Is distributed MLT officially released or you are using a patch? El martes, 20 de agosto de 2013, Shawn Heisey escribió:
> Before I file an issue on this, I wanted to bring it up here, so I can see > if there's something I'm overlooking. > > Distributed MLT is very very slow for me. I can make it work, but a QTime > of one to two minutes in production isn't acceptable. Sending a > non-distributed MLT request directly to a large shard takes about 1.5 > seconds. There are six large cold shards and one tiny hot shard. > > I used my dev server to gather some logs. This server is considerably > less powerful than my production servers, but has exactly the same data. > It's running a 4.5 snapshot with the patch from SOLR-5125. Unlike my > production servers, the dev server takes over four minutes for the > distributed MLT request. Slightly redacted logfile at this URL: > > https://dl.dropboxusercontent.**com/u/97770508/slow-mlt.log<https://dl.dropboxusercontent.com/u/97770508/slow-mlt.log> > > After I ran the query that you can see in the logfile, I restarted Solr on > my dev server and ran one of the slow subrequests directly to a shard. > Here's the debugQuery timing section from that request. QTime on it was > 56506: > > "QParser":"LuceneQParser", > "timing":{ > "time":56504.0, > "prepare":{ > "time":29.0, > "query":{ > "time":29.0}, > "facet":{ > "time":0.0}, > "mlt":{ > "time":0.0}, > "highlight":{ > "time":0.0}, > "stats":{ > "time":0.0}, > "spellcheck":{ > "time":0.0}, > "debug":{ > "time":0.0}}, > "process":{ > "time":56475.0, > "query":{ > "time":935.0}, > "facet":{ > "time":0.0}, > "mlt":{ > "time":55442.0}, > "highlight":{ > "time":0.0}, > "stats":{ > "time":0.0}, > "spellcheck":{ > "time":0.0}, > "debug":{ > "time":98.0}}}}} > > Is there anything for me to do other than file an issue? > > Thanks, > Shawn > -- - Luis Cappa