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Posted to issues@flink.apache.org by "Chesnay Schepler (JIRA)" <ji...@apache.org> on 2018/02/16 20:58:00 UTC
[jira] [Created] (FLINK-8684) Rework
MesosTaskManagerParameters#MESOS_RM_TASKS_SLOTS
Chesnay Schepler created FLINK-8684:
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Summary: Rework MesosTaskManagerParameters#MESOS_RM_TASKS_SLOTS
Key: FLINK-8684
URL: https://issues.apache.org/jira/browse/FLINK-8684
Project: Flink
Issue Type: Improvement
Components: Documentation, Mesos
Affects Versions: 1.5.0
Reporter: Chesnay Schepler
Fix For: 1.5.0
Currently, {{MesosTaskManagerParameters#MESOS_RM_TASKS_SLOTS}} mimics {{TaskManagerOptions#NUM_TASK_SLOTS}}:
{code:java}
public static final ConfigOption<Integer> MESOS_RM_TASKS_SLOTS =
key(ConfigConstants.TASK_MANAGER_NUM_TASK_SLOTS)
.defaultValue(1);
public static final ConfigOption<Integer> NUM_TASK_SLOTS =
key("taskmanager.numberOfTaskSlots")
.defaultValue(1)
.withDescription("...");
{code}
This pattern is problematic as this creates 2 documentation entries for {{taskmanager.numberOfTaskSlots}} with different descriptions, and opens the potential for different defaults. Ultimately this causes the documentation to become ambiguous.
I thus propose to either outright remove this option or turn it into an actual alias:
{code:java}
public static final ConfigOption<Integer> MESOS_RM_TASKS_SLOTS =
TaskManagerOptions.NUM_TASK_SLOTS;
{code}
As a side-effect of FLINK-8683 we can ensure that no differing config options exist for a given key.
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