Which of any of these settings would be beneficial when bulk uploading?
On Fri, Jan 31, 2014 at 11:05 AM, Mark Miller <markrmil...@gmail.com> wrote: > > > On Jan 31, 2014, at 1:56 PM, Greg Walters <greg.walt...@answers.com> > wrote: > > > I'm assuming you mean CloudSolrServer here. If I'm wrong please ignore > my response. > > > >> -updatesToLeaders > > > > Only send documents to shard leaders while indexing. This saves > cross-talk between slaves and leaders which results in more efficient > document routing. > > Right, but recently this has less of an affect because CloudSolrServer can > now hash documents and directly send them to the right place. This option > has become more historical. Just make sure you set the correct id field on > the CloudSolrServer instance for this hashing to work (I think it defaults > to "id"). > > > > >> shutdownLBHttpSolrServer > > > > CloudSolrServer uses a LBHttpSolrServer behind the scenes to distribute > requests (that aren't updates directly to leaders). Where did you find > this? I don't see this in the javadoc anywhere but it is a boolean in the > CloudSolrServer class. It looks like when you create a new CloudSolrServer > and pass it your own LBHttpSolrServer the boolean gets set to false and the > CloudSolrServer won't shut down the LBHttpSolrServer when it gets shut down. > > > >> parellelUpdates > > > > The javadoc's done have any description for this one but I checked out > the code for CloudSolrServer and if parallelUpdates it looks like it > executes update statements to multiple shards at the same time. > > Right, we should def add some javadoc, but this sends updates to shards in > parallel rather than with a single thread. Can really increase update > speed. Still not as powerful as using CloudSolrServer from multiple > threads, but a nice improvement non the less. > > > - Mark > > http://about.me/markrmiller > > > > > I'm no dev but I can read so please excuse any errors on my part. > > > > Thanks, > > Greg > > > > On Jan 31, 2014, at 11:40 AM, Software Dev <static.void....@gmail.com> > wrote: > > > >> Can someone clarify what the following options are: > >> > >> - updatesToLeaders > >> - shutdownLBHttpSolrServer > >> - parallelUpdates > >> > >> Also, I remember in older version of Solr there was an efficient format > >> that was used between SolrJ and Solr that is more compact. Does this > sill > >> exist in the latest version of Solr? If so, is it the default? > >> > >> Thanks > > > >
