Hi,

I'm now at the step of signing-keys.

Could someone please help sign my gpg key? The signing step is here:  
https://gist.github.com/F21/b0e8c62c49dfab267ff1d0c6af39ab84

My email is:  [email protected]

The ASCII public key is :


-----BEGIN PGP PUBLIC KEY BLOCK-----

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-----END PGP PUBLIC KEY BLOCK-----

Thanks,
--
Jialin Qiao
School of Software, Tsinghua University

乔嘉林
清华大学 软件学院

> -----原始邮件-----
> 发件人: "Jialin Qiao" <[email protected]>
> 发送时间: 2019-11-10 10:41:28 (星期日)
> 收件人: [email protected]
> 抄送: 
> 主题: Re:  [DISCUSS] Release 0.9.0
> 
> Hi,
> 
> I'm still waiting for two PRs to finish the release notes.
> 
> Online upgrade: https://github.com/apache/incubator-iotdb/pull/467
> Refactor the db.exception: https://github.com/apache/incubator-iotdb/pull/530
> 
> If you have time, please help to review them :)  
> 
> 
> > I looked into the v0.9.0 changelist again and I am confused about 
> > IOTDB-174, which appears in both "New Features" and "Bug Fixes".
> > The description of IOTDB-174 is more like "New Features"- "Add interfaces 
> > for querying device or timeseries number ".
> 
> Yes, the description of IOTDB-174 is a new feature.
> 
> > But the title of the pr#435 related to IOTDB-174 is more like "Bug Fixes" - 
> > "Fix querying timeseries interface cannot make a query by the specified 
> > path prefix".
> 
> This is because after developing the new feature, we find a bug and pr#435 is 
> a bug-fix of this new feature. In this case, I can remove it from the "Bug 
> FIxes" in order not to puzzle readers.
> 
> 
> > Besides, "[IOTDB-165][TsFile] Fix a example" does not only fix a bug, but 
> > also change the TsFile structure,
> > which is unfortunately reflected neither from the JIRA issue title nor the 
> > pr name.
> > From this example, we can also see that it is necessary to name our pr as 
> > accurate as possible.
> > And the release manager better double check if there is inconsistency 
> > between the JIRA issue and the linked pr.
> 
> Agree, the pr#"Fix a example" indeed fixed a TsFileSequenceRead example, but 
> link this to IOTDB-165 is not very clear. Besides, there are two PRs linked 
> to IOTDB-165. PR#409 is the origin one. In this case, I will remove the "fix 
> a example" in the "Bug Fixes".
> 
> >Maybe the sync module is also worthy to mention in the change list. The pr 
> >link is https://github.com/apache/incubator-iotdb/pull/372 
> ><https://github.com/apache/incubator-iotdb/pull/372>.
> 
> Added. 
> 
> Last, the release_notes PR is here:  
> https://github.com/apache/incubator-iotdb/pull/539
> 
> Best,
> --
> Jialin Qiao
> School of Software, Tsinghua University
> 
> 乔嘉林
> 清华大学 软件学院
> 
> > -----原始邮件-----
> > 发件人: "Lei Rui" <[email protected]>
> > 发送时间: 2019-11-09 19:56:10 (星期六)
> > 收件人: "[email protected]" <[email protected]>
> > 抄送: 
> > 主题: Re:  [DISCUSS] Release 0.9.0
> > 
> > Hi Jialin, 
> > 
> > 
> > How is everything going?
> > I looked into the v0.9.0 changelist again and I am confused about 
> > IOTDB-174, which appears in both "New Features" and "Bug Fixes".
> > The description of IOTDB-174 is more like "New Features"- "Add interfaces 
> > for querying device or timeseries number ".
> > But the title of the pr#435 related to IOTDB-174 is more like "Bug Fixes" - 
> > "Fix querying timeseries interface cannot make a query by the specified 
> > path prefix".
> > Usually a pr is intended to do one thing at a time. So I think we better 
> > clarify whether the pr fixes a bug or adds a new feature, or both indeed.
> > 
> > 
> > Sincerely,
> > Lei Rui
> > 
> > 
> > On 10/31/2019 21:06,Jialin Qiao<[email protected]> wrote:
> > Hi Tianan Li and Lei Rui,
> > 
> > I will update the change list according to your feedback.
> > 
> > Thanks,
> > --
> > Jialin Qiao
> > School of Software, Tsinghua University
> > 
> > 乔嘉林
> > 清华大学 软件学院
> > 
> > -----原始邮件-----
> > 发件人: "Lei Rui" <[email protected]>
> > 发送时间: 2019-10-30 14:30:41 (星期三)
> > 收件人: "[email protected]" <[email protected]>
> > 抄送:
> > 主题: Re:  [DISCUSS] Release 0.9.0
> > 
> > Fix: there are two merged prs linked to "[IOTDB-165][TsFile] Fix a 
> > example". One is "[IOTDB-165][TsFile] Fix a example", and the other one is 
> > "[IOTDB-165][TsFile] Delete a current version and add a number version and 
> > an exception". Actually the IOTDN-165 JIRA title is "compatibility 
> > considersion", not "Fix a example".
> > 
> > 
> > On 10/30/2019 14:22,Lei Rui<[email protected]> wrote:
> > You should remove duplicated changes in the former versions. For example, 
> > "IOTDB-172fix a bug of TsFileResource updateTime" has already been listed 
> > in 0.8.1.
> > 
> > 
> > Besides, "[IOTDB-165][TsFile] Fix a example" does not only fix a bug, but 
> > also change the TsFile structure,
> > which is unfortunately reflected neither from the JIRA issue title nor the 
> > pr name.
> > From this example, we can also see that it is necessary to name our pr as 
> > accurate as possible.
> > And the release manager better double check if there is inconsistency 
> > between the JIRA issue and the linked pr.
> > 
> > 
> > Lei Rui
> > On 10/29/2019 17:11,Jialin Qiao<[email protected]> wrote:
> > Hi,
> > 
> > 
> > As 0.8.1 has been released, the release of 0.9.0 could start.
> > 
> > 
> > I would like to do the release manager of 0.9.0, and I gathered the change 
> > list:
> > 
> > 
> > 
> > 
> > ## New Features
> > 
> > 
> > * IOTDB-143Compaction of data file
> > * IOTDB-205Support storage-group-level Time To Live (TTL)
> > * IoTDB 226Hive connect TsFile
> > * IOTDB-188Delete storage group
> > * IOTDB-253support time expression
> > * IOTDB-239Add interface for showing devices
> > * IOTDB-249enable lowercase in create_timeseries sql
> > * IOTDB-203add "group by device" function for narrow table display
> > * IOTDB-193Create schema automatically when inserting
> > * IOTDB-241Add query and non query interface in session
> > * IOTDB-223Add a TsFile sketch tool
> > * IOTDB-158add metrics web service
> > * IOTDB-234Refactor TsFile storage on HDFS
> > * IOTDB-199Add a log visulization tool
> > * IoTDB-174Add interfaces for querying device or timeseries number
> > * IOTDB-173add batch write interface in session
> > * IOTDB-151support number format in timeseries path
> > * Spark-iotdb-connector
> > * generate cpp, go, and python thrift files under service-rpc
> > * display cache hit rate through jconsole
> > * support time < 0: Fix initial value of minTimestamp to Long.MIN_VALUE in 
> > ChunkBuffer
> > * Add interface (Delete timeseries) in session
> > * Add a tool to print tsfileResources (each device's start and end time)
> > * Support watermark feature
> > * Add micro and nano timestamp precision
> > 
> > 
> > ## Incompatible changes
> > 
> > 
> > * RPC is incompatible, you can not use client-0.8.0 to connect with 
> > server-0.9.0 or use client-0.9.8 to connect with server-0.8.0.
> > * Server is backward compatible, server-0.9.0 could run on data folder of 
> > 0.8.0. The data file will be upgraded background.
> > 
> > 
> > https://github.com/apache/incubator-iotdb/pull/467
> > 
> > 
> > ## Miscellaneous changes
> > 
> > 
> > * IOTDB-258    Add documents for Query History Visualization Tool and 
> > Shared Storage Architecture
> > * IOTDB-233keep metadata plan clear
> > * IOTDB-267reduce IO operations in deserializing chunk header
> > * IOTDB-265Re-adjust the threshold size of memtable
> > * IOTDB-251improve TSQueryDataSet structure in RPC
> > * IOTDB-221Add a python client example
> > * IOTDB-180Get rid of JSON format in "show timeseries"
> > * IOTDB-161Add ErrorCode of different response errors
> > * IOTDB-160External sort
> > * IOTDB-153further limit fetchSize to speed up LIMIT&OFFSET query
> > 
> > 
> > * reconstruct antlrv3 grammar to improve performance
> > * Tooling for release
> > * Modified Decoder and SequenceReader to support old version of TsFile
> > * Remove jdk constrain of jdk8 and 11
> > 
> > 
> > ## Known Issues
> > 
> > 
> > * IOTDB-20    Need to support UPDATE
> > 
> > 
> > ## Bug Fixes
> > 
> > 
> > * IOTDB-266     NullPoint exception when reading not existed devices using 
> > ReadOnlyTsFile
> > * IOTDB-264restart failure due to WAL replay error
> > * IOTDB-165[TsFile] Fix a example
> > * IOTDB-240fix unknown time series in where clause
> > * IOTDB-244fix bug when querying with duplicated columns
> > * IOTDB-174Fix querying timeseries interface cannot make a query by the 
> > specified path prefix
> > * IOTDB-195using String.getBytes(utf-9).length to replace string.length() 
> > in ChunkGroupMetadata for supporting Chinese
> > * IOTDB-211use "%IOTDB_HOME%\lib\*" to refers to all .jar files in the 
> > directory in start-server.bat
> > * IOTDB-172fix a bug of TsFileResource updateTime
> > * fix start-walchecker scripts for leting user define the wal folder
> > 
> > 
> > Is there any missing?
> > 
> > 
> > 
> > 
> > Thanks,
> > --
> > Jialin Qiao
> > School of Software, Tsinghua University
> > 
> > 乔嘉林
> > 清华大学 软件学院

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