set-daemon opened a new issue #4277:
URL: https://github.com/apache/incubator-dolphinscheduler/issues/4277
**For better global communication, Please describe it in English. If you
feel the description in English is not clear, then you can append description
in Chinese(just for Mandarin(CN)), thx! **
**Describe the question**
I'm trying the DS, get some launching configurations from file
bin/dolphinscheduler-daemon.sh like that:
```
if [ "$command" = "api-server" ]; then
HEAP_INITIAL_SIZE=1g
HEAP_MAX_SIZE=1g
HEAP_NEW_GENERATION__SIZE=500m
LOG_FILE="-Dlogging.config=classpath:logback-api.xml
-Dspring.profiles.active=api"
CLASS=org.apache.dolphinscheduler.api.ApiApplicationServer
elif [ "$command" = "master-server" ]; then
HEAP_INITIAL_SIZE=4g
HEAP_MAX_SIZE=4g
HEAP_NEW_GENERATION__SIZE=2g
LOG_FILE="-Dlogging.config=classpath:logback-master.xml
-Ddruid.mysql.usePingMethod=false"
CLASS=org.apache.dolphinscheduler.server.master.MasterServer
elif [ "$command" = "worker-server" ]; then
HEAP_INITIAL_SIZE=2g
HEAP_MAX_SIZE=2g
HEAP_NEW_GENERATION__SIZE=1g
LOG_FILE="-Dlogging.config=classpath:logback-worker.xml
-Ddruid.mysql.usePingMethod=false"
CLASS=org.apache.dolphinscheduler.server.worker.WorkerServer
elif [ "$command" = "alert-server" ]; then
HEAP_INITIAL_SIZE=1g
HEAP_MAX_SIZE=1g
HEAP_NEW_GENERATION__SIZE=500m
LOG_FILE="-Dlogback.configurationFile=conf/logback-alert.xml"
CLASS=org.apache.dolphinscheduler.alert.AlertServer
elif [ "$command" = "logger-server" ]; then
HEAP_INITIAL_SIZE=1g
HEAP_MAX_SIZE=1g
HEAP_NEW_GENERATION__SIZE=500m
CLASS=org.apache.dolphinscheduler.server.log.LoggerServer
else
echo "Error: No command named \`$command' was found."
exit 1
fi
```
wondering about:
1) what's the minimal memory for launching the entire system.
2) what's the relationship between the business volume & the memory
configured above.
3)any relationships between the tasks & the memory required by DS? for
example, one task may exhaust 1G Bits memory, the other one exhausts 2G Bits
memory , will it effect the memory used by DS ?
THX!
**Which version of DolphinScheduler:**
-[1.3.3 ]
**Additional context**
**Requirement or improvement**
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