandles do not exist after files are closed.
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@5757 6c8d7289-2bf4-0310-a012-ef5d649a1542
because of the strongly enhanced indexing speed when using the new IndexCell RWI data structures (> 2000PPM on my notebook), it is now necessary to control the crawling speed depending on the response time of the target server (which is also YaCy in case of some intranet indexing use cases).
The latency factor in crawl delay times is derived from the time that a target hosts takes to answer on http requests. For internet domains, the crawl delay is a minimum of twice the response time, in intranet cases the delay time is now a halve of the response time.
- added API to monitor the latency times of the crawler:
a new api at /api/latency_p.xml returns the current response times of domains, the time when the domain was accessed by the crawler the last time and many more attributes.
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@5733 6c8d7289-2bf4-0310-a012-ef5d649a1542
This is the start of a testing phase for IndexCell data structure which will replace
the collections and caching strategy. IndexCall creation and maintenance is fast, has
no caching overhead, very low IO load and is the basis for the next data structure,
index segments.
IndexCell files are stored at DATA/<network>/TEXT/RICELL
With this commit still the old data structures are used, until a flag in yacy.conf is set.
To switch to the new data structure, set
useCell = true
in yacy.conf. Then you will have no access any more to TEXT/RICACHE and TEXT/RICOLLECTION
This code is still bleeding-edge development. Please do not use the new data structure for
production now. Future versions may have changed data types, or other storage locations.
The next main release will have a migration feature for old data structures.
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@5724 6c8d7289-2bf4-0310-a012-ef5d649a1542
this option was never used and there is also no use to set other columns but the first as the primary key. as a result, access methods to the key do not need to compute key positions, and they work faster.
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@5711 6c8d7289-2bf4-0310-a012-ef5d649a1542
The speed of the kelondro indexing class ObjectIndexCache can be compared with Javas standard TreeMap with the main method in IntegerHandleIndex. The result is, that the kelondro indexing needs only 1/5 of the memory that TreeMap uses! In exchange, the kelondro classes are slower than TreeMap, about four (!) times slower. However, this is not so bad because the better use of the memory is a strong advantage and makes it possible that YaCy can maintain such a large number of document (> 50 million) in one peer.
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@5705 6c8d7289-2bf4-0310-a012-ef5d649a1542
Java standard classes provide a Map Interface, that has a put() method that returns the object that was replaced by the object that was the argument of the put call. The kelondro ObjectIndex defined a put method in the same way, that means it also returned the previous value of the Entry object before the put call. However, this value was not used by the calling code in the most cases. Omitting a return of the previous value would cause some performance benefit. This change implements a put method that does not return the previous value to reflect the common use. Omitting the return of previous values will cause some benefit in performance. The functionality to get the previous value is still maintained, and provided with a new 'replace' method.
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@5700 6c8d7289-2bf4-0310-a012-ef5d649a1542
java -Xmx1000m -cp classes de.anomic.data.URLAnalysis -incollection DATA/INDEX/freeworld/TEXT/RICOLLECTION used.dump
java -Xmx1000m -cp classes de.anomic.data.URLAnalysis -diffurlcol DATA/INDEX/freeworld/TEXT used.dump diffurlcol.dump
java -Xmx1000m -cp classes de.anomic.data.URLAnalysis -export DATA/INDEX/freeworld/TEXT xml urls.xml diffurlcol.dump
java -Xmx1000m -cp classes de.anomic.data.URLAnalysis -delete DATA/INDEX/freeworld/TEXT diffurlcol.dump
The export-feature is optional, the purpose of that function is to provide a back-up function for URLs to be deleted. The export function can also be used to create html files with embedded links and simple text-files. Simply replace the 'xml' word with 'html' or 'text'. The last argument in the cann, the diffurlcol.dump value, can also be omitted. This will cause that the complete URL database is exported. This is an alternative to the Web-Interface based export function.
The delete-feature is the only destructive method of the four presented here. Please use it with care. It is better to make a back-up of the url database files before starting the deletion.
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@5694 6c8d7289-2bf4-0310-a012-ef5d649a1542
to use this, you must user the -incollection command before (see SVN 5687) and you need a
used.dump file that has been produced with that process.
Now you can use that file, to do a URL-hash compare with the urls in the URL-DB. To do that, execute
java -Xmx1000m -cp classes de.anomic.data.URLAnalysis -diffurlcol DATA/INDEX/freeworld/TEXT used.dump diffurlcol.dump
or use different names for the dump files or more memory.
As a result, you get the file diffurlcol.dump which contains all the url hashes that occur in the URL database, but not in the collections.
The file has the format
{hash-12}*
that means: 12 byte long hashes are listed without any separation.
The next step could be to process this file and delete all these URLs with the computed hashes, or to export them before deletion.
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@5692 6c8d7289-2bf4-0310-a012-ef5d649a1542
- fix for problem in httpdFileHandler: mising close of open Files if tempate cache was disabled
- more memory for DHT selection required
- stub for URL reference hash statistics in index collections
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@5682 6c8d7289-2bf4-0310-a012-ef5d649a1542
especially loading of favicons in search results. This is a fix that
affects only searches in intranet/repository configurations.
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@5670 6c8d7289-2bf4-0310-a012-ef5d649a1542
- check the list and kick out entries with lines that contain not valid urls
- normalize the urls
- remove doubles
- sort the list
- split the list in smaller chunks
This is all done in one process which can be called with a new -sort option
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@5655 6c8d7289-2bf4-0310-a012-ef5d649a1542
url lists can also be compressed with gzip
If such a file is handed over to URLAnalysis, the output will also be written as .gz-file
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@5652 6c8d7289-2bf4-0310-a012-ef5d649a1542
This can be used like
java -Xmx2000m -cp classes de.anomic.data.URLAnalysis -host DATA/EXPORT/20090224213823.txt
changed als the call method to generate statistics, please use now
java -Xmx2000m -cp classes de.anomic.data.URLAnalysis -stat DATA/EXPORT/20090224213823.txt
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@5650 6c8d7289-2bf4-0310-a012-ef5d649a1542
without an order by the primary key. The result is a very fast enumeration of the Eco table data structure. Other table data types are not affected.
The new enumerator is used for the url export function that can be accessed from the online interface (Index Administration -> URL References -> Export). This export should now be much faster, if all url database files are from type Eco
The new enumeration is also used at other functions in YaCy, i.e. the initialization of the crawl balancer and the initialization of YaCy News.
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@5647 6c8d7289-2bf4-0310-a012-ef5d649a1542
Prevent NPE:
I 2009/02/20 15:15:56 PLASMA check for Session_77.37.19.225:38812#0: 86515 ms alive, stopping thread
I 2009/02/20 15:15:56 PLASMA Closing main socket of thread 'Session_77.37.19.225:38812#0'
E 2009/02/20 15:15:56 SERVER receive interrupted - exception 2 = Socket closed
Exception in thread "Session_77.37.19.225:38812#0" java.lang.NullPointerException
at de.anomic.server.serverCore$Session.run(serverCore.java:623)
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@5624 6c8d7289-2bf4-0310-a012-ef5d649a1542
orbiter