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This Google Group is about MR3, Hive on MR3, and Spark on MR3.

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Jul 18

SMITH IS COMING AGAIN

Hey neighbors! Smith will be coming around again to clean our air vents and dryer vents. He did an

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SMITH IS COMING AGAIN

Hey neighbors! Smith will be coming around again to clean our air vents and dryer vents. He did an

Jul 18

Jul 16

SMITH IS COMING AGAIN

Anyone interested??

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SMITH IS COMING AGAIN

Anyone interested??

Jul 16

Jul 8

SMITH IS COMING AGAIN

Hey neighbors! Smith will be coming around again to clean our air vents and dryer vents. He did an

unread,

SMITH IS COMING AGAIN

Hey neighbors! Smith will be coming around again to clean our air vents and dryer vents. He did an

Jul 8

David Engel, Sungwoo Park3

Jun 28

PV/C Issues When Kubernets with Helm

Okay. FYI, though, the whole reason we started down this path was because hive:4.0.0.mr3.2.4 was

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PV/C Issues When Kubernets with Helm

Okay. FYI, though, the whole reason we started down this path was because hive:4.0.0.mr3.2.4 was

Jun 28

teresag...@gmail.com

Jun 23

Safety & Savings: Group Dryer Vent/Duct Cleaning — Add Your Home

Hi everyone, We're arranging dryer vent and duct cleaning with Sam and his team. I used him last

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Safety & Savings: Group Dryer Vent/Duct Cleaning — Add Your Home

Hi everyone, We're arranging dryer vent and duct cleaning with Sam and his team. I used him last

Jun 23

David Engel, Sungwoo Park3

Feb 25

Thanks. I'll check to see if that version is okay. One of my users knew I'd set it up once

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Thanks. I'll check to see if that version is okay. One of my users knew I'd set it up once

Feb 25

10/9/25

MR3 2.2 has been released.

We published a new blog article that compares Hive 4 on MR3 2.2 vs Trino 477. https://mr3docs.

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MR3 2.2 has been released.

We published a new blog article that compares Hive 4 on MR3 2.2 vs Trino 477. https://mr3docs.

10/9/25

Farah Nadya, Sungwoo Park3

8/8/25

MR3 for HIVE 3.1.2

I uploaded the binary release of Hive 3.1.3 on MR3 2.1: https://github.com/mr3project/mr3/releases/

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MR3 for HIVE 3.1.2

I uploaded the binary release of Hive 3.1.3 on MR3 2.1: https://github.com/mr3project/mr3/releases/

8/8/25

Farah Nadya, Sungwoo Park3

8/8/25

hive-mr3@googlegroups.com

Hi Sungwoo, yes i want to try mr3, i use hadoop 3.3.6 yarn 3.3.6 spark 3.5.2 not using kubernetes

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hive-mr3@googlegroups.com

Hi Sungwoo, yes i want to try mr3, i use hadoop 3.3.6 yarn 3.3.6 spark 3.5.2 not using kubernetes

8/8/25

7/14/25

Seonggon is a new Hive committer.

Seonggon in the MR3 team is a new Hive committer. Congratulations. Sungwoo

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Seonggon is a new Hive committer.

Seonggon in the MR3 team is a new Hive committer. Congratulations. Sungwoo

7/14/25

David Engel, Sungwoo Park2

7/14/25

Missing File in Iceberg Table

Not sure what would be the best way to fix it. I believe it is an Iceberg problem, so perhaps the

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Missing File in Iceberg Table

Not sure what would be the best way to fix it. I believe it is an Iceberg problem, so perhaps the

7/14/25

7/2/25

MR3 2.1 released

MR3 2.1 has been released. For the result of performance evaluation, please see our new blog article:

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MR3 2.1 released

MR3 2.1 has been released. For the result of performance evaluation, please see our new blog article:

7/2/25

David Engel, Sungwoo Park2

6/19/25

hive.aux.jars.path

In the current implementation, Hive-MR3-K8s does not use hive.aux.jars.path (disallowed) and hive.mr3

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hive.aux.jars.path

In the current implementation, Hive-MR3-K8s does not use hive.aux.jars.path (disallowed) and hive.mr3

6/19/25

David Engel, … Sungwoo Park5

6/19/25

Iceberg compaction with external, MySQL Metastore

It seems that all these issues are due to the Jar file missing in the classpath. I will try to fix

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Iceberg compaction with external, MySQL Metastore

It seems that all these issues are due to the Jar file missing in the classpath. I will try to fix

6/19/25

David Engel, … Ill5

6/19/25

Problem with collect_set()

Does hive4.0.1 on mr3-1.12 have the same issue? On Fri, Apr 18, 2025 at 2:48 AM David Engel <david

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Problem with collect_set()

Does hive4.0.1 on mr3-1.12 have the same issue? On Fri, Apr 18, 2025 at 2:48 AM David Engel <david

6/19/25

David Engel, Sungwoo Park2

6/11/25

Apache Superset and MR3 2.x

Hi David, If you use the plain shell scripts, you cannot directly use the Superset image that we

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Apache Superset and MR3 2.x

Hi David, If you use the plain shell scripts, you cannot directly use the Superset image that we

6/11/25

6/1/25

Performance of Hive-MR3 2.1

Typo: In our last benchmark, Hive-MR3 2.0: 2873 seconds vs Trino 468: 4441 seconds --> In our last

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Performance of Hive-MR3 2.1

Typo: In our last benchmark, Hive-MR3 2.0: 2873 seconds vs Trino 468: 4441 seconds --> In our last

6/1/25

David Engel, Sungwoo Park5

5/14/25

Large Iceberg inserts cause HDFS errors

The old page is probably what Google returned when I searched after your earlier email. It 404-ed

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Large Iceberg inserts cause HDFS errors

The old page is probably what Google returned when I searched after your earlier email. It 404-ed

5/14/25

federico jordán, Sungwoo Park5

5/6/25

Spark issues with Hive 4

Hi, I've noticed that the Hive3 branch is no longer being actively maintained. However, we still

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Spark issues with Hive 4

Hi, I've noticed that the Hive3 branch is no longer being actively maintained. However, we still

5/6/25

4/21/25

New blog article on MR3 2.0

https://mr3docs.datamonad.com/blog/2025-04-18-performance-evaluation-2.0 Performance Evaluation of

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New blog article on MR3 2.0

https://mr3docs.datamonad.com/blog/2025-04-18-performance-evaluation-2.0 Performance Evaluation of

4/21/25

David Engel, Sungwoo Park2

4/17/25

How to use persistent volumes in mr3worker pods

This hack continues to work. I tested it on my own cluster: WORK_DIR_PERSISTENT_VOLUME_CLAIM=workdir-

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How to use persistent volumes in mr3worker pods

This hack continues to work. I tested it on my own cluster: WORK_DIR_PERSISTENT_VOLUME_CLAIM=workdir-

4/17/25

David Engel, Sungwoo Park5

4/17/25

Workdir location

Thanks, again. I'll leave those settings alone. Without work-dir being mounted from outside, I

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Workdir location

Thanks, again. I'll leave those settings alone. Without work-dir being mounted from outside, I

4/17/25

4/15/25

In preparation for the release of MR3 2.0, we redesigned the website. https://datamonad.com/ The blog

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In preparation for the release of MR3 2.0, we redesigned the website. https://datamonad.com/ The blog

4/15/25

11/29/24

Hive-MR3 git repository

I updated the default branch of Hive-MR3 git repository to master4.0.0. master4.0.0 is based on Hive

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Hive-MR3 git repository

I updated the default branch of Hive-MR3 git repository to master4.0.0. master4.0.0 is based on Hive

11/29/24

11/14/24

Hive 4.0.1 on MR3 1.12

We have released Hive 4.0.1 on MR3 1.12. (We longer update Hive 3.1.3 on MR3.) Please check out the

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Hive 4.0.1 on MR3 1.12

We have released Hive 4.0.1 on MR3 1.12. (We longer update Hive 3.1.3 on MR3.) Please check out the

11/14/24

10/9/24

A blog article on the performance of Hive 4.0.1 on MR3 1.12

Hello, We have published a new article where we report the experimental result of running TPC-DS 10TB

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A blog article on the performance of Hive 4.0.1 on MR3 1.12

Hello, We have published a new article where we report the experimental result of running TPC-DS 10TB

10/9/24

8/3/24

MR3 1.11 Release

For the performance of Hive 4 on MR3, see this blog article: https://www.datamonad.com/post/2024-08-

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MR3 1.11 Release

For the performance of Hive 4 on MR3, see this blog article: https://www.datamonad.com/post/2024-08-

8/3/24

7/11/24

Hive 4.0.0 on MR3

We are quite close to releasing Hive 4 on MR3 1.11, along with the least release of Hive 3.1.3 on MR3

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Hive 4.0.0 on MR3

We are quite close to releasing Hive 4 on MR3 1.11, along with the least release of Hive 3.1.3 on MR3

7/11/24

Joaquim Ceballos Casals, Sungwoo Park2

6/1/24

Critial Error License has expired in MR3 Master

Could you try MR3 1.9 or MR3 1.10 Docker image for now? For MR3 1.10, there were reports of the

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Critial Error License has expired in MR3 Master

Could you try MR3 1.9 or MR3 1.10 Docker image for now? For MR3 1.10, there were reports of the

6/1/24

3/17/24

MR3 1.10 Release

Here is a quick summary of performance comparison between MR3 1.9 and MR3 1.10 on the original TPC-DS

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MR3 1.10 Release

Here is a quick summary of performance comparison between MR3 1.9 and MR3 1.10 on the original TPC-DS

3/17/24

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