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## 背景
目前的体系中，SparkSQL主要提供给ad-hoc类的OLAP查询。SparkSQL通过metastore获取hive表信息，因而可以直接查询Hive表的数据。metastore的性能直接影响SparkSQL的查询速度。
这次的问题是从用户上报的一个case（属于第一类问题）开始追查，过程中出现了很多和“想象”的场景不一样的情况。最终的结果可能很简单，过程中使用到的工具值…
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**Hello !**
I've found an error in [Fabric8 maven plugin example application](https://radanalytics.io/applications/fabric8-maven-plugin)
**Preconditions:**
1. Install maven
2. Install opens…
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### What happens?
use jdbc to query the .parquet table, an error message will be reported if the SQL statement contains in
### To Reproduce
```
PreparedStatement ps = dataSource.getConnection().…
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**H2O version, Operating System and Environment**
Ubuntu 22.04 or Ubuntu 20.04 in WLS
No Firewall
No AntiVirus
Python 3.10
Java Version:
openjdk 11.0.23 2024-04-16
OpenJDK Runtime Environment …
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### Backend
VL (Velox)
### Bug description
The following SQL might lead to wrong results, but it's not yet certain if there are other factors involved. Vanilla Spark results is `NULL` but glu…
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**Describe the problem you faced**
A clear and concise description of the problem.
**To Reproduce**
Steps to reproduce the behavior:
1. Spin up a spark cluster on kubernetes with 1 x drive…
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### Backend
VL (Velox)
### Bug description
```
zetta_spark3@dc78cde26b0c:~$ ./spark/bin/spark-sql --master local --conf spark.executor.instances=3 --conf spark.executor.cores=5 --conf spar…
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This needs more investigation. If already available integrations (jdbc) can read we should document that. Otherwise it may be worth a new dataset type to support parquet.
### Discussed in https://g…
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### Search before asking
- [X] I had searched in the [issues](https://github.com/apache/incubator-seatunnel/issues?q=is%3Aissue+label%3A%22bug%22) and found no similar issues.
### What happened
I'…
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### What happened?
I am running Apache Beam on Spark in Azure. My code:
```py
from apache_beam import Create, Map, Pipeline
from apache_beam.io.parquetio import WriteToParquet
from apache_beam…