MR3

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

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

Okay. David On Wed, May 28, 2025 at 04:29:50PM +0900, Sungwoo Park wrote: > This is a problem we

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

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

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

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

I confirmed your fix is good here. Thanks! David On Fri, Apr 18, 2025 at 12:09:00AM +0900, Sungwoo

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

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

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

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

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

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

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

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

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

1. For the NPE error, we don't have test cases other that q tests included in Hive. If you know

Hello, If you use MR3 1.7 on Kubernetes, please update mr3-run-k8s scripts and switch to MR3 1.9. The

I updated the mr3-run-k8s repo to fix a couple of problems: 1) Java 17 options; 2) running superset

Hello, I have published a new blog article 'Performance Tuning for Single-table Queries'. It

Hive-MR3 is now shipped in HiDataPlus. For the latest announcement of HiDataPlus, please see: https:/

MR3 1.8 has been released. For changes, see the release notes: https://mr3docs.datamonad.com/docs/

Is there a chance that this slow S3 access is due to the use of Avro files? For example, do you see

Some users reported Hive-MR3 getting slower after running for a while. We reproduced this problem by

Thank you for sharing the story. I would like add that with the Tez runtime (in HDP and Hive-MR3),

We have uploaded MR3 1.8 release candidate. https://github.com/mr3project/mr3-release/releases/tag/v1

For those interested in Hive-MR3-Celeborn (with K8s) I know we had to bump the local storage on the

Continuing the comparison between Hive-Tez and Hive-MR3, here is the result of concurrent tests. We

Before the impending release of MR3 1.8, we would like to announce the release of Hive-MR3 with