I tried to upgrade ES v 1.7.5 to 5.0.0-alpha1 (single node) on VM centos7. First, I run API migration, I had only "blue" informations about the mappings. Second, I upgrade ES and tried to list indices. I found only .kibana indices
Thanks David for your answer. I thought it would be better to upgrade directly to v 5.0.0 if there is no difference between 2.x et 5.0.0 in terms of cluster mappings et query DSL.
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