Hi Jialin,
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>.
Best Regards,
—————————————————
Tianan Li
School of Software, Tsinghua University
李天安
清华大学 软件学院
> 2019年10月29日 下午5:11，Jialin Qiao <[email protected]> 写道：
>
> 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
