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https://issues.apache.org/jira/browse/IOTDB-1260?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17311478#comment-17311478
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Tian Jiang commented on IOTDB-1260:
-----------------------------------
Distributed cache is a serious challenge if strong consistency is targeted. The
synchronization overhead in a pulling schema and the failure in a pushing
schema may be the main concern. Before taking action, I would advise a further
investigation of existing techniques.
> optimize time_range query
> -------------------------
>
> Key: IOTDB-1260
> URL: https://issues.apache.org/jira/browse/IOTDB-1260
> Project: Apache IoTDB
> Issue Type: Improvement
> Components: Core/Cluster
> Reporter: Chao Wang
> Assignee: Chao Wang
> Priority: Major
> Labels: pull-request-available
> Fix For: 0.12.0
>
>
> According to the analysis of the flame diagram, there are three bottlenecks:
> 1. Pagereader read
> 2.CMMnager.getMatchedPaths 17%
> 3. syncMetaLeader 10%
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