[jira] [Commented] (IOTDB-1292) Differentiable MTree

2021-04-15 Thread Tian Jiang (Jira)


[ 
https://issues.apache.org/jira/browse/IOTDB-1292?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17322567#comment-17322567
 ] 

Tian Jiang commented on IOTDB-1292:
---

One possible solution.

> Differentiable MTree
> 
>
> Key: IOTDB-1292
> URL: https://issues.apache.org/jira/browse/IOTDB-1292
> Project: Apache IoTDB
>  Issue Type: Improvement
>  Components: Core/Cluster
>Reporter: Tian Jiang
>Priority: Major
>  Labels: metadata, synchronization
>
> We have the sync tool for incremental data file synchronization, but it is 
> non-trivial to synchronize metadata incrementally since two MTrees cannot be 
> compared at a low cost.
> So differentiable MTree is necessary to make it possible to compare two 
> MTrees and find the difference between them. When synchronizing the metadata, 
> only the difference will be transmitted and thus the bandwidth usage is 
> reduced.



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[jira] [Commented] (IOTDB-1292) Differentiable MTree

2021-04-08 Thread Houliang Qi (Jira)


[ 
https://issues.apache.org/jira/browse/IOTDB-1292?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17317565#comment-17317565
 ] 

Houliang Qi commented on IOTDB-1292:


+1, It is expected to improve the performance greatly

> Differentiable MTree
> 
>
> Key: IOTDB-1292
> URL: https://issues.apache.org/jira/browse/IOTDB-1292
> Project: Apache IoTDB
>  Issue Type: Improvement
>  Components: Core/Cluster
>Reporter: Tian Jiang
>Priority: Major
>  Labels: metadata, synchronization
>
> We have the sync tool for incremental data file synchronization, but it is 
> non-trivial to synchronize metadata incrementally since two MTrees cannot be 
> compared at a low cost.
> So differentiable MTree is necessary to make it possible to compare two 
> MTrees and find the difference between them. When synchronizing the metadata, 
> only the difference will be transmitted and thus the bandwidth usage is 
> reduced.



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This message was sent by Atlassian Jira
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