Я использую elasticsearch 5.6.16
Я установил плагин icu для анализа. Но выделение моего шарда не удалось, и это причина этого.
"node_id" : "wcF3Ob3ATKu5jB3_ur2k8w",
"node_name" : "prod-08-gce",
"transport_address" : "10.10.80.12:9300",
"node_decision" : "no",
"deciders" : [
{
"decider" : "max_retry",
"decision" : "NO",
"explanation" : "shard has exceeded the maximum number of retries [5] on failed allocation attempts - manually call [/_cluster/reroute?retry_failed=true] to retry, [unassigned_info[[reason=ALLOCATION_FAILED], at[2020-06-19T19:06:20.436Z], failed_attempts[5], delayed=false, details[failed to create index, failure IllegalArgumentException[Unknown char_filter type [icu_normalizer] for [icu_normalizer_casesensitive]]], allocation_status[no_attempt]]]"
}
]
}
]