see issues on github
Upgrading from 0.18 requires issuing a full flush of all the indices in the cluster (
) before shutting down the cluster, with no indexing operations happening after the flush.
The local gateway state structure has changed, a backup of the state files is created when upgrading, they can then be used to downgrade back to 0.18. Don’t downgrade without using them.
Use bloom filter when flushing (applying deletes) (
“index_analyzer” and “search_analyzer” should override “analyzer” (
deb package fails to start elasticsearch (
Stored Compression: failure to fetch document in certain cases (read failure, index compression works) (