data model size splunk search

|rest servicesNS/-/-/data/models splunk_server_group=dmc_group_search_head
| search acceleration="1" 
| table title eai:appName eai:userName splunk_server
| rename eai:appName AS name| eval myDatamodel="DM_" . name . "_" . title
|map maxsearches=50 search="|rest /servicesNS/nobody/-/admin/summarization/tstats:$$myDatamodel$$ splunk_server=$$splunk_server$$"|table eai:acl.app, summary.id, summary.size, summary.time_range, splunk_server |rename summary.time_range as retention_period eai:acl.app as app summary.size as size summary.id as datamodel|eval sizeGB=round(size/1024/1024/1024,2) | eval retention_period = retention_period/86400 |fields - size | lookup dmc_assets serverName AS splunk_server OUTPUT search_group | rex field=search_group "dmc_searchheadclustergroup_(?<cluster_guid>.*)" | eval search_head_cluster=coalesce(cluster_guid, splunk_server) | stats values(splunk_server) AS splunk_servers values(sizeGB) as sizeGB values(app) AS app values(search_group) AS search_groups values(retention_period) AS retention_period by datamodel search_head_cluster | table datamodel app splunk_servers search_head_cluster retention_period sizeGB | sort - sizeGB | eval search_head_cluster=if(splunk_servers==search_head_cluster,"None",search_head_cluster)
 | rename datamodel as "Data Model" app AS "App" "splunk_servers" as "Search Head(s)" search_head_cluster AS "Search Head Cluster" retention_period AS "Retention Period (days)" sizeGB AS "Usage (GB)"