按星期切分索引
# PUT _ingest/pipeline/weeklyindex{"description": "weekly date-time index naming","processors" : [{"date_index_name": {"field": "time","index_name_prefix": "{{ _index }}-","date_formats": ["yyyy-MM-dd'T'HH:mm:ss.SSS","yyyy-MM-dd'T'HH:mm:ss.SSSZ"],"date_rounding": "w","on_failure": [{"set": {"field": "_index","value": "{{ _index }}-weeklyindex-failed"}}]}}]}
