SilverNarcissus opened a new pull request #2405:
URL: https://github.com/apache/iotdb/pull/2405


   <!--
   
       Licensed to the Apache Software Foundation (ASF) under one
       or more contributor license agreements.  See the NOTICE file
       distributed with this work for additional information
       regarding copyright ownership.  The ASF licenses this file
       to you under the Apache License, Version 2.0 (the
       "License"); you may not use this file except in compliance
       with the License.  You may obtain a copy of the License at
   
           http://www.apache.org/licenses/LICENSE-2.0
   
       Unless required by applicable law or agreed to in writing,
       software distributed under the License is distributed on an
       "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
       KIND, either express or implied.  See the License for the
       specific language governing permissions and limitations
       under the License.
   
   -->
   
   <!-- Thanks for trying to help us make Apache IoTDB be the best it can be! 
   Please fill out as much of the following information as is possible (where 
relevant, and remove it 
   when irrelevant) to help make the intention and scope of this PR clear in 
order to ease review. -->
   
   ## Description
   
   Currently out concurrency unit is storage group which can't make full use of 
cpu cores when user only set 1 or 2 storage group. We need virtual storage 
group to improve concurrent performance. This PR finish first part of the 
design.
   
   JIRA:
   
https://issues.apache.org/jira/projects/IOTDB/issues/IOTDB-1079?filter=myopenissues
   
   Design: 
https://cwiki.apache.org/confluence/display/IOTDB/Separate+memory+and+disk+management+in+storage+group+road+map+design
   
   Performance report: coming soon!!!
   
   
   <hr>
   
   This PR has:
   - [ ] been self-reviewed.
       - [ ] concurrent read
       - [ ] concurrent write
       - [ ] concurrent read and write 
   - [ ] added documentation for new or modified features or behaviors.
   - [ ] added Javadocs for most classes and all non-trivial methods. 
   - [ ] added or updated version, __license__, or notice information
   - [ ] added comments explaining the "why" and the intent of the code 
wherever would not be obvious 
     for an unfamiliar reader.
   - [ ] added unit tests or modified existing tests to cover new code paths, 
ensuring the threshold 
     for code coverage.
   - [ ] added integration tests.
   - [ ] been tested in a test IoTDB cluster.
   
   <!-- Check the items by putting "x" in the brackets for the done things. Not 
all of these items 
   apply to every PR. Remove the items which are not done or not relevant to 
the PR. None of the items 
   from the checklist above are strictly necessary, but it would be very 
helpful if you at least 
   self-review the PR. -->
   
   <hr>
   
   ##### Key changed/added classes (or packages if there are too many classes) 
in this PR
   
   <!-- Template copied and modified from Apache Druid-->


----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

For queries about this service, please contact Infrastructure at:
[email protected]


Reply via email to