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yacy_search_server
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20 Commits (0d6176804b27db5131ece5c086849fe5c717c313)

Author SHA1 Message Date
Michael Christen c04bfaa51b refactoring
13 years ago
orbiter 035ebfbf3b - performance hacks (should affect the crawl balancer and reduce CPU load during crawl stack re-fill)
14 years ago
orbiter 1912d0cccc changed handling of RowSet element retrieval: until today all elements had been copied from the underlying byte[] arrays into a new Entry object that again had a copy of a portion of that byte[] in its own bye[]. There was an option to just refer to the underlying byte[] with a pointer but that was almost never used. This commit now changes an interface to the Row class where it is now necessary to tell if a copy is always required. Fortunately the copy is only needed in very rare cases. That means that this change should cause much less memory allocation; it is expected that this happens especially during search situations.
14 years ago
orbiter 4bea3f9714 hack to reduce resource contention caused by massive UTF8 decodings which use java.nio resources:
14 years ago
orbiter 5b579e21a3 code cleanup
14 years ago
orbiter 30aed9824a moved getBytes() to UTF8.getBytes() to use a default String encoding
14 years ago
low012 3b40b98256 *) set SVN properties
14 years ago
orbiter cb1f49d0f2 replaced all 'new String' with default encoding (missing) or UTF-8 encoding with a String generation method that uses a pre-defined Charset constant for UTF-8. This avoids a cache-lookup for the Charset object using String hashing of the String 'UTF-8'.
14 years ago
orbiter 1110d16af9 performance hack: replaced generic row.getColBytes() call with row.getPrimaryKeyBytes() where the column is 0
14 years ago
orbiter 39f409a7bb performance hacks
15 years ago
orbiter 6388a58fc7 better memory management and slightly less (in total and temporary) RAM allocation:
15 years ago
orbiter 5924a0d851 - enhanced concurrency in database index access for multicore
15 years ago
orbiter 9cde05418f fixed url crawl list display
15 years ago
orbiter 7b69d79727 enhanced remove() operation: in many cases it is not necessary to return the removed object to the called.
15 years ago
orbiter 64f29f990e a collection of performance hacks and code cleanup:
15 years ago
orbiter 25aef069a6 continuing String-hash - to - byte[]-hash redesign that was started in SVN 6775
15 years ago
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.
15 years ago
orbiter 4431b9767e added about 450 replacements for printStackTrace() methods to pipe such traces into the log at DATA/LOG/
15 years ago
orbiter cb4de9ceee fixed a bug in table iterator (did not recognize elements in write buffer)
16 years ago
orbiter bea3b99aff moved table and util classes
16 years ago