Hi Dawei, Thanks for your news! It’s really clear and crystal.
Looking forward to a better community! Have a nice weekend : ) Best, ----------------------------------- Zesong Sun School of Software, Tsinghua University 孙泽嵩 清华大学 软件学院 > 2020年3月20日 23:15，Dawei Liu <[email protected]> 写道： > > Hi， > > Thank you very much. Hope we can build a better IoTDB community together . > > > Thanks > --- > Dawei Liu > > > >> 2020年3月20日 下午10:38，Julian Feinauer <[email protected]> 写道： >> >> Awesome, very well done Dawei! >> >> J >> >> Am 20.03.20, 15:06 schrieb "Dawei Liu" <[email protected]>: >> >> Hi 大家好, >> >> 非常非常开心作为第一个分享 IoTDB 社区周报的人。 >> >> 正文内容包含本周新贡献者、工作项、分布式版本进展，希望能够通过周报的方式展示我们正在做的工作，并吸引感兴趣的人参与到其中。 >> >> 最后祝大家度过一个愉快的周末。 >> >> [一周公告] >> 1.IOTDB 的官网建设正在进行，你可以点击这里进行预览(https://rhh.666love.cn/ >> <https://rhh.666love.cn/>)， 然后在邮件列表中直接回复[1]或者在jira[2]中留下你的想法。 >> >> [1] [DISUCSS] a new IoTDB website >> [2] https://issues.apache.org/jira/browse/IOTDB-521 >> <https://issues.apache.org/jira/browse/IOTDB-521> >> >> [本周新贡献者] 排名不分先后，热烈欢迎各位 >> 1. SailVR >> 2. VenkatDatta >> 3. zzy9424 >> 4. zhanglingzhe0820 >> >> [分布式版本] >> 1. 支持了聚合查询 >> 2. 支持了 group by 查询 >> 3. 支持了 fill 查询 >> 4. 支持了部分元数据查询（时间序列、设备查询) >> 5. raft日志的持久化基本完成 >> 6. 日志追赶简单实现完成，待完善边界情况 >> 7. 增加新节点加入配置检查 >> >> >> [本周工作] >> >> [正在进行中的工作] >> 1. #919 使用 TimeColumn 减少数据拷贝 >> 2. #917 优化 memtable 减少乱序数据 >> 3. #910 添加更多设计文档 >> 4. #902 calcite 集成 >> 5. #857 多线程聚合查询 >> 6. #855 优化 tsfile 索引 >> 7. #854 增加 group by fill 查询语句 >> 8. #852 增加 merge 设计文档 >> 9. #777 rest api 开发 >> >> [待修复 bug] >> 本周事本周毕，暂未发现更多问题 >> >> [本周完成的工作] >> 1. #928 增加更多详细的写入错误码 >> 2. #926 避免空的 memtable 刷盘 >> 3. #925 更新 merge 策略 >> 4. #915 修改 tsfile 写入流程文档 >> 5. #914 为 V0.9 版本增加 insertInBatch 方法 >> 6. #913 减少timeColumn 和 batchdata 之间的数据拷贝 >> 7. #909 增加更多的启动检查 >> 8. #908 #880 增加简单的数据库连接池 >> 9. #906 增加 grafana 文本类型支持 >> 10. #901 提前合并一些分布式代码到 maste 分支减少冲突 >> >> [已经修复的 bug] >> 1. #927 在恢复时出现死锁 >> 2. #924 tsfile 测试中产生的问题 >> 3. #922 统计信息测试中的问题 >> 4. #921 删除存储组后在恢复时产生错误 >> 5. #920 空的 chunkmetadata 在 LAST 查询中会产生错误结果 >> 6. #918 重复创建相同 schema 时产生的错误 >> 7. #916 在高速插入时执行 flush 命令产生的错误 >> 8. #907 修复 merge 的部分测试用例 >> 9. #905 修复 timegenerator 中错误缓存的问题 >> >> >> >> >> Thanks >> --- >> Dawei Liu >> >> >> >>> 2020年3月20日 下午10:03，Dawei Liu <[email protected]> 写道： >>> >>> Hi all, >>> >>> Very, very happy as the first speaker to share with you IoTDB news of the >>> week. >>> >>> Share content contains new contributors, work items, distributed progress, >>> hope to show what we are doing, and attract people who are interested. >>> >>> Have a good weekend. >>> >>> [Weekly announcements] >>> 1.The new version of the IOTDB website is under construction, you can >>> preview it by clicking here(https://rhh.666love.cn/ >>> <https://rhh.666love.cn/>), >>> and then reply directly to the mailing list [1] or leave your idea in >>> jira[2]. >>> >>> [1] [DISUCSS] a new IoTDB website >>> [2] https://issues.apache.org/jira/browse/IOTDB-521 >>> <https://issues.apache.org/jira/browse/IOTDB-521> >>> >>> [New contributors this week] In no particular order, welcome all of you >>> 1. SailVR >>> 2. VenkatDatta >>> 3. zzy9424 >>> 4. zhanglingzhe0820 >>> >>> [Distributed version progress] >>> 1. support group by query >>> 2. support fill query >>> 3. support some metadata query(timeseries, device) >>> 4. Log persistence in raft is basicly implemented >>> 5. Log catch up in raft is simply implemented without boundary check >>> 6. configuration check when node joins >>> >>> [Progress of this week] >>> >>> [Work in progress] >>> 1. #919 switch timeGenerate to use TimeColumn >>> 2. #917 optimize memtable for reduce unseq data >>> 3. #910 add system design eng files >>> 4. #902 calcite integration >>> 5. #857 parallel aggregation query >>> 6. #855 new tsfile >>> 7. #854 group by fill >>> 8. #852 add merge design doc >>> 9. #777 rest api support >>> >>> [Bugs to be fixed] >>> Cheers, no bugs found so far >>> >>> [Finished work] >>> 1. #928 add write process error code >>> 2. #926 avoid flushing empty memtable >>> 3. #925 update merge recover >>> 4. #915 fix tsfile write flow diagram doc >>> 5. #914 add insertInBatch for V0.9 >>> 6. #913 same struce both timeColumn and batchdata >>> 7. #909 add start-up checks >>> 8. #908 #880 add a simple connection pool for session api >>> 9. #906 add text support for grafana >>> 10. #901 pre-merge distributed some code into >>> master >>> >>> >>> [Bugs that have been fixed] >>> 1. #927 fix recover deadlock >>> 2. #924 tsfile test bug >>> 3. #922 static test bug >>> 4. #921 deleting sg and initing from mlog >>> 5. #920 empty chunkmetadata in last query gives wrong answer >>> 6. #918 add duplicated metadata >>> 7. #916 execute flush command while inserting >>> 8. #907 fix unit test for merge >>> 9. #905 timegenerator cache bug >>> >>> >>> >>> Thanks >>> --- >>> Dawei Liu >>> >>> >>> >> >> >>
