| metadata -> org.eclipse.jdt.core [message #221225] |
Thu, 29 December 2005 09:55  |
Eclipse User |
|
|
|
Originally posted by: clemens.kofler.chello.at
hello everybody,
looking through the eclipse-workspace, especially the metadata-directory,
i recognized that a huge amount of the total workspace size is allocated
in the folder /.plugins/org.eclipse.jdt.core in some files named xxx.index
...
e.g. my workspace is ~ 17 mb total, .index-files taking ~ 14 mb ...
i'm wondering what these .index-files do ... are they necessary for the
workspace to keep working or could i just delete them without any negative
effect?
greetings
clemens
|
|
|
|
|
| Re: metadata -> org.eclipse.jdt.core [message #222025 is a reply to message #221963] |
Tue, 10 January 2006 13:17  |
| Eclipse User |
|
|
|
Clemens wrote:
> thanks for your answer!
> how significant is this performance issue?!
Difficult to answer this question as it defintely depends on your
project/workspace contents. We never use Search without
indexes and so haven't any time reference while not using them...
Performance advantage of indexes is in the fact that indexing looks only
at one file per project or jar file to extract the list of documents
which really need to be parsed. With this list, search engine does not
waste time to parse document in which we're sure there's no expected
declarations/references.
Without this list search engine will parse *all* compilation units
accessible through your classpath each time you perform a search
request... So, to have an idea of additional time, just perform a full
build of your project/workspace (using Project->Clean...) and compare
with time to compile only units concerned by your search request...
> a little decrease would not hurt that badly, considering the amount of
> webspace (and upload-time) i would save deleting the index-files ...
> furthermore: what search engine are we talking about?
I'm talking about JDT/Core SearchEngine (ie. the one used when you
perform search in Java code or from Java Search tab in Search dialog)
>
> greetings
> clemens
>
|
|
|
Powered by
FUDForum. Page generated in 0.04617 seconds
Home