Unmaintained Tutorial: How to update/upgrade ElasticSearch

http://www.elasticsearch.org/guide/...es-scripting.html#_enabling_dynamic_scripting

Thanks a lot for the advice @Mike

More info: http://www.elasticsearch.org/blog/elasticsearch-1-2-0-released/

Enhancements

• Upgrade to Lucene 4.7.2 #5802
• Geo Point Mapping: Allow to parse lat/lon as strings and coerce them #5626
• Test cluster: Moved wipe* methods, randomIndexTemplate & ensureEstimatedStats to TestCluster #5542

Bug fixes

• Mapping API: Fix include_in_all for multi field #5522
• Mapping API: Throw error when updating binary field mapping to be stored #5474
• Mapping API: geo_point doesn’t allow null values as of 1.1.0 #5680
• Mapping API: Ensure mapping is propagated to master at all times, even if index creation failed #5623
• Mapping API: Ensure that TTL cleanup thread does not accidentally create indices again #5766
• Mapping API: Propagate percolate mapping changes to cluster state #5776
• Snapshot/Restore API: Snapshot status failing without repository #5790
• Snapshot/Restore API: SnapshotMetaData.fromXContent does not match toXContent, but throws an Exception #5615
• Internal: Ensure pending merges are updated on segment flushes #5779
• Internal: Replace InternalSearchResponse#EMPTY with InternalSearchResponse#empty() to prevent out-of-scope modification of that instance #5775
• Internal: Return to use ConcurrentMergeScheduler #5817
• Internal: Closing an IndexReader on an already relocated / closed shard could cause memory leaks #5825
• cat API: _cat plugin endpoint throws an exception #5778
• Allocation: Fix format string for DiskThresholdDecider reroute explanation #5749
• Allocation: Failed shards could be re-assigned to the same nodes if multiple replicas failed at once #5725
• Aggregations: A nested nested aggregation falls outside of its parent nested aggregation bounds #5728
• Field data: Percolator doesn’t reduce CircuitBreaker stats in every case #5588
• Field data: Fixed eager fielddata loading #5557
• Bulk API: Ensure that specific failures do not affect whole request #4987
• Search API: Prevent ArrayIndexOutOfBoundsSelection on counter which selects a random shard in case of a lot of searches #5559
• Search Template API: endpoint now supports source parameter #5556
• REST Scroll API: Clear scroll should accept scroll_id in body #5726
• REST Scroll API: Throw useful error when invalid scroll_id is specified #5738
• Search stats: Make sure successful operations are counted correct if second search phase is fast #5713
• Scripting: ScriptDocValues.EMPTY doesn’t implement getValue, resulting in different behaviour if no document in a segment had a value #5646
• Cluster State: Clusterstate misses the cluster name as it’s identifier #5622
• Tribe node: Fixing errors on start up #5582
• Index Template API: Fixed issue with dynamic mapping in Elasticsearch #5256

Code:

cd /
curl -L -O -k https://download.elasticsearch.org/elasticsearch/elasticsearch/elasticsearch-1.1.0.zip
unzip elasticsearch-1.1.0.zip
rm -rf elasticsearch-1.1.0.zip
rcelasticsearch stop
mv elasticsearch elasticsearch_old
mv elasticsearch-1.1.0 elasticsearch
rm -rf /elasticsearch_old/