Thanks Otis. The reason that we use regexp filter is also the simplicity. We have a layer that translates front-end format query to ElasticSearch query DSL. Definitly we need use something like phrase_query and some custom analyser.
在 2013年12月25日星期三UTC+1上午4时44分11秒，Otis Gospodnetic写道： > > Hi, > > On Tuesday, December 24, 2013 8:47:54 AM UTC-5, Han JU wrote: >> >> Hi, >> >> We're approaching the first release of our product and we use >> ElasticSearch as a key component in our system. But there's still some >> questions and doubts so I'd like to listen to the more experienced users >> and ElasticSearch folks here. >> >> 1. We use ElasticSearch as a search tool but also the storage of all >> documents. It means that the front-end retrieves fields from ES just as if >> it's a database. We've already disable the index (index: no) on the fields >> that don't need to be searched (list of ids etc.) but is this a good usage >> of ElasticSearch? Given that we expected to have ~ 1 billion documents (~ >> 1.4kb each) in our first 3 months in a single index. >> > > 1.4KB is pretty small, so that's fine. Often keeping it all in ES is > simpler - doesn't require another hope to another server (e.g. a DB) to > retrieve display data, there is one moving piece fewer, which makes > everything simple. I'd keep your display data in ES and worry about > changing it later IFF you have issues. > > >> 2. We will use thrift to push documents in production because we've seen >> a performance gain. Is there any downside of using thrift over plain json? >> >> 3. Some of our queries uses regexp filter. In my comprehension this needs >> to load the target field of every document to see if it matches, so it's >> pretty costly for an index of 1 billion docs? >> > > Yes, regexps are not the fastest. What are you trying to do that requires > regexp filter? > > Otis > -- > Performance Monitoring * Log Analytics * Search Analytics > Solr & Elasticsearch Support * http://sematext.com/ > > -- 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/4665964d-b3f2-42ca-980f-b543496686f5%40googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
