index.reindex.size=100
# Request body template for reindex operations.
index.reindex.body={"source":{"index":"__SOURCE_INDEX__","size":__SIZE__},"dest":{"index":"__DEST_INDEX__"},"script":{"source":"__SCRIPT_SOURCE__"}}
# Requests per second for reindex operations ("adaptive" for auto).
index.reindex.requests_per_second=adaptive
# Whether to refresh the index after reindexing.
index.reindex.refresh=false

    String INDEX_REINDEX_SIZE = "index.reindex.size";

    /** The key of the configuration. e.g. {"source":{"index":"__SOURCE_INDEX__","size":__SIZE__},"dest":{"index":"__DEST_INDEX__"},"script":{"source":"__SCRIPT_SOURCE__"}} */
    String INDEX_REINDEX_BODY = "index.reindex.body";

    /** The key of the configuration. e.g. adaptive */
    String INDEX_REINDEX_requests_per_second = "index.reindex.requests_per_second";

                .replace("__SOURCE_INDEX__", fromIndex)//
                .replace("__SIZE__", fessConfig.getIndexReindexSize())//
                .replace("__DEST_INDEX__", toIndex)//
                .replace("__SCRIPT_SOURCE__", ComponentUtil.getLanguageHelper().getReindexScriptSource());
        return reindex(fromIndex, toIndex, source, waitForCompletion);
    }

    /**
     * Reindexes documents from one index to another.
     *