Re: # of fields, performance

2008-12-03 Thread Michael McCandless
Also, if you do some testing of this, please post back the results if you can. As you've noticed, this (how Lucene performs with a great many / variable fields per doc) isn't a well explored area yet... Mike Mark Miller wrote: There is not much impact as long as you turn off Norms for t

Re: # of fields, performance

2008-12-02 Thread Mark Miller
There is not much impact as long as you turn off Norms for the majority of them. - Mark On Dec 2, 2008, at 8:47 AM, Darren Govoni <[EMAIL PROTECTED]> wrote: Hi, I saw this question asked before without a clear answer. Pardons if I missed it in the archive elsewhere. Is there a serious deg

# of fields, performance

2008-12-02 Thread Darren Govoni
Hi, I saw this question asked before without a clear answer. Pardons if I missed it in the archive elsewhere. Is there a serious degradation of performance when using high number of fields per document? Like 100's? Is the impact more on the write than the read? What are the performance charact