Commit Graph

83 Commits

Author SHA1 Message Date
orbiter
90c3e5d6f6 - cleanup, removed unused imports
- added crawling queue sizes to /api/status_p.xml, syntax same as in queues_p.html
- fixed a bug in queue enumeration that caused a out of bounds exception

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6842 6c8d7289-2bf4-0310-a012-ef5d649a1542
2010-04-27 21:47:41 +00:00
orbiter
4cd5418963 removed finalize methods because of a hint in
http://java.sun.com/javase/6/webnotes/trouble/TSG-VM/html/memleaks.html#gbyvh

The finalize method prevents that the memory, used by the objects containing the finalize method, is collected and available for the garbage collector. Instead, the memory allocated by such classes are enqueued to a java-internal finalize queue runner. This slows down all operations that uses a lot of object containing finalize methods.

this fix does not remove all finalize method, but such that may be used for throw-away objects that are allocated many times. This should cause a better run-time performance and less OutOfMemoryErrors 

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6835 6c8d7289-2bf4-0310-a012-ef5d649a1542
2010-04-23 09:32:29 +00:00
orbiter
b95ae2518b fix for assert
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6829 6c8d7289-2bf4-0310-a012-ef5d649a1542
2010-04-21 17:59:22 +00:00
orbiter
027b971bde fix for concurrent quicksort: catch jobs from ThreadPoolExecutor that had been rejected because of full processing queues.
Non-catched jobs may have been the cause for blockings and freezes in case of overloading during strong processing

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6827 6c8d7289-2bf4-0310-a012-ef5d649a1542
2010-04-21 13:44:59 +00:00
orbiter
7b69d79727 enhanced remove() operation: in many cases it is not necessary to return the removed object to the called.
for such cases the delete() operation was introduced which is sometimes much cheaper in operation since it does not need to create objects to hold the removed content and it does not need to read those objects.

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6824 6c8d7289-2bf4-0310-a012-ef5d649a1542
2010-04-20 14:47:41 +00:00
orbiter
93ea0a4789 enhanced remove operation in search consequences (which are triggered when the snippet fetch proves that the word has disappeared from the page that was stored in the index)
- no direct deletion of referenced during search (shifted to time after search)
- bundling of all deletions for the references of a single word into one remove operation
- enhanced remove operation by caring that the collection is stored sorted (experimental)
- more String -> byte[] transition for search word lists
- clean up of unused code
- enhanced memory allocation of RowSet Objects (will use a little bit less memory which was wasted before)


git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6823 6c8d7289-2bf4-0310-a012-ef5d649a1542
2010-04-20 13:45:22 +00:00
orbiter
64f29f990e a collection of performance hacks and code cleanup:
- removed usage of URL-Caches which could have been a memory leak
- removed unused classes and methods
- removed not necessary synchronizations
- added synchronization hacks where possible
- fine-tuned crawling speed to prevent IO of balancer
- fixed a bug in IODispatcher that may have caused that no merges were done
- reduced number of parameters in very often called methods (compare methods)
- reduced complexity of data structures of now massively used HandleSet class
- reduction of new String() and getBytes() usage / new methods to support this transition

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6820 6c8d7289-2bf4-0310-a012-ef5d649a1542
2010-04-19 16:42:37 +00:00
orbiter
8b8107b2a3 reduced IO-load and synchronization/blocking
- enhanced the Balancer performance when building new domain stacks using a new Table buffer
- added the new Table buffer BufferedObjectIndex class
- changed order of access to LURL-read (prefereing segment over Crawl Queues) will reduced blocking time on balancer
- fixed PPM setting in Crawler_p servlet (had doubled values)
- reduced synchronization in IndexCell because it is not necessary: reduced blocking during indexing/merging/dumping
- removed did-you-mean cache in IndexCell because that caused too much overhead and more memory usage but was not very useful. This reduced also deadlocks that could be causes when searched are performed during indexing.




git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6819 6c8d7289-2bf4-0310-a012-ef5d649a1542
2010-04-18 21:55:20 +00:00
orbiter
ed07046870 flush only when > 3000 RWIs present + code cleanup
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6817 6c8d7289-2bf4-0310-a012-ef5d649a1542
2010-04-16 16:07:19 +00:00
orbiter
1a8a134e0c continuing String-hash - to - byte[]-hash redesign that was started in SVN 6775 and continued in SVN 6790
The result should be a less usage of new String() and less memory usage (since a String-encapsulated byte[] has 40 bytes overhead)


git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6815 6c8d7289-2bf4-0310-a012-ef5d649a1542
2010-04-15 13:22:59 +00:00
orbiter
ff6cf24b80 replaced RowSetArray in ObjectIndexCache with RowSet to reduce complexity in MergeIterator. This complexity caused too much computing overhead when the RowSetArray had become very large.
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6810 6c8d7289-2bf4-0310-a012-ef5d649a1542
2010-04-14 19:26:51 +00:00
orbiter
aa083fc45c try to get a fix for OOM problem in case that there is no real problem with missing memory.
See also http://forum.yacy-websuche.de/viewtopic.php?p=19835#p19835

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6802 6c8d7289-2bf4-0310-a012-ef5d649a1542
2010-04-13 11:39:54 +00:00
orbiter
25aef069a6 continuing String-hash - to - byte[]-hash redesign that was started in SVN 6775
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6790 6c8d7289-2bf4-0310-a012-ef5d649a1542
2010-04-08 00:11:32 +00:00
sixcooler
cd6de83905 next try for for http://forum.yacy-websuche.de/viewtopic.php?f=5&t=2703
(reverted 6692)

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6694 6c8d7289-2bf4-0310-a012-ef5d649a1542
2010-02-23 15:59:58 +00:00
sixcooler
bfe4693e9a fix for http://forum.yacy-websuche.de/viewtopic.php?f=5&t=2703
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6693 6c8d7289-2bf4-0310-a012-ef5d649a1542
2010-02-23 13:46:56 +00:00
orbiter
f6731c6240 more logging etc.
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6589 6c8d7289-2bf4-0310-a012-ef5d649a1542
2010-01-17 00:41:50 +00:00
orbiter
dd459281c8 applied code changes that are recommended by PMD
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6563 6c8d7289-2bf4-0310-a012-ef5d649a1542
2010-01-10 23:09:48 +00:00
orbiter
d77a8f3b3e added some modifications recommended by PMD for better performance
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6560 6c8d7289-2bf4-0310-a012-ef5d649a1542
2010-01-10 01:40:26 +00:00
orbiter
eeca2ded92 fix for http://forum.yacy-websuche.de/viewtopic.php?p=18500#p18500
- catch uncatched OOM
- less wasting of memory

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6555 6c8d7289-2bf4-0310-a012-ef5d649a1542
2010-01-09 00:08:16 +00:00
orbiter
c14233a933 fix for a OOM in MapView that can cause unavailability of
- seed list
- bookmarks
during very low memory configuration

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6529 6c8d7289-2bf4-0310-a012-ef5d649a1542
2009-12-15 12:23:37 +00:00
orbiter
362b7a929b added extensive memory protection logic to avoid out of memory errors that may be caused by the RowCollection memory allocation function
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6521 6c8d7289-2bf4-0310-a012-ef5d649a1542
2009-12-09 23:27:26 +00:00
orbiter
e34e63a039 preset of proper HashMap dimensions: should prevent re-hashing and increase performance
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6511 6c8d7289-2bf4-0310-a012-ef5d649a1542
2009-12-02 14:01:19 +00:00
orbiter
4a5100789f replaced _all_ size() == 0 with isEmpty() and all size() > 0 with !isEmpty(). The isEmpty() method is much faster in some cases, especially when used to access badly balanced hashtables where an size() operation becomes a large iteration.
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6510 6c8d7289-2bf4-0310-a012-ef5d649a1542
2009-12-02 00:37:59 +00:00
orbiter
4df88a4e7a - fixes for missing or bad hashCode computation
- fixes for bad equals() methods that had not been used by hash maps and therefore some classes did not work as objects in hash maps.
- this may also affect some cases where double-checks should have been, but did not work.

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6495 6c8d7289-2bf4-0310-a012-ef5d649a1542
2009-11-20 12:11:56 +00:00
orbiter
dbdf2570ba added comparator and more fixes for SortStack/SortStore
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6494 6c8d7289-2bf4-0310-a012-ef5d649a1542
2009-11-20 03:30:48 +00:00
orbiter
29fe436e36 - fixed post-ranking including prefer mask
- enhanced a core database access method / less wasted ram

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6473 6c8d7289-2bf4-0310-a012-ef5d649a1542
2009-11-09 19:14:51 +00:00
orbiter
4431b9767e added about 450 replacements for printStackTrace() methods to pipe such traces into the log at DATA/LOG/
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6458 6c8d7289-2bf4-0310-a012-ef5d649a1542
2009-11-05 20:28:37 +00:00
orbiter
a0e891c63d - some redesign in UI menu structure to make room for new 'Content Integration' main menu containing import servlets for Wikimedia Dumps, phpbb3 forum imports and OAI-PMH imports
- extended the OAI-PMH test applet and integrated it into the menu. Does still not import OAI-PMH records, but shows that it is able to read and parse this data
- some redesign in ZURL storage: refactoring of access methods, better concurrency, less synchronization
- added a limitation to the LURL metadata database table cache to 20 million entries: this cache was until now not limited and only limited by the available RAM which may have caused a memory-leak-like behavior.

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6440 6c8d7289-2bf4-0310-a012-ef5d649a1542
2009-10-31 11:58:06 +00:00
orbiter
77c99e500f added more control over memory allocation
should avoid some of the OOMs

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6436 6c8d7289-2bf4-0310-a012-ef5d649a1542
2009-10-27 15:25:48 +00:00
orbiter
2a7fe35f92 performance tuning using more final modifiers in the kelondro core
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6402 6c8d7289-2bf4-0310-a012-ef5d649a1542
2009-10-12 17:37:12 +00:00
orbiter
cb4de9ceee fixed a bug in table iterator (did not recognize elements in write buffer)
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6401 6c8d7289-2bf4-0310-a012-ef5d649a1542
2009-10-12 08:06:35 +00:00
orbiter
bea3b99aff moved table and util classes
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6397 6c8d7289-2bf4-0310-a012-ef5d649a1542
2009-10-10 01:14:19 +00:00
orbiter
194da25a2f moved kelondro index
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6393 6c8d7289-2bf4-0310-a012-ef5d649a1542
2009-10-09 23:32:08 +00:00