Hi Zesong, Thanks for the feedback, I have updated it.
-- 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: "孙泽嵩" <[email protected]> > 发送时间: 2019-10-30 12:09:14 (星期三) > 收件人: [email protected] > 抄送: > 主题: Re: [DISCUSS] Release 0.9.0 > > Hi Jialin, > > Thanks for your gathering and effort! > > Here I’d like to change one JIRA item: > > > IOTDB-234 Refactor TsFile storage on HDFS > > Changing to: IOTDB-187 Enable to choose storage in local file system or HDFS, > for [IOTDB-187] is the origin JIRA issue responsible for the function : ) > > Best, > ----------------------------------- > Zesong Sun > School of Software, Tsinghua University > > 孙泽嵩 > 清华大学 软件学院 > > > 2019年10月29日 19:47，Julian Feinauer <[email protected]> 写道： > > > > Hi all, > > > > big +1 for having another release manager in the community (and once again > > big thanks to Xiangdong!). > > And wow.. there is a whole lot of awesome features in there : ) > > > > Julian > > > > Am 29.10.19, 10:12 schrieb "Jialin Qiao" <[email protected]>: > > > > 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 > > >
