BTW, google revealed that there is a 3rd-party Scala library for async calls which could be usable from Java. I have not tried it myself though https://github.com/inoio/solrs
On 24 August 2015 at 21:35, Arcadius Ahouansou <arcad...@menelic.com> wrote: > Hi Ashish. > > The Apache HttpAsyncClient uses Java Future to wrap a synchronous call > into asyn > The above ticket does similar thing by wrapping a SolrJ call into Future > > Feel free to submit any proposal you may have to the dev list. > > Arcadius > > On 24 August 2015 at 07:20, Ashish Mukherjee <ashish.mukher...@gmail.com> > wrote: > >> Thanks, everyone. Arcadius, that ticket is interesting. >> >> I was wondering if an implementation of SolrClient could be based on >> HttpAsyncClient >> instead of HttpSolrClient. Just a thought right now, which needs to be >> explored deeper. >> >> - Ashish >> >> On Mon, Aug 24, 2015 at 1:46 AM, Arcadius Ahouansou <arcad...@menelic.com >> > >> wrote: >> >> > Hello Ashish. >> > >> > Therse is an unfinished work about this at >> > https://issues.apache.org/jira/browse/SOLR-3383 >> > >> > Maybe you want to have a look and contribute? >> > >> > Arcadius. >> > >> > On 23 August 2015 at 17:02, Walter Underwood <wun...@wunderwood.org> >> > wrote: >> > >> > > The last time that I used the HTTPClient library, it was >> non-blocking. It >> > > doesn’t try to read from the socket until you ask for data from the >> > > response object. That allows parallel requests without threads. >> > > >> > > Underneath, it has a pool of connections that can be reused. If the >> pool >> > > is exhausted, it can block. >> > > >> > > wunder >> > > Walter Underwood >> > > wun...@wunderwood.org >> > > http://observer.wunderwood.org/ (my blog) >> > > >> > > >> > > On Aug 23, 2015, at 8:49 AM, Shawn Heisey <apa...@elyograg.org> >> wrote: >> > > >> > > > On 8/23/2015 7:46 AM, Ashish Mukherjee wrote: >> > > >> I want to run few Solr queries in parallel, which are being done >> in a >> > > >> multi-threaded model now. I was wondering if there are any client >> > > libraries >> > > >> to query Solr through a non-blocking I/O mechanism instead of a >> > > threaded >> > > >> model. Has anyone attempted something like this? >> > > > >> > > > The only client library that the Solr project makes is SolrJ -- the >> > > > client for Java. If you are not using the SolrJ client, then the >> Solr >> > > > project did not write it, and you should contact the authors of the >> > > > library directly. >> > > > >> > > > SolrJ and Solr are both completely thread-safe, and multiple threads >> > are >> > > > recommended for highly concurrent usage. SolrJ uses HttpClient for >> > > > communication with Solr. >> > > > >> > > > I was not able to determine whether the default httpclient settings >> > will >> > > > result in non-blocking I/O or not. As far as I am aware, nothing in >> > > > SolrJ sets any explicit configuration for blocking or non-blocking >> I/O. >> > > > You can create your own HttpClient object in a SolrJ program and >> have >> > > > the SolrClient object use it. >> > > > >> > > > HttpClient uses HttpCore. Here is the main web page for these >> > > components: >> > > > >> > > > https://hc.apache.org/ >> > > > >> > > > On this webpage, it says "HttpCore supports two I/O models: blocking >> > I/O >> > > > model based on the classic Java I/O and non-blocking, event driven >> I/O >> > > > model based on Java NIO." There is no information here about which >> > > > model is chosen by default. >> > > > >> > > > Thanks, >> > > > Shawn >> > > > >> > > >> > > >> > >> > >> > -- >> > Arcadius Ahouansou >> > Menelic Ltd | Information is Power >> > M: 07908761999 >> > W: www.menelic.com >> > --- >> > >> > > > > -- > Arcadius Ahouansou > Menelic Ltd | Information is Power > M: 07908761999 > W: www.menelic.com > --- > -- Arcadius Ahouansou Menelic Ltd | Information is Power M: 07908761999 W: www.menelic.com ---
