Look at your I/O stats. My bet is that you’re swapping like crazy and your CPU is relatively idle.
2T of index on two machines is probably simply too much data on too little hardware. Consider stress testing your hardware gradually, see: https://lucidworks.com/post/sizing-hardware-in-the-abstract-why-we-dont-have-a-definitive-answer/ Best, Erick > On Jul 5, 2020, at 9:38 AM, Sankar Panda <panda.san...@gmail.com> wrote: > > Hi All, > > I am facing performance issue while searching. It took 10mins to get the > results.i have 2 shard and each shard having 2 replicas.80M documents and > index size in each shard is 2T. > > Any suggestions? > > Thanks > Sankar panda
