Re: Max indexing threads & RamBuffered size

2015-12-07 Thread KNitin
Thanks Eric. I will profile and check it out. On Saturday, December 5, 2015, Erick Erickson wrote: > bq: What adds bottleneck in the indexing flow? Is it the buffering and > flushing > out to disk ? > > It Depends (tm). What do the Solr logs show when one of these two things > happens? > > You p

Re: Max indexing threads & RamBuffered size

2015-12-05 Thread Erick Erickson
bq: What adds bottleneck in the indexing flow? Is it the buffering and flushing out to disk ? It Depends (tm). What do the Solr logs show when one of these two things happens? You pretty much have to put a profiler on the Solr instance to see where it's spending the time, but timeouts are very of

Re: Max indexing threads & RamBuffered size

2015-12-05 Thread KNitin
I have an extremely large indexing load (per doc size of 4-5 Mb with over 100M docs). I have auto commit settings to flush to disk (with open searcher as false) every 20 seconds. Even with that the update sometime fails or timed out. The goal is to improve the indexing throughput and hence trying t

Re: Max indexing threads & RamBuffered size

2015-12-05 Thread Erick Erickson
I'm pretty sure that max indexing threads is per core, but just looked and it's not supported in Solr 5.3 and above so I wouldn't worry about it at all. I've never seen much in the way of benefit for bumping this past 128M or maybe 256M. This is just how much memory is filled up before the buffer