I would start by monitoring the hardware (CPU, Memory, Disk) & software (heap, threads) utilization's and seeing where the bottlenecks are. Or what is getting utilized the most. And then tune that parameter.
I would also look at profiling the software. Deepak "The greatness of a nation can be judged by the way its animals are treated. Please consider stopping the cruelty by becoming a Vegan" +91 73500 12833 deic...@gmail.com Facebook: https://www.facebook.com/deicool LinkedIn: www.linkedin.com/in/deicool "Plant a Tree, Go Green" Make In India : http://www.makeinindia.com/home On Sat, Nov 3, 2018 at 4:30 AM Wei <weiwan...@gmail.com> wrote: > Hello, > > After a recent schema change, it takes almost 40 minutes to optimize the > index. The schema change is to enable docValues for all sort/facet fields, > which increase the index size from 12G to 14G. Before the change it only > takes 5 minutes to do the optimization. > > I have tried to increase maxMergeAtOnceExplicit because the default 30 > could be too low: > > <int name="maxMergeAtOnceExplicit">100</int> > > But it doesn't seem to help. Any suggestions? > > Thanks, > Wei >
