Re: [ANNOUNCE] IoTDB Weekly News (2020-03-13~20200320)

2020-03-20 Thread Dawei Liu
Hi,

Thank you for reminding me, I'll do it.


Thanks
---
Dawei Liu



> 2020年3月21日 上午9:59,Willem Jiang  写道:
> 
> Thanks for Dawei's great summary.
> Can we put this weekly report into the wiki page at same time?
> It could be more easy for people to go through these reports from a certain 
> url.
> 
> Willem Jiang
> 
> Twitter: willemjiang
> Weibo: 姜宁willem
> 
> On Fri, Mar 20, 2020 at 11:15 PM Dawei Liu  wrote:
>> 
>> 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  写道:
>>> 
>>> Awesome, very well done Dawei!
>>> 
>>> J
>>> 
>>> Am 20.03.20, 15:06 schrieb "Dawei Liu" :
>>> 
>>>   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/ 
>>> ), 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 
>>> 
>>> 
>>>   [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  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/ 
 ),
 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 
 
 
 [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. #919switch 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

Re: [ANNOUNCE] IoTDB Weekly News (2020-03-13~20200320)

2020-03-20 Thread Willem Jiang
Thanks for Dawei's great summary.
Can we put this weekly report into the wiki page at same time?
It could be more easy for people to go through these reports from a certain url.

Willem Jiang

Twitter: willemjiang
Weibo: 姜宁willem

On Fri, Mar 20, 2020 at 11:15 PM Dawei Liu  wrote:
>
> 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  写道:
> >
> > Awesome, very well done Dawei!
> >
> > J
> >
> > Am 20.03.20, 15:06 schrieb "Dawei Liu" :
> >
> >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/ 
> > ), 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 
> > 
> >
> >[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  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/ 
> >> ),
> >> 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 
> >> 
> >>
> >> [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. #919switch 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 dia

Re: [ANNOUNCE] IoTDB Weekly News (2020-03-13~20200320)

2020-03-20 Thread 孙泽嵩
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  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  写道:
>> 
>> Awesome, very well done Dawei!
>> 
>> J
>> 
>> Am 20.03.20, 15:06 schrieb "Dawei Liu" :
>> 
>>   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/ 
>> ), 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 
>> 
>> 
>>   [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  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/ 
>>> ), 
>>> 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 
>>> 
>>> 
>>> [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. #919switch 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 

Re: [ANNOUNCE] IoTDB Weekly News (2020-03-13~20200320)

2020-03-20 Thread Dawei Liu
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  写道:
> 
> Awesome, very well done Dawei!
> 
> J
> 
> Am 20.03.20, 15:06 schrieb "Dawei Liu" :
> 
>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/ 
> ), 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 
> 
> 
>[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  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/ 
>> ), 
>> 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 
>> 
>> 
>> [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. #919switch 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. #927fix recover de

Re: [ANNOUNCE] IoTDB Weekly News (2020-03-13~20200320)

2020-03-20 Thread Julian Feinauer
Awesome, very well done Dawei!

J

Am 20.03.20, 15:06 schrieb "Dawei Liu" :

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/ 
), 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 


[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  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/ ), 
> 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 

> 
> [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. #919switch 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. #927fix recover deadlock 
>   2. #924   tsfile test bug
> 

Re: [ANNOUNCE] IoTDB Weekly News (2020-03-13~20200320)

2020-03-20 Thread Dawei Liu
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/ 
), 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 


[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  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/ ), 
> 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 
> 
> 
> [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. #919switch 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. #927fix 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  timegen

[ANNOUNCE] IoTDB Weekly News (2020-03-13~20200320)

2020-03-20 Thread Dawei Liu
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/ ), 
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 


[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. #919switch 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. #927fix 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