Reindex API - Extremely Slow


#1

Hi!

My ES Server has 1.4TB of data (6B documents). Reindex API (increasing shard count) is taking forever, in 12 hours it's only done 40GB. Is there anything i can do to speed things up?

Things i've done:
Set refresh interval to -1 (After reindex started)
Current buffer size is 10% (31GB RAM = 3.1GB)

The server is 4tb SSD, 64GB RAM, Intel i7-7700K

Anything i can do to speed this up?


(David Pilato) #2

You have only one node? How many shards for the new index?


(system) closed #3

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