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JavaScript xdmp.databaseQueryBalancerForestStatus

MarkLogic 12 Product Documentation
xdmp: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>

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