Hi,
I’m working on this issue, my plan is to use the query method with
partitionStartOffset and partitionEndOffset parameters and store the
startOffset and endOffset in the TsInputSplit.
Best,
--
Yuan Tian
School of Software, Tsinghua University
田原
清华大学 软件学院
> 在 2019年9月10日，下午9
shouldn’t modify the position of TsFileInput which
is consistent with FileChannel’s interface.
Best,
--
Yuan Tian
School of Software, Tsinghua University
田原
清华大学 软件学院
> 在 2019年9月9日，下午11:19，Boris Zhu 写道：
>
> Hi, tian
> DefaultTsFileInput is a class to implement
.
Best,
--
Yuan Tian
School of Software, Tsinghua University
田原
清华大学 软件学院
> 在 2019年9月9日，下午11:46，Boris Zhu 写道：
>
> I agree with you that shouldn’t modify the position of TsFileInput when
> having already specified the position. Sorry for the misunderstanding. But
> i
(byte[] b, int off, int len) throws IOException;
I think this method should not modify this TsFileInput and it should be
specified in the comments.
Best,
--
Yuan Tian
School of Software, Tsinghua University
田原
清华大学 软件学院
,
--
Yuan Tian
School of Software, Tsinghua University
田原
清华大学 软件学院
> 在 2019年9月10日，上午12:09，Boris Zhu 写道：
>
> I check-in java doc and it says the file position is updated with the
> number of bytes actually read. You can see below
>
> * Reads a sequence of bytes
Hi,
I have added the Chinese version for Hadoop-connector docs. The PR link is
https://github.com/apache/incubator-iotdb/pull/438
<https://github.com/apache/incubator-iotdb/pull/438>.
Best,
--
Yuan Tian
School of Software, Tsinghua University
田原
清华大学 软件学院
> 在 2019年9月2
Hi,
I’m working on this issue.
Best,
--
Yuan Tian
School of Software, Tsinghua University
田原
清华大学 软件学院
> 在 2019年9月28日，下午4:41，Yuan Tian (Jira) 写道：
>
> Yuan Tian created IOTDB-246:
> ---
>
> Summary: No docs for Hadoop-
Hi,
I have added the docs for Hadoop-connector in our IoDTB website. The pr link is
https://github.com/apache/incubator-iotdb/pull/437
<https://github.com/apache/incubator-iotdb/pull/437>.
Best,
--
Yuan Tian
School of Software, Tsinghua University
田原
清华大学 软件学院
> 在 2019年
Hi, Jialin
Thanks for your reminding, I will remember that next time.
Best,
--
Yuan Tian
School of Software, Tsinghua University
田原
清华大学 软件学院
> 在 2019年9月29日，上午9:00，Jialin Qiao 写道：
>
> Hi Yuan Tian,
>
> Thanks! A minor suggestion: I notice that your PR onl
Hi,
I'm glad to see that. I'm also trying to learn C++ these days, so maybe we
can do this work together. And if you have any problems about Tsfile module
in java, feel free to contact me!
Best,
---
Yuan Tian
On Thu, Sep 23, 2021 at 12:13 AM Giorgio Zoppi
wrote:
> Hello everyb
+1
On Sun, Sep 19, 2021 at 4:55 PM Jialin Qiao wrote:
> Hi,
>
> We have tried a lot about how to manage our documents (UserGuide,
> SystemDesign, ContributeGuide...).
>
> First, we manage these docs as many .md files in our repo, however, update
> it is troublesome, need to submit a pr and the
with the
filter, we use IChunkLoader in ChunkMetadata to load chunk which contains
the final page data.
Best,
-
Yuan Tian
On Tue, Oct 12, 2021 at 6:43 PM Giorgio Zoppi
wrote:
> Hello IOTDBers,
> I am going a bit further. Basically in your model each element
Hi Giorgio Zoppi,
You're welcome. Test-Driven is really a good programming habit. Feel
free to contact me if you have any questions.
Best,
Yuan Tian
On Thu, Oct 14, 2021 at 1:48 AM Giorgio Zoppi
wrote:
> Thank you Yuan Tian,
> I guess that query processing is i
Hi,
I remember that the default endian in C++ seems to be LittleEndian.
Best,
---
Yuan Tian
On Mon, Sep 27, 2021 at 2:26 AM Giorgio Zoppi
wrote:
> Hello IoTDBers,
> on disk, the java writes in BigEndian the buffer right?
> I am looking at parquet, especially the imple
Hi,
In Java, array is also an object, so the` Object[] values` in Tablet.java
is a two-dimension array. Object represents arrays of different type.
Java doesn't have class member function template, however maybe in C++, you
can use that feature to improve the performance. But even in this way, we
Hi,
I also prefer not to change the current mode.
BigEndian +1
---
Yuan Tian
On Wed, Sep 29, 2021 at 8:39 AM Xiangdong Huang wrote:
> Hi,
>
> So we will keep BigEndian, right?
>
> Best,
> ---
> Xiangdong Huang
> Scho
Wow, thanks a lot.
I was just worrying about how can I increase the reputation value of
stackoverflow to 1500 and create the tag of iotdb.
Yuan Tian
On Wed, Oct 6, 2021 at 3:36 PM Julian Feinauer
wrote:
> Hi folks,
>
> thanks to Chris we have now two dedic
The Apache IoTDB team is pleased to announce the release of Apache IoTDB 0.12.4.
Apache IoTDB (Database for Internet of Things) is an IoT native
database with high performance for data management and analysis,
deployable on the edge and the cloud.
This is a bug-fixed version of 0.12.4, which
The Apache IoTDB team is pleased to announce the release of Apache IoTDB 0.12.3.
Apache IoTDB (Database for Internet of Things) is an IoT native
database with high performance for data management and analysis,
deployable on the edge and the cloud.
This is a bug-fixed version of 0.12.3, which
The Apache IoTDB team is pleased to announce the release of Apache IoTDB 0.12.4.
Apache IoTDB (Database for Internet of Things) is an IoT native
database with high performance for data management and analysis,
deployable on the edge and the cloud.
This is a bug-fixed version of 0.12.4, which
The Apache IoTDB team is pleased to announce the release of Apache IoTDB 0.12.4.
Apache IoTDB (Database for Internet of Things) is an IoT native
database with high performance for data management and analysis,
deployable on the edge and the cloud.
This is a bug-fixed version of 0.12.4, which
Hi all,
Apache IoTDB 0.12.4 is a bug-fix version from 0.12.3. You can get its
mainly changes from [5].
Apache IoTDB 0.12.4 has been staged under [2] and it’s time to vote on
accepting it for release. All Maven artifacts are available under [1].
Voting will be open for 72hr.
A minimum of 3
Hi Trevor,
In 0.12, we change the default config values in IoTDB is consistent with
the values in iotdb-engine.properties, so we commented out all lines in
iotdb-engine.properties file, so that you only need to change the ones you
want to change.
However, in v0.11, due to some historical
Hi all,
We have found a few critical bugs which are being fixed and also make some
improvemnts, so we want to release 0.12.4 after these bugs being fixed and
improvements being done. What any other prs you think that are need to be
merged?
[1] Memory leak -- Object arrays take too much memory(
) values(3,3);
insert into root.turbine.d2(time,s0) values(now(),1);
insert into root.turbine.d2(time,s0) values(now(),2);
insert into root.turbine.d2(time,s0) values(now(),3);
select ** from root;
select ** from root align by device;
Best,
-
Yuan Tian
Hi,
+1. LGTM.
Best,
-
Yuan Tian
) values(3,3);
insert into root.turbine.d2(time,s0) values(now(),1);
insert into root.turbine.d2(time,s0) values(now(),2);
insert into root.turbine.d2(time,s0) values(now(),3);
select ** from root;
select ** from root align by device;
Best,
-
Yuan Tian
) values(3,3);
insert into root.turbine.d2(time,s0) values(now(),1);
insert into root.turbine.d2(time,s0) values(now(),2);
insert into root.turbine.d2(time,s0) values(now(),3);
select ** from root;
select ** from root align by device;
Best,
-
Yuan Tian
subsequent iterations.
Best,
-
Yuan Tian
,
-
Yuan Tian
Hi Jialin,
I would like to be the initial committer of TsFile. I've contributed to
[Aligned]ChunkWriter, [Aligned]PageWriter, [Aligned]PageReader.
I know very well about tsfile disk file structure and familiar with the
query and write process of tsfile.
Best,
-
Yuan Tian
可以尝试升级到更高版本的IoTDB，目前已发布的最新版本是1.2.2，可以从官网下载，之前的版本有一些内存泄漏的bug，在新版本中已经修复
+1 (binding)
So glad to see that.
Best,
-
Yuan Tian
On Mon, Aug 21, 2023 at 3:05 PM Christofer Dutz
wrote:
> Hi all,
>
> as you all might know, I have worked on streamlining our build for all
> possible platforms.
> In order to work around us havi
So great!
BTW, This email was found in my spam list, just a reminder to prevent
others on the mailing list from missing this great article.
Best,
--
Yuan Tian
://dist.apache.org/repos/dist/dev/iotdb/0.12.6/rc1/RELEASE_NOTES.md
[6] https://dist.apache.org/repos/dist/dev/iotdb/KEYS
Best,
-
Yuan Tian
L
Best,
----
Yuan Tian
On Wed, Jun 29, 2022 at 2:39 PM Eric Pai wrote:
>
> This is really a good feature!
>
> Unlike relational database query, the 'column' name in IoTDB is a string
> concatenated by the prefix path in FROM clause and the suffix path in SELECT
>
+1
Best,
-
Yuan Tian
On Thu, Jun 30, 2022 at 9:45 AM Jialin Qiao wrote:
>
> Hi,
>
> As ConfigNode only serve DataNodes and other ConfigNode.
>
> The rpc_address in ConfigNode should be internal_address.
> The rpc_port in ConfigNode should be internal_port.
>
ime <= 33 and s1 < 19
align by device;
select max_value(s3), min_value(s1), max_time(s2), min_time(s3) from
root.sg1.d1 where time > 5 GROUP BY ([1, 41), 10ms) order by time
desc;
Best,
—————
Yuan Tian
Apache IoTDB PMC
. using
fill(linear) for text data type, we neither fill it nor throw
exception, just keep it as it is. That means we will try our best to
fill it as much as possible and never throw exception even if there
exist some columns we can never fill.
Best,
---
Yuan Tian
is just what ZigZag encoding want.
Best,
---
Yuan Tian
On Fri, Jun 17, 2022 at 6:55 PM Christofer Dutz
wrote:
>
> Hi Xiangdong,
>
> I doubt you invented a new encoding form. So, in general, I was asking which
> form this actually is.
> Juilian already pointed ou
I think keeping the null value will be better, because it's consistent
with relational database.
Best,
--
Yuan Tian
On Mon, Jul 18, 2022 at 2:43 PM 廖兰宇 <181250...@smail.nju.edu.cn> wrote:
>
> Hi everybody,
>
> In 0.13/0.12, when you execute query sql "select
.
Definitely, it will be in cost of loss of performance.
Or, we keep unchanged and add order by timeseries clause for each last
query sql in IT.
Best,
---
Yuan Tian
The Apache IoTDB team is pleased to announce the release of Apache IoTDB 0.12.6.
Apache IoTDB (Database for Internet of Things) is an IoT native
database with high performance for data management and analysis,
deployable on the edge and the cloud.
This is a bug-fixed version of 0.12.5, which
Hi,
Capitalizing MPP may be better.
On Sat, Jun 25, 2022 at 11:58 PM Jialin Qiao wrote:
>
> Hi,
>
> I'm renaming the DataBlockManager related, please leave this for me
>
> dataBlockManagerEndPoint -> mppDataExchangeEndPoint
>
> Thanks,
> —
> Jialin Qiao
> Apache IoTDB PMC
>
>
>
Hi,
+1
Best,
-
Yuan Tian
On Sun, Jun 26, 2022 at 9:48 AM Haonan Hou wrote:
>
> Hi,
>
> Since we are going to release the new cluster version 0.14.0-preview in few
> days,
> I think we can consider removing the old cluster module before it.
>
> If
Hi,
-1
I've just found a memory leak situation in preview-2 and fixed that last night.
Best,
--
Yuan Tian
On Thu, Sep 1, 2022 at 6:54 PM Haonan Hou wrote:
>
> Hi all,
>
> Apache IoTDB 0.14.0-preview2 version only contains the new cluster version.
>
> Apache IoT
= 9 and time <= 33 and s1 < 19
align by device;
select max_value(s3), min_value(s1), max_time(s2), min_time(s3) from
root.sg1.d1 where time > 5 GROUP BY ([1, 41), 10ms) order by time
desc;
Best,
———
Yuan Tian
On Wed, Sep 7, 2022 at 11:49 AM Haonan Hou wrote:
>
> Hi all,
>
> Apac
into root.turbine.d1(timestamp,s0) values(2,2);
insert into root.turbine.d1(timestamp,s0) values(3,3);
select * from root.**;
Thanks,
Yuan Tian
On Mon, Oct 17, 2022 at 9:31 PM Jialin Qiao wrote:
>
> Hi all,
>
> Apache IoTDB 0.13.3 is a bug-fix version from 0.13.2. You
it back.
Best,
---
Yuan Tian
gt; removing the profile from pom.xml or the category annotation from *IT files.
>
> 发件人: Yuan Tian
> 日期: 星期四, 2022年10月20日 11:56
> 收件人: dev
> 主题: Remove old version standalone IoTDB
> Hi all,
>
> As is known to all, we will release v1.0 in the near future, and in
> thi
, here are some candidates:
1. OneCopyConsensus
2. NoCopyConsensus
3. SimpleConsensus
4. ZereCostConsensus
Do you guys have any suggestions? Or Which one of the above names you voted for?
Best,
--
Yuan Tian
Hi all,
After discussing, we think OneCopyConsensus may be better. So I rename
it to OneCopyConsensus in this pr
https://github.com/apache/iotdb/pull/7832/files
Best,
Yuan Tian
On Mon, Oct 31, 2022 at 12:39 PM Yuan Tian wrote:
>
> Hi, all
>
> Now, we name the con
) values(3,3);
select * from root.** align by device;
Best,
--
Yuan Tian
/IOTDB-4576
Best,
--
Yuan Tian
Deduplicate actions just happen in query result not for the real stored data.
On Wed, Aug 3, 2022 at 9:10 AM Yuan Tian wrote:
>
> Not really delete data, just remove the duplicated data continuously,
> like , we will only keep 1 2 1.
>
> On Tue, Aug 2, 2022 at 8:
Not really delete data, just remove the duplicated data continuously,
like , we will only keep 1 2 1.
On Tue, Aug 2, 2022 at 8:28 PM Xiangdong Huang wrote:
>
> A UDF to REMOVE data? (with a query sql to delete data?)
> ---
> Xiangdong Huang
> School
Hi,
I also think that dedup is ok.
Best,
Yuan Tian
On Tue, Aug 2, 2022 at 3:32 PM 18110526...@163.com <18110526...@163.com> wrote:
>
> Hi everyone,
>
> We are developing a UDF to remove a sequence of consecutive identical values
> (keeping only the
Hi,
+1(binding)
Best,
-
Yuan Tian
On Mon, Aug 1, 2022 at 10:18 AM Jialin Qiao wrote:
>
> Hi all,
>
> Apache IoTDB 0.13.1 is a bug-fix version from 0.13.0. You can get its
> mainly changes from [5].
>
> Apache IoTDB v0.13.1 has been staged under [2]
Hi,
-1(binding)
Taking Snapshot processing of ConfigNode may fail, details can be seen
in this issue(https://issues.apache.org/jira/browse/IOTDB-4830).
Best,
-
Yuan Tian
On Thu, Dec 1, 2022 at 11:43 PM Haonan Hou wrote:
>
> Hi all,
>
> Apache IoTDB 1.0.0 versi
) values(3,3);
select * from root.**;
Thanks,
Yuan Tian
On Fri, Dec 2, 2022 at 5:22 PM Haonan Hou wrote:
>
> Hi all,
>
> Apache IoTDB 1.0.0 version has a new architecture that supports standalone
> and cluster mode.
>
> Apache IoTDB 1.0.0 has been staged un
]
statements executed successfully: [ok]
insert into root.db.d1(time,s0) values(1,1);
insert into root.db.d1(time,s0) values(2,2);
insert into root.db.d1(time,s0) values(3,3);
select * from root.db.**;
select count(*) from root.db.** group by level=1;
Best,
--
Yuan Tian
On Sat, Mar 25, 2023
(time,s0) values(1,1);
insert into root.db.d1(time,s0) values(2,2);
insert into root.db.d1(time,s0) values(3,3);
select * from root.db.**;
Best,
Yuan Tian
Fine, I change my mind, +1 for planA
Best,
-
Yuan Tian
On Mon, Feb 6, 2023 at 2:35 PM Xiangwei Wei wrote:
>
> VerticallyConcatOperator is used to horizontally concatenate TsBlocks with
> the same timestamp column. For example,
> TsBlock A is:
> | Time | Col
(timestamp,s0) values(3,3);
select ** from root;
Best.
—
Yuan Tian
Hi,
vote for option 1: Change LZ4 to the default compressor, since it's a
compatible changes.
Best,
---
Yuan Tian
On Fri, Jul 7, 2023 at 11:10 AM yanze chen wrote:
>
> Hi all,
>
> In iot-benchmark experiment[1], we found that LZ4 outperformed SNAPPY in
&g
+1
On Fri, Jul 7, 2023 at 11:58 AM Jialin Qiao wrote:
>
> Hi,
>
> To manage our different versions of doc uniformly and clean the folder
> of code repo, I'd like to create a new repo: iotdb-docs.
>
> Then, we could put all versions(0.13, 1.0, 1.1, 1.2) of docs in the
> main branch of iotdb-docs,
Hi,
Since no one disagree and two +1 votes from PMC Members, I merged
this pr(https://github.com/apache/iotdb/pull/10469).
Now, the default compressor in master branch of IoTDB became LZ4.
Best,
--
Yuan Tian
On Fri, Jul 7, 2023 at 11:10 AM yanze chen wrote:
>
> Hi all,
>
Hi Chris,
In general, RTC is the way to go, even if the changes are small.
Best,
---
Yuan Tian
On Tue, Jul 18, 2023 at 3:59 PM Christofer Dutz
wrote:
> Hi all,
>
> So, before I start doing a few small little things (Like adding the SBOM
> generation etc.), I want
:248)
at java.base/java.lang.Thread.run(Thread.java:829)
```
BTW, I used old pipe feature in v1.1.1 which has been redefined in
V1.2.0. I think there may exist incompatibility problems.
Best,
--
Yuan Tian
On Mon, Jul 10, 2023 at 3:12 PM Haonan Hou wrote:
>
> Hi all,
>
to
change all these singletons. Good news is that we have strictly
controlled the use of singletons in the new PRs, so there should be no
more new ones.
Best,
Yuan Tian
On Fri, Jul 14, 2023 at 7:14 PM Christofer Dutz
wrote:
>
> Hi all,
>
> as I’m digging into IoTDB more
Sure! Do as you want! We would love to see these refactoring prs.
Best,
--
Yuan Tian
On Fri, Jul 14, 2023 at 9:20 PM Christofer Dutz
wrote:
>
> Aaah cool,
>
> and sorry for asking so much … much of IoTDBs history is not recorded and I’m
> just starting to get
Aha, that's right. Do you know how to change that name? I didn't find
where to change that name before.
Best,
Yuan Tian
On Fri, Jul 14, 2023 at 9:31 PM Christofer Dutz
wrote:
>
> Hehe … ok … so because of the “incubator” in there, I didn’t find it ;-)
>
> Chr
We would like to see that for sure.
Best,
--
Yuan Tian
On Fri, Jul 14, 2023 at 10:13 PM Christofer Dutz
wrote:
>
> We have to file a Jira ticket for Infra … but wanted to know, if it would be
> ok for you folks for me to do that.
>
> Chris
>
> Von: Yuan Tian
Hi Xuan,
Photos and attachments in the mail-list won't be sent successfully, you can
put them in a google doc or any other online documents that everyone can
visit and then put the link address in your e-mail.
Best,
-
Yuan Tian
On Mon, Jul 24, 2023 at 10:35 AM xuan.w
,
-
Yuan Tian
Hi Chris,
I remember that we tried to upgrade to 0.15.X before, but the performance
declined. I'm not sure about that? Anyone else remember?
Best,
---
Yuan Tian
/udf/src/main/java/org/apache/iotdb/udf/UDAFExample.java
Best regards,
--
Yuan Tian
Hi Trevor,
Now there is no `group by device` in IoTDB, what you want may be the
`align by device` clause.
Best regards,
---
Yuan Tian
On Fri, Feb 16, 2024 at 5:48 AM Trevor Hart wrote:
> Would it not be better to utilise the hierarchy in IoTDB? This saves sp
Wow, that's really good news. Congrats!
On Tue, Dec 26, 2023 at 9:15 PM William Song wrote:
> Dear Community Members,
>
> I am excited to announce the release of Ratis version 3.0.0, marking the
> first major version update since IoTDB began utilizing Ratis for consensus
> services. This
Congrats!
Bests,
---
Yuan Tian
On Tue, Jan 2, 2024 at 9:47 AM Haonan Hou wrote:
> The Apache IoTDB team is pleased to announce the release of Apache IoTDB
> 1.3.0.
>
> Apache IoTDB (Database for Internet of Things) is an IoT native database
> with high perfo
Hi all,
Since we've already set up our tsfile repo, so if you want to make some
changes to common-api and tsfile submodule in IoTDB repo, you also need to
submit another pr for tsfile repo.
Best regards,
Yuan Tian
你好，邮件列表里的邮件是没有办法发送附件和图片的，如果想要附上图片，推荐您在github的issue上建一个新的issue
On Thu, Jan 4, 2024 at 12:10 AM 赵未豪 wrote:
>
> 您好，请问在集成Grafana时下载插件一直出现故障无法下载是什么原因，详情见下图：
>
> 另外使用插件下载连接时发现链接（
> https://grafana.com/api/plugins/apache-iotdb-datasource/versions/1.0.0/download
> ）无法进行访问
>
make them not have
duplicate timestamps in one car or you can just explain why your data have
so many duplicate timestamps in one car.
Best regards,
----
Yuan Tian
On Thu, Jan 18, 2024 at 10:12 AM 김천구 wrote:
> Dear Apache IoTDB Development Team
>
> Greetings, My
Hi Jialin,
Since I've just merged this pr https://github.com/apache/tsfile/pull/19,
I've no other things to be merged.
Best regards,
--
Yuan Tian
On Mon, Jan 8, 2024 at 12:39 PM Jialin Qiao wrote:
> Hi,
>
> We plan to release the first version 1.0.0
that it
will clear the resource safely and totally.
And for the `singletons` part, I vote for using a component framework to do
the weaving
Best regards,
-
Yuan Tian
On Tue, Jan 9, 2024 at 5:17 PM Christofer Dutz
wrote:
> Hi all,
>
> So, I am currently
Hi yong,
I think we may start to do it after we release our first version of tsfile
project and tsfile-python should be in another separated repo.
On Fri, Jan 5, 2024 at 9:43 PM liuyong wrote:
> Hi, has the tsfile submodule planned to provide the native interface for
> prevalent analytical
to create a secondary index on other columns(but it's
planned).
Best regards,
--
Yuan Tian
On Wed, Jan 24, 2024 at 8:36 AM 김천구 wrote:
> And I have a few more additional questions.
>
> Q3) Since all information is stored as time and value pairs, can it be said
>
so the order in result set is also
meaningless.
Best regards,
------
Yuan Tian
On Mon, Jan 22, 2024 at 10:32 AM 김천구 wrote:
> Dear Yuan Tian
>
> Thank you for your reply. Your response was very helpful.
> But I have an additional question here.
>
> Sin
Hi,
Have you tried to use the up to date V1.3.0? Maybe upgrade is helpful.
Best regards,
Yuan Tian
On Fri, Jan 26, 2024 at 1:25 PM 김천구 wrote:
> *Urgent Issue:*
> I was testing on a Linux server with IoTDB version 1.2.2.
> After briefly turning it off w
And if you like, we can talk on the slack channel because mail lists cannot
use attachment.
On Fri, Jan 26, 2024 at 1:25 PM 김천구 wrote:
> *Urgent Issue:*
> I was testing on a Linux server with IoTDB version 1.2.2.
> After briefly turning it off with 'stop-standalone.sh' and attempting to
>
feel free to join our community slack through this url:
https://join.slack.com/t/apacheiotdb/shared_invite/zt-2bolm5rfk-0Yimdz7Kp_ZRCIVgJmxoKA
On Fri, Jan 26, 2024 at 2:37 PM Yuan Tian wrote:
> And if you like, we can talk on the slack channel because mail
> lists cannot use atta
Wow, that's really good news! Thanks Chris!
Best,
-
Yuan Tian
On Thu, Nov 16, 2023 at 4:52 PM Christofer Dutz
wrote:
> Hi all,
>
> so at yesterdays board meeting the Apache TsFile TLP proposal was
> accepted. I am currently requesting things to be created. The
Error`
> > and `-XX:+HeapDumpOnOutOfMemoryError` in the user/DBA manual, which is
> > important to find the root cause of OOM.
> >
> > Best,
> > --
> > Gaofei Cao
> >
> > Yuan Tian 于2023年11月13日周一 19:52写道：
> > >
> > > Hi al
which means that we can
keep both in jvm args and when OOM happens, it will firstly dump the heap
memory and then exit.
I've made this change in my pr(https://github.com/apache/iotdb/pull/11531).
What do you think?
Best,
--
Yuan Tian
BTW, that pr is https://github.com/apache/iotdb/pull/12177, and related
feishu doc is
https://apache-iotdb.feishu.cn/docx/DSDNdCBwBo7siKx49PJct7oCnHr
On Thu, Mar 21, 2024 at 6:07 PM Yuan Tian wrote:
> Hi all,
>
> We've just merged a pr to refactor the IDeviceID which is preparing
in compiling
stage).
Best regards,
---
Yuan Tian
it in the document in advance, or you can just fill that in the feishu doc(
https://apache-iotdb.feishu.cn/docx/NPZSdeiw2o31ZtxcP4rcsen7nKh).
The meeting link is:
https://meeting.tencent.com/dm/6BkPsKOYyzt9
The meeting No. is:
706-6364-8152
Best regards,
Yuan Tian
Hi Trevor,
Maybe you can try count_time agg function,
https://iotdb.apache.org/UserGuide/latest/Reference/Function-and-Expression.html#count-time
.
select count_time(*) from root.logs.device;
Best regards,
-
Yuan Tian
On Thu, Apr 4, 2024 at 2:24 AM Trevor Hart wrote
.
Best regards,
--
Yuan Tian
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