- added a open-on-demand hack to heap files: when a heap file is
opened the first time, it is first scanned to get a key index
and then it is closed again. This will free up file pointers
in cases where a really large number of blob files are opened
upon initialization of ArrayStack objects. This should solve
also a problem reported in
http://forum.yacy-websuche.de/viewtopic.php?p=17191#p17191
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6267 6c8d7289-2bf4-0310-a012-ef5d649a1542
- The indexing queue was a historic data structure that was introduced at the very beginning at the project as a part of the switchboard organisation object structure. Without the indexing queue the switchboard queue becomes also superfluous. It has been removed as well.
- Removing the switchboard queue requires that all servlets are called without a opaque generic ('<?>'). That caused that all serlets had to be modified.
- Many servlets displayed the indexing queue or the size of that queue. In the past months the indexer was so fast that mostly the indexing queue appeared empty, so there was no use of it any more. Because the queue has been removed, the display in the servlets had also to be removed.
- The surrogate work task had been a part of the indexing queue control structure. Without the indexing queue the surrogates needed its own task management. That has been integrated here.
- Because the indexing queue had a special queue entry object and properties attached to this object, the propterties had to be moved to the queue entry object which is part of the new indexing queue withing the blocking queue, the Response Object. That object has now also the new properties of the removed indexing queue entry object.
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6225 6c8d7289-2bf4-0310-a012-ef5d649a1542
- added new Stack class that implements a stack on BLOB files
- added new Stacks class that can be used for a set of Stacks (a 'Stack Database')
- added methods to other classes to support the new stacks
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6169 6c8d7289-2bf4-0310-a012-ef5d649a1542
high-performance search query situations as seen in yacy-metager integration showed deadlock situation caused by synchronization effects inside of sun.java code. It appears that the logger is not completely safe against deadlock situations in concurrent calls of the logger. One possible solution would be a outside-synchronization with 'synchronized' statements, but that would further apply blocking on all high-efficient methods that call the logger. It is much better to do a non-blocking hand-over of logging lines and work off log entries with a concurrent log writer. This also disconnects IO operations from logging, which can also cause IO operation when a log is written to a file. This commit not only moves the logger from kelondro to yacy.logging, it also inserts the concurrency methods to realize non-blocking logging.
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6078 6c8d7289-2bf4-0310-a012-ef5d649a1542
- added a analysis method that counts bytes that could be saved in case the new HandleMap can be applied in the most efficient way. Look for the log messages beginning with "HeapReader saturation": in most cases we could save about 30% RAM!
- removed the old FlexTable database structure. It was not used any more.
- removed memory statistics in PerformanceMemory about flex tables and node caches (node caches were used by Tree Tables, which are also not used any more)
- add a stub for a steering of navigation functions. That should help to switch off naviagtion computation in cases where it is not demanded by a client
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6034 6c8d7289-2bf4-0310-a012-ef5d649a1542
This removes the last very IO-intensive data structures which were still used for Wiki, Blog and Bookmarks. Old database files will still remain in the DATA subdirectory but can be deleted manually if no major bugs appear during migration. There is no need for any user action, all migration is done automatically.
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@5986 6c8d7289-2bf4-0310-a012-ef5d649a1542
- 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
- 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
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