We are upgrading to 2.1 and reindexing all the data from scratch, when growing or shrinking the cluster it takes hours to relocate or recover a shard. On the 1.7.1 cluster it usually took a few minute for a small shard, same sized shard took almost an hour to recover on 2.1. Most of the time is spen…

ES2.1 shard recovery is extremely slow

jochen_st (Jochen St) December 4, 2015, 10:17am 2

Please see also this thread:

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