Karthik N S wrote:
Here are a couple of possibilities:Hi Luceners,
Apologies.........
Other day was Trying to Search using the "Luceneweb" version with Lucene1-4-1.zip and O/s = Linux, J2SDK version "1.4.2_03-b02"
With Roughly around 500 Documents (715116 kb ) Indexed using
Lucene1.4-final.jar and writer.setUseCompoundFile(true);
- the setUseCompoundFile(true) will only apply to indexes created (or optimized) after the option is set.
All pre-existing indexes will still be in the multi-file format.
- number of documents does not directly impact the number of files needed by Lucene. If the index is
really in a compound file format (see above), and is optimized, you will need a fixed number of file handles.
Even if the index is in a multi-file format, the number of files needed depends on the number of indexed *fields* in the index (not documents).
- do you get the error on the first and every search or only once in a while? Perhaps where there are lots of
concurrent users? Perhaps after you've done X searchers?
- check your OS-level setting for the number of open files. This is shell/system-dependent somewhat, but
"ulimit -a" should get you started. The number of open files should be large enough to allow for all files
and sockets that your application needs to open. In a typical server-side Java app setting this value should
be around 8000. Defaults are much smaller, so unless you have changed this, this may be the answer.
- look into "lsof" utility. It can display all file handles in use by a given process. This is a good tool to
troubleshoot "too many open files" issues.
Good luck. Dmitry.
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