MarkLogic 12 Product Documentationxdmp:database-query-balancer-forest-status
xdmp:database-query-balancer-forest-status( $database-id as xs:unsignedLong, $options as xs:unsignedLong* ) as element(query-balancer-forest-status)*
Summary
Returns the forest status of query balancer .
| Parameters | |
|---|---|
| database-id | One database ID. |
| options | One or more host (E-node) IDs |
Required Privileges
http://marklogic.com/xdmp/privileges/status
Example
xdmp:database-query-balancer-forest-status(xdmp:database("db1"), xdmp:host())
=>
<query-balancer-forest-status xmlns="http://marklogic.com/xdmp/status/query-balancer">
<database-id>2538160671636936568</database-id>
<e-node>
<host-id>14705171783503040404</host-id>
<query-count>100</query-count>
</e-node>
<forests>
<forest-set>
<master-forest>
<forest-id>7339721735579398311</forest-id>
<forest-name>forest-1aM-host1</forest-name>
<forest-latency-residual>0.98614074177507</forest-latency-residual>
<query-selection-count>93</query-selection-count>
</master-forest>
<replica-forest>
<forest-id>6051028368999336034</forest-id>
<forest-name>forest-1aR-host2</forest-name>
<forest-latency-residual>1.07758144899126</forest-latency-residual>
<query-selection-count>7</query-selection-count>
</replica-forest>
</forest-set>
<forest-set>
<master-forest>
<forest-id>6003526074591580332</forest-id>
<forest-name>forest-2aM-host2</forest-name>
<forest-latency-residual>1.15892000481638</forest-latency-residual>
<query-selection-count>52</query-selection-count>
</master-forest>
<replica-forest>
<forest-id>4848418299883310539</forest-id>
<forest-name>forest-2aR-host3</forest-name>
<forest-latency-residual>1.16167459200262</forest-latency-residual>
<query-selection-count>48</query-selection-count>
</replica-forest>
</forest-set>
<forest-set>
<master-forest>
<forest-id>14048064460440151579</forest-id>
<forest-name>forest-3aM-host3</forest-name>
<forest-latency-residual>1.04021374068951</forest-latency-residual>
<query-selection-count>7</query-selection-count>
</master-forest>
<replica-forest>
<forest-id>347894727347880342</forest-id>
<forest-name>forest-3aR-host1</forest-name>
<forest-latency-residual>0.979310083694326</forest-latency-residual>
<query-selection-count>93</query-selection-count>
</replica-forest>
</forest-set>
</forests>
</query-balancer-forest-status>