Opinions on using different client nodes for indexing and searching

[lwintergerst (Luca Wintergerst)]

Here you go

Find out what causes long GC cycles on client node

This might be useful references: For me, it was almost always fielddata. Look for evictions in that and filterdata. _node/stats and/or marvel or other monitor is your friend for troubleshooting this. If you are not using doc_values, it can help (at some indexing cost).