I remember myself doing &rows=2147483647 2,147,483,647 is integer’s maximum value. I recall using a number bigger than that once and having a NumberFormatException because it couldn’t be parsed into an int. I don’t know if they use Long nowadays, but 2 billion rows is normally more than enough. Small note: Be careful if you are … Read more
Evolving schemas Suppose intially you designed an schema like this for your Employee class { {“name”: “emp_name”, “type”:”string”}, {“name”:”dob”, “type”:”string”}, {“name”:”age”, “type”:”int”} } Later you realized that age is redundant and removed it from the schema. { {“name”: “emp_name”, “type”:”string”}, {“name”:”dob”, “type”:”string”} } What about the records that were serialized and stored before this schema … Read more
Whoosh is actually very fast for a python-only implementation. That said, it’s still at least an order of magnitude slower. Depending on the amount of data you need to index and search and the requirements on the maximum allowable latency and concurrent searches, it may not be an option. SOLR is a bit of a … Read more
Since Solr 1.3, there’s been decent multi-core search capabilities in Solr. Please read the Distributed Search article where it explains how to use the shards parameter to query across multiple cores and return results as one data set.
Use – to indicate NOT. For example, to query documents with id not starting with A59, the query would be: -id:A59*, that is: /solr/select/?q=-id:A59* To delete by query, post the query in a delete message to the update handler, as specified here. EDIT: NOT (all uppercase) can also be used as boolean operator
Trie fields make range queries faster by precomputing certain range results and storing them as a single record in the index. For clarity, my example will use integers in base ten. The same concept applies to all trie types. This includes dates, since a date can be represented as the number of seconds since, say, … Read more
I came across the same issue when upgrading to sunspot 2.1.0 from 2.0.0. I resolved this by adding following line to sunspot.yml (under config in my rails app) on the development: block (maybe one is needed for test and production ) solr_home: solr So my SOLR installation is under rails-app-dir/solr and the configuration there under … Read more
You can also check out ifilters – there are a number of resources if you do a search for asp.net ifilters: http://www.codeproject.com/KB/cs/IFilter.aspx http://en.wikipedia.org/wiki/IFilters http://www.ifilter.org/ https://stackoverflow.com/questions/1535992/ifilter-or-sdk-for-many-file-types Of course, there is added hassle if you are distributing this to client systems, because you will either need to include the ifilters with your distribution and install those with … Read more
if your default operator is OR, then you can just give the query as sharedTo:(‘foo’ ‘bar’) If your default operator is AND, then you’ll have to do it like this: sharedTo:(foo OR bar)
It’s preferable to use Filter Query over normal Query wherever possible. FilterQuery is able to take advantage of the FilterCache, which would be a huge performance boost in comparison to your queries.