> Each fq will create a bitmap that is bounded by (maxdocs / 8) bytes. > > You can think of the entries in the fiterCache as a map where the key is > the filter query you specify and the value is the aforementioned bitmap. > The number of entries specified in the config file is the number of > entries in that map. So the cache can take up roughly (assuming the size > if 512) 512 * maxDocs / 8 bytes.
Don't you mean 512 * (maxDocs / 8 bytes) since you first say that each filter is maxDoc / 8? > > Best > Erick > > On Fri, Nov 18, 2011 at 6:49 PM, Andrew Lundgren > > <lundg...@familysearch.org> wrote: > > I am new to solr in general and trying to get a handle on the memory > > requirements for caching. Specifically I am looking at the filterCache > > right now. The documentation on size setting seems to indicate that it > > is the number of values to be cached. Did I read that correctly, or is > > it really the amount of memory that will be set aside for the cache? > > > > How do you determine how much cache each fq will consume? > > > > Thank you! > > > > -- > > Andrew Lundgren > > lundg...@familysearch.org > > > > > > NOTICE: This email message is for the sole use of the intended > > recipient(s) and may contain confidential and privileged information. > > Any unauthorized review, use, disclosure or distribution is prohibited. > > If you are not the intended recipient, please contact the sender by > > reply email and destroy all copies of the original message.
