Thanks all for your responses
On Thu, Aug 29, 2013 at 3:18 PM, joergprante@gmail.com <
joergprante@gmail.com> wrote:
The refresh action flushes Lucene buffers (not necessarily to disk). You
can search in the flushed documents only after a refresh, and this refresh
is under full control of the user (behind the scenes, ES refreshes also
when buffers are full).ES uses Lucene NRT. That is, there is an additional RAM index which keeps
the last doc ids for further reference. Note this index will be flushed in
an unpredictable manner, only by internal Lucene mechanisms, not by the
user.Elasticsearch NRT mends this uncertainty by refreshing every 1s, so you
can search and get docs after 1s.Jörg
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