I'm reindexing 9.2TB-data index (~2bn documents) from a v2-created index (restored onto v5.6 cluster) into a v5 created 20-shard index (on same cluster). The elasticsearch cluster consists of 9-nodes, each with 32 GiB RAM, 8 cores and a 4TB SSD. It's taken about 12 days so far and seems to have slo…

Improve reindex speed into new cluster

warkolm (Mark Walkom) December 5, 2018, 10:41am 2

I moved this one to it's own topic. Your request is about reindex speed, but your setup is different so it makes sense to ask questions specifically about it

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How to reindex using date field in source index?

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