Hi Ivan, If your data sets don't have common fields, I would recommend to use several indices. This will be more make both query execution and postings list compression more efficient.
On Wed, Feb 5, 2014 at 11:55 AM, Ivan Ji <[email protected]> wrote: > Hi all, > > Assume I have two sets of data to be stored. The data field of these two > sets are completely different. > > I am wondering what's the better option between using one index to store > the two set of data and using two index to store these two data? > > If I use only one index, it will result in many fields exist in the > mapping but not really exist in the document. So when to query, does it > make performance worse? Or what's the difference? > > Ideas? > > Thanks a lot. > > Ivan > > -- > You received this message because you are subscribed to the Google Groups > "elasticsearch" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/elasticsearch/f94dc73f-4aba-4ad3-8a1a-80bb257438f6%40googlegroups.com > . > For more options, visit https://groups.google.com/groups/opt_out. > -- Adrien Grand -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/elasticsearch/CAL6Z4j7rkmxtq9xWRipMA2cO7_YeZ2q%3DbK6A3S1%2B9J-nnu7dig%40mail.gmail.com. For more options, visit https://groups.google.com/groups/opt_out.
