Scrum board backlog may load all issues and potentially trigger a DB query for each issue

"http-nio-8090-exec-15 url: /jira/rest/greenhopper/1.0/xboard/plan/backlog/data.json; user: admin@76309" daemon prio=5 tid=0x23 nid=NA runnable
  java.lang.Thread.State: RUNNABLE
      at com.atlassian.rm.common.env.issues.JiraIssuePropertyService.get(JiraIssuePropertyService.java:48)
      at com.atlassian.rm.common.env.issues.JiraIssuePropertyService.get(JiraIssuePropertyService.java:36)
      at com.atlassian.rm.teams.customfields.team.TeamIssuePropertyService.getTeamId(TeamIssuePropertyService.java:25)
      at com.atlassian.rm.teams.customfields.team.IssueTeamService.getTeamForIssue(IssueTeamService.java:60)
      at com.atlassian.rm.teams.customfields.team.IssueTeamService.getTeam(IssueTeamService.java:44)
      at com.atlassian.rm.teams.customfields.team.TeamCustomFieldTypeHelper.getTeam(TeamCustomFieldTypeHelper.java:179)
      at com.atlassian.rm.teams.customfields.team.TeamCustomFieldType.getValueFromIssue(TeamCustomFieldType.java:142)
      at com.atlassian.rm.teams.customfields.team.TeamCustomFieldType.getValueFromIssue(TeamCustomFieldType.java:34)
      at com.atlassian.jira.issue.fields.ImmutableCustomField.getValue(ImmutableCustomField.java:354)
      at com.atlassian.jira.issue.DocumentIssueImpl.getCustomFieldValue(DocumentIssueImpl.java:350)
      at com.atlassian.jira.issue.fields.ImmutableCustomField.getRendererCustomFieldValue(ImmutableCustomField.java:820)
      at com.atlassian.jira.issue.fields.ImmutableCustomField.getColumnViewHtml(ImmutableCustomField.java:815)
      at com.atlassian.greenhopper.web.rapid.list.ExtraFieldsHelper.createColumnViewEntry(ExtraFieldsHelper.java:143)
      at com.atlassian.greenhopper.web.rapid.list.ExtraFieldsHelper.renderField(ExtraFieldsHelper.java:123)
      at com.atlassian.greenhopper.web.rapid.list.ExtraFieldsHelper.renderFields(ExtraFieldsHelper.java:81)
      at com.atlassian.greenhopper.web.rapid.list.ExtraFieldsCallbackComponent.processFieldData(ExtraFieldsCallbackComponent.java:33)
      at com.atlassian.greenhopper.web.rapid.list.RapidIssueEntryCallback.createVisibleEntry(RapidIssueEntryCallback.java:222)
      at com.atlassian.greenhopper.web.rapid.list.RapidIssueEntryCallback.fieldData(RapidIssueEntryCallback.java:189)
      at com.atlassian.greenhopper.service.issue.callback.AbstractCompoundDataCallback.issueComplete(AbstractCompoundDataCallback.java:41)
      at com.atlassian.greenhopper.service.issue.callback.ComposedIssueDataCallback.issueComplete(ComposedIssueDataCallback.java:64)
      at com.atlassian.greenhopper.service.issue.IssueDataLoader.collect(IssueDataLoader.java:65)
      at com.atlassian.greenhopper.service.issue.IssueDataLoader.collect(IssueDataLoader.java:38)
      at com.atlassian.greenhopper.service.issue.IssueDataServiceImpl$$Lambda$5007.486276621.accept(Unknown Source:-1)
      at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184)
      at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
      at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1382)
      at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)
      at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
      at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151)
      at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174)
      at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
      at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418)
      at com.atlassian.greenhopper.service.issue.IssueDataServiceImpl.findImpl(IssueDataServiceImpl.java:170)
      at com.atlassian.greenhopper.service.issue.IssueDataServiceImpl.findAndSortWithServiceOutcome(IssueDataServiceImpl.java:93)
      at com.atlassian.greenhopper.web.rapid.list.RapidIssueEntryQueryServiceImpl.collectIssues(RapidIssueEntryQueryServiceImpl.java:823)
      at com.atlassian.greenhopper.web.rapid.list.RapidIssueEntryQueryServiceImpl.collectPlanModeIssues(RapidIssueEntryQueryServiceImpl.java:373)
      at com.atlassian.greenhopper.web.rapid.plan.PlanningModeServiceImpl.getBacklogIssuesAndSprintAssignment(PlanningModeServiceImpl.java:92)
      at com.atlassian.greenhopper.web.rapid.plan.PlanningModeHelper.loadNewBacklogData(PlanningModeHelper.java:130)
      at com.atlassian.greenhopper.web.rapid.plan.PlanningModeResource.lambda$getBacklogData$0(PlanningModeResource.java:106)
      at com.atlassian.greenhopper.web.rapid.plan.PlanningModeResource$$Lambda$4972.214327275.call(Unknown Source:-1)
      at com.atlassian.greenhopper.web.util.RestCall.response(RestCall.java:38)
      at com.atlassian.greenhopper.web.AbstractResource.createResponse(AbstractResource.java:87)
      at com.atlassian.greenhopper.web.AbstractResource.response(AbstractResource.java:69)
      at com.atlassian.greenhopper.web.rapid.plan.PlanningModeResource.getBacklogData(PlanningModeResource.java:96)
      at sun.reflect.GeneratedMethodAccessor1694.invoke(Unknown Source:-1)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      at java.lang.reflect.Method.invoke(Method.java:498)
      at com.atlassian.plugins.rest.common.interceptor.impl.DispatchProviderHelper$ResponseOutInvoker.lambda$_dispatch$0(DispatchProviderHelper.java:181)
      at com.atlassian.plugins.rest.common.interceptor.impl.DispatchProviderHelper$ResponseOutInvoker$$Lambda$3597.2133231141.invoke(Unknown Source:-1)
      at com.atlassian.plugins.rest.common.interceptor.impl.DispatchProviderHelper.lambda$invokeMethodWithInterceptors$0(DispatchProviderHelper.java:81)
      at com.atlassian.plugins.rest.common.interceptor.impl.DispatchProviderHelper$$Lambda$3598.1160152725.intercept(Unknown Source:-1)
      at com.atlassian.plugins.rest.common.interceptor.impl.DefaultMethodInvocation.invoke(DefaultMethodInvocation.java:53)
      at com.atlassian.plugins.rest.common.expand.interceptor.ExpandInterceptor.intercept(ExpandInterceptor.java:42)
      at com.atlassian.plugins.rest.common.interceptor.impl.DefaultMethodInvocation.invoke(DefaultMethodInvocation.java:53)
      at com.atlassian.plugins.rest.common.interceptor.impl.DispatchProviderHelper.invokeMethodWithInterceptors(DispatchProviderHelper.java:106)
      at com.atlassian.plugins.rest.common.interceptor.impl.DispatchProviderHelper$ResponseOutInvoker._dispatch(DispatchProviderHelper.java:180)
...
      at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:926)
      at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1791)
      at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52)
      at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)
      at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
      at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
      at java.lang.Thread.run(Thread.java:748)