HyukjinKwon opened a new pull request, #39928:
URL: https://github.com/apache/spark/pull/39928
### What changes were proposed in this pull request?
This PR proposes to scripts to start and stop the Spark Connect server.
### Why are the changes needed?
Currently, there is no proper way to start and stop the Spark Connect
server. Now it requires you to start it with, for example, a Spark shell:
```bash
# For development,
./bin/spark-shell \
--jars `ls connector/connect/target/**/spark-connect*SNAPSHOT.jar` \
--conf spark.plugins=org.apache.spark.sql.connect.SparkConnectPlugin
```
```bash
# For released Spark versions
./bin/spark-shell \
--packages org.apache.spark:spark-connect_2.12:3.4.0 \
--conf spark.plugins=org.apache.spark.sql.connect.SparkConnectPlugin
```
which is awkward.
### Does this PR introduce _any_ user-facing change?
Yes, it adds new scripts to start and stop Spark Connect server.
### How was this patch tested?
Manually tested:
```bash
sbin/start-connectserver.sh
```
```bash
bin/pyspark --remote localhost
...
```
```bash
sbin/stop-connectserver.sh
ps -fe | grep Spark
```
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