[ 
https://issues.apache.org/jira/browse/FLINK-9795?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16576049#comment-16576049
 ] 

ASF GitHub Bot commented on FLINK-9795:
---------------------------------------

asfgit closed pull request #6533: [FLINK-9795][mesos, docs] Update Mesos 
documentation for FLIP-6
URL: https://github.com/apache/flink/pull/6533
 
 
   

This is a PR merged from a forked repository.
As GitHub hides the original diff on merge, it is displayed below for
the sake of provenance:

As this is a foreign pull request (from a fork), the diff is supplied
below (as it won't show otherwise due to GitHub magic):

diff --git 
a/docs/_includes/generated/high_availability_zookeeper_configuration.html 
b/docs/_includes/generated/high_availability_zookeeper_configuration.html
index a49d160618a..6577878674b 100644
--- a/docs/_includes/generated/high_availability_zookeeper_configuration.html
+++ b/docs/_includes/generated/high_availability_zookeeper_configuration.html
@@ -60,7 +60,7 @@
         <tr>
             <td><h5>high-availability.zookeeper.path.mesos-workers</h5></td>
             <td style="word-wrap: break-word;">"/mesos-workers"</td>
-            <td>ZooKeeper root path (ZNode) for Mesos workers.</td>
+            <td>The ZooKeeper root path for persisting the Mesos worker 
information.</td>
         </tr>
         <tr>
             <td><h5>high-availability.zookeeper.path.root</h5></td>
diff --git a/docs/_includes/generated/job_manager_configuration.html 
b/docs/_includes/generated/job_manager_configuration.html
index edab77ef46a..0458af24c06 100644
--- a/docs/_includes/generated/job_manager_configuration.html
+++ b/docs/_includes/generated/job_manager_configuration.html
@@ -20,7 +20,7 @@
         <tr>
             <td><h5>jobmanager.execution.failover-strategy</h5></td>
             <td style="word-wrap: break-word;">"full"</td>
-            <td>This option specifies how the job computation recovers from 
task failures.Accepted values are:<ul><li>'full': Restarts all 
tasks.</li><li>'individual': Restarts only the failed task. Should only be used 
if all tasks are independent components.</li><li>'region': Restarts all tasks 
that could be affected by the task failure.</li></ul></td>
+            <td>This option specifies how the job computation recovers from 
task failures. Accepted values are:<ul><li>'full': Restarts all 
tasks.</li><li>'individual': Restarts only the failed task. Should only be used 
if all tasks are independent components.</li><li>'region': Restarts all tasks 
that could be affected by the task failure.</li></ul></td>
         </tr>
         <tr>
             <td><h5>jobmanager.heap.size</h5></td>
diff --git a/docs/_includes/generated/mesos_configuration.html 
b/docs/_includes/generated/mesos_configuration.html
index c514c86af3e..54e92e5680c 100644
--- a/docs/_includes/generated/mesos_configuration.html
+++ b/docs/_includes/generated/mesos_configuration.html
@@ -15,17 +15,17 @@
         <tr>
             <td><h5>mesos.initial-tasks</h5></td>
             <td style="word-wrap: break-word;">0</td>
-            <td>The initial workers to bring up when the master starts</td>
+            <td>The initial workers to bring up when the master starts. This 
option is ignored unless Flink is in <a href="#legacy">legacy mode</a>.</td>
         </tr>
         <tr>
             <td><h5>mesos.master</h5></td>
             <td style="word-wrap: break-word;">(none)</td>
-            <td>The Mesos master URL. The value should be in one of the 
following forms: "host:port", "zk://host1:port1,host2:port2,.../path", 
"zk://username:password@host1:port1,host2:port2,.../path" or 
"file:///path/to/file"</td>
+            <td>The Mesos master URL. The value should be in one of the 
following forms: 
<ul><li>host:port</li><li>zk://host1:port1,host2:port2,.../path</li><li>zk://username:password@host1:port1,host2:port2,.../path</li><li>file:///path/to/file</li></ul></td>
         </tr>
         <tr>
             <td><h5>mesos.maximum-failed-tasks</h5></td>
             <td style="word-wrap: break-word;">-1</td>
-            <td>The maximum number of failed workers before the cluster fails. 
May be set to -1 to disable this feature</td>
+            <td>The maximum number of failed workers before the cluster fails. 
May be set to -1 to disable this feature. This option is ignored unless Flink 
is in <a href="#legacy">legacy mode</a>.</td>
         </tr>
         <tr>
             <td><h5>mesos.resourcemanager.artifactserver.port</h5></td>
@@ -65,7 +65,7 @@
         <tr>
             <td><h5>mesos.resourcemanager.tasks.port-assignments</h5></td>
             <td style="word-wrap: break-word;">(none)</td>
-            <td>Comma-separated list of configuration keys which represent a 
configurable port.All port keys will dynamically get a port assigned through 
Mesos.</td>
+            <td>Comma-separated list of configuration keys which represent a 
configurable port. All port keys will dynamically get a port assigned through 
Mesos.</td>
         </tr>
     </tbody>
 </table>
diff --git a/docs/_includes/generated/mesos_task_manager_configuration.html 
b/docs/_includes/generated/mesos_task_manager_configuration.html
index 0af844dbceb..1e67f8429d7 100644
--- a/docs/_includes/generated/mesos_task_manager_configuration.html
+++ b/docs/_includes/generated/mesos_task_manager_configuration.html
@@ -10,12 +10,12 @@
         <tr>
             <td><h5>mesos.constraints.hard.hostattribute</h5></td>
             <td style="word-wrap: break-word;">(none)</td>
-            <td>Constraints for task placement on mesos.</td>
+            <td>Constraints for task placement on Mesos based on agent 
attributes. Takes a comma-separated list of key:value pairs corresponding to 
the attributes exposed by the target mesos agents. Example: 
az:eu-west-1a,series:t2</td>
         </tr>
         <tr>
             <td><h5>mesos.resourcemanager.tasks.bootstrap-cmd</h5></td>
             <td style="word-wrap: break-word;">(none)</td>
-            <td></td>
+            <td>A command which is executed before the TaskManager is 
started.</td>
         </tr>
         <tr>
             
<td><h5>mesos.resourcemanager.tasks.container.docker.force-pull-image</h5></td>
@@ -50,12 +50,12 @@
         <tr>
             <td><h5>mesos.resourcemanager.tasks.gpus</h5></td>
             <td style="word-wrap: break-word;">0</td>
-            <td></td>
+            <td>GPUs to assign to the Mesos workers.</td>
         </tr>
         <tr>
             <td><h5>mesos.resourcemanager.tasks.hostname</h5></td>
             <td style="word-wrap: break-word;">(none)</td>
-            <td></td>
+            <td>Optional value to define the TaskManager’s hostname. The 
pattern _TASK_ is replaced by the actual id of the Mesos task. This can be used 
to configure the TaskManager to use Mesos DNS (e.g. _TASK_.flink-service.mesos) 
for name lookups.</td>
         </tr>
         <tr>
             <td><h5>mesos.resourcemanager.tasks.mem</h5></td>
diff --git a/docs/ops/deployment/mesos.md b/docs/ops/deployment/mesos.md
index aca6f233eb1..1ff8afad74e 100644
--- a/docs/ops/deployment/mesos.md
+++ b/docs/ops/deployment/mesos.md
@@ -59,13 +59,11 @@ or configuration files. For instance, in non-containerized 
environments, the
 artifact server will provide the Flink binaries. What files will be served
 depends on the configuration overlay used.
 
-### Flink's JobManager and Web Interface
+### Flink's Dispatcher and Web Interface
 
-The Mesos scheduler currently resides with the JobManager but will be started
-independently of the JobManager in future versions (see
-[FLIP-6](https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=65147077)).
 The
-proposed changes will also add a Dispatcher component which will be the central
-point for job submission and monitoring.
+The Dispatcher and the web interface provide a central point for monitoring,
+job submission, and other client interaction with the cluster
+(see 
[FLIP-6](https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=65147077)).
 
 ### Startup script and configuration overlays
 
@@ -139,7 +137,7 @@ More information about the deployment scripts can be found 
[here](http://mesos.a
 
 ### Installing Marathon
 
-Optionally, you may also [install 
Marathon](https://mesosphere.github.io/marathon/docs/) which will be necessary 
to run Flink in high availability (HA) mode.
+Optionally, you may also [install 
Marathon](https://mesosphere.github.io/marathon/docs/) which enables you to run 
Flink in [high availability (HA) mode](#high-availability).
 
 ### Pre-installing Flink vs Docker/Mesos containers
 
@@ -171,8 +169,6 @@ which manage the Flink processes in a Mesos cluster:
    It is automatically launched by the Mesos worker node to bring up a new 
TaskManager.
 
 In order to run the `mesos-appmaster.sh` script you have to define 
`mesos.master` in the `flink-conf.yaml` or pass it via `-Dmesos.master=...` to 
the Java process.
-Additionally, you should define the number of task managers which are started 
by Mesos via `mesos.initial-tasks`.
-This value can also be defined in the `flink-conf.yaml` or passed as a Java 
property.
 
 When executing `mesos-appmaster.sh`, it will create a job manager on the 
machine where you executed the script.
 In contrast to that, the task managers will be run as Mesos tasks in the Mesos 
cluster.
@@ -188,19 +184,21 @@ For example:
         -Djobmanager.heap.mb=1024 \
         -Djobmanager.rpc.port=6123 \
         -Drest.port=8081 \
-        -Dmesos.initial-tasks=10 \
         -Dmesos.resourcemanager.tasks.mem=4096 \
         -Dtaskmanager.heap.mb=3500 \
         -Dtaskmanager.numberOfTaskSlots=2 \
         -Dparallelism.default=10
 
+<div class="alert alert-info">
+  <strong>Note:</strong> If Flink is in <a href="{{ site.baseurl 
}}/ops/config.html#legacy">legacy mode</a>,
+  you should additionally define the number of task managers that are started 
by Mesos via
+  <a href="{{ site.baseurl 
}}/ops/config.html#mesos-initial-tasks"><code>mesos.initial-tasks</code></a>.
+</div>
 
 ### High Availability
 
 You will need to run a service like Marathon or Apache Aurora which takes care 
of restarting the Flink master process in case of node or process failures.
-In addition, Zookeeper needs to be configured like described in the [High 
Availability section of the Flink docs]({{ site.baseurl 
}}/ops/jobmanager_high_availability.html)
-
-For the reconciliation of tasks to work correctly, please also set 
`high-availability.zookeeper.path.mesos-workers` to a valid Zookeeper path.
+In addition, Zookeeper needs to be configured like described in the [High 
Availability section of the Flink docs]({{ site.baseurl 
}}/ops/jobmanager_high_availability.html).
 
 #### Marathon
 
@@ -211,7 +209,7 @@ Here is an example configuration for Marathon:
 
     {
         "id": "flink",
-        "cmd": "$FLINK_HOME/bin/mesos-appmaster.sh -Djobmanager.heap.mb=1024 
-Djobmanager.rpc.port=6123 -Drest.port=8081 -Dmesos.initial-tasks=1 
-Dmesos.resourcemanager.tasks.mem=1024 -Dtaskmanager.heap.mb=1024 
-Dtaskmanager.numberOfTaskSlots=2 -Dparallelism.default=2 
-Dmesos.resourcemanager.tasks.cpus=1",
+        "cmd": "$FLINK_HOME/bin/mesos-appmaster.sh -Djobmanager.heap.mb=1024 
-Djobmanager.rpc.port=6123 -Drest.port=8081 
-Dmesos.resourcemanager.tasks.mem=1024 -Dtaskmanager.heap.mb=1024 
-Dtaskmanager.numberOfTaskSlots=2 -Dparallelism.default=2 
-Dmesos.resourcemanager.tasks.cpus=1",
         "cpus": 1.0,
         "mem": 1024
     }
@@ -220,60 +218,7 @@ When running Flink with Marathon, the whole Flink cluster 
including the job mana
 
 ### Configuration parameters
 
-`mesos.initial-tasks`: The initial workers to bring up when the master starts 
(**DEFAULT**: The number of workers specified at cluster startup).
-
-`mesos.constraints.hard.hostattribute`: Constraints for task placement on 
Mesos based on agent attributes (**DEFAULT**: None).
-Takes a comma-separated list of key:value pairs corresponding to the 
attributes exposed by the target
-mesos agents.  Example: `az:eu-west-1a,series:t2`
-
-`mesos.maximum-failed-tasks`: The maximum number of failed workers before the 
cluster fails (**DEFAULT**: Number of initial workers).
-May be set to -1 to disable this feature.
-
-`mesos.master`: The Mesos master URL. The value should be in one of the 
following forms:
-
-* `host:port`
-* `zk://host1:port1,host2:port2,.../path`
-* `zk://username:password@host1:port1,host2:port2,.../path`
-* `file:///path/to/file`
-
-`mesos.failover-timeout`: The failover timeout in seconds for the Mesos 
scheduler, after which running tasks are automatically shut down (**DEFAULT:** 
600).
-
-`mesos.resourcemanager.artifactserver.port`:The config parameter defining the 
Mesos artifact server port to use. Setting the port to 0 will let the OS choose 
an available port.
-
-`mesos.resourcemanager.framework.name`: Mesos framework name (**DEFAULT:** 
Flink)
-
-`mesos.resourcemanager.framework.role`: Mesos framework role definition 
(**DEFAULT:** *)
-
-`high-availability.zookeeper.path.mesos-workers`: The ZooKeeper root path for 
persisting the Mesos worker information.
-
-`mesos.resourcemanager.framework.principal`: Mesos framework principal (**NO 
DEFAULT**)
-
-`mesos.resourcemanager.framework.secret`: Mesos framework secret (**NO 
DEFAULT**)
-
-`mesos.resourcemanager.framework.user`: Mesos framework user (**DEFAULT:**"")
-
-`mesos.resourcemanager.artifactserver.ssl.enabled`: Enables SSL for the Flink 
artifact server (**DEFAULT**: true). Note that `security.ssl.enabled` also 
needs to be set to `true` encryption to enable encryption.
-
-`mesos.resourcemanager.tasks.mem`: Memory to assign to the Mesos workers in MB 
(**DEFAULT**: 1024)
-
-`mesos.resourcemanager.tasks.cpus`: CPUs to assign to the Mesos workers 
(**DEFAULT**: 0.0)
-
-`mesos.resourcemanager.tasks.gpus`: GPUs to assign to the Mesos workers 
(**DEFAULT**: 0.0)
-
-`mesos.resourcemanager.tasks.container.type`: Type of the containerization 
used: "mesos" or "docker" (DEFAULT: mesos);
-
-`mesos.resourcemanager.tasks.container.image.name`: Image name to use for the 
container (**NO DEFAULT**)
-
-`mesos.resourcemanager.tasks.container.volumes`: A comma separated list of 
`[host_path:]`container_path`[:RO|RW]`. This allows for mounting additional 
volumes into your container. (**NO DEFAULT**)
-
-`mesos.resourcemanager.tasks.container.docker.parameters`: Custom parameters 
to be passed into docker run command when using the docker containerizer. Comma 
separated list of `key=value` pairs. `value` may contain '=' (**NO DEFAULT**)
-
-`mesos.resourcemanager.tasks.uris`: A comma separated list of URIs of custom 
artifacts to be downloaded into the sandbox of Mesos workers. (**NO DEFAULT**)
-
-`mesos.resourcemanager.tasks.container.docker.force-pull-image`: Instruct the 
docker containerizer to forcefully pull the image rather than reuse a cached 
version. (**DEFAULT**: false)
-
-`mesos.resourcemanager.tasks.hostname`: Optional value to define the 
TaskManager's hostname. The pattern `_TASK_` is replaced by the actual id of 
the Mesos task. This can be used to configure the TaskManager to use Mesos DNS 
(e.g. `_TASK_.flink-service.mesos`) for name lookups. (**NO DEFAULT**)
-
-`mesos.resourcemanager.tasks.bootstrap-cmd`: A command which is executed 
before the TaskManager is started (**NO DEFAULT**).
+For a list of Mesos specific configuration, refer to the [Mesos section]({{ 
site.baseurl }}/ops/config.html#mesos)
+of the configuration documentation.
 
 {% top %}
diff --git 
a/flink-core/src/main/java/org/apache/flink/configuration/HighAvailabilityOptions.java
 
b/flink-core/src/main/java/org/apache/flink/configuration/HighAvailabilityOptions.java
index c8b8ae982a9..787efffa3ed 100644
--- 
a/flink-core/src/main/java/org/apache/flink/configuration/HighAvailabilityOptions.java
+++ 
b/flink-core/src/main/java/org/apache/flink/configuration/HighAvailabilityOptions.java
@@ -22,6 +22,7 @@
 import org.apache.flink.annotation.docs.ConfigGroup;
 import org.apache.flink.annotation.docs.ConfigGroups;
 import org.apache.flink.annotation.docs.Documentation;
+import org.apache.flink.configuration.description.Description;
 
 import static org.apache.flink.configuration.ConfigOptions.key;
 
@@ -157,7 +158,9 @@
                        key("high-availability.zookeeper.path.mesos-workers")
                        .defaultValue("/mesos-workers")
                        
.withDeprecatedKeys("recovery.zookeeper.path.mesos-workers")
-                       .withDescription("ZooKeeper root path (ZNode) for Mesos 
workers.");
+                       .withDescription(Description.builder()
+                               .text("The ZooKeeper root path for persisting 
the Mesos worker information.")
+                               .build());
 
        // 
------------------------------------------------------------------------
        //  ZooKeeper Client Settings
diff --git 
a/flink-core/src/main/java/org/apache/flink/configuration/JobManagerOptions.java
 
b/flink-core/src/main/java/org/apache/flink/configuration/JobManagerOptions.java
index c1a23bf747d..1666f213d18 100644
--- 
a/flink-core/src/main/java/org/apache/flink/configuration/JobManagerOptions.java
+++ 
b/flink-core/src/main/java/org/apache/flink/configuration/JobManagerOptions.java
@@ -110,7 +110,7 @@
                key("jobmanager.execution.failover-strategy")
                        .defaultValue("full")
                        .withDescription(Description.builder()
-                               .text("This option specifies how the job 
computation recovers from task failures." +
+                               .text("This option specifies how the job 
computation recovers from task failures. " +
                                        "Accepted values are:")
                                .list(
                                        text("'full': Restarts all tasks."),
diff --git 
a/flink-mesos/src/main/java/org/apache/flink/mesos/configuration/MesosOptions.java
 
b/flink-mesos/src/main/java/org/apache/flink/mesos/configuration/MesosOptions.java
index 7046605f514..426a891e814 100644
--- 
a/flink-mesos/src/main/java/org/apache/flink/mesos/configuration/MesosOptions.java
+++ 
b/flink-mesos/src/main/java/org/apache/flink/mesos/configuration/MesosOptions.java
@@ -19,6 +19,9 @@
 package org.apache.flink.mesos.configuration;
 
 import org.apache.flink.configuration.ConfigOption;
+import org.apache.flink.configuration.description.Description;
+import org.apache.flink.configuration.description.LinkElement;
+import org.apache.flink.configuration.description.TextElement;
 
 import static org.apache.flink.configuration.ConfigOptions.key;
 
@@ -33,7 +36,10 @@
        public static final ConfigOption<Integer> INITIAL_TASKS =
                key("mesos.initial-tasks")
                        .defaultValue(0)
-                       .withDescription("The initial workers to bring up when 
the master starts");
+                       .withDescription(Description.builder()
+                               .text("The initial workers to bring up when the 
master starts. ")
+                               .text("This option is ignored unless Flink is 
in %s.", LinkElement.link("#legacy", "legacy mode"))
+                               .build());
 
        /**
         * The maximum number of failed Mesos tasks before entirely stopping
@@ -44,8 +50,10 @@
        public static final ConfigOption<Integer> MAX_FAILED_TASKS =
                key("mesos.maximum-failed-tasks")
                        .defaultValue(-1)
-                       .withDescription("The maximum number of failed workers 
before the cluster fails. May be set to -1 to disable" +
-                               " this feature");
+                       .withDescription(Description.builder()
+                               .text("The maximum number of failed workers 
before the cluster fails. May be set to -1 to disable this feature. ")
+                               .text("This option is ignored unless Flink is 
in %s.", LinkElement.link("#legacy", "legacy mode"))
+                               .build());
 
        /**
         * The Mesos master URL.
@@ -63,9 +71,14 @@
        public static final ConfigOption<String> MASTER_URL =
                key("mesos.master")
                        .noDefaultValue()
-                       .withDescription("The Mesos master URL. The value 
should be in one of the following forms:" +
-                               " \"host:port\", 
\"zk://host1:port1,host2:port2,.../path\"," +
-                               " 
\"zk://username:password@host1:port1,host2:port2,.../path\" or 
\"file:///path/to/file\"");
+                       .withDescription(Description.builder()
+                               .text("The Mesos master URL. The value should 
be in one of the following forms: ")
+                               .list(
+                                       TextElement.text("host:port"),
+                                       
TextElement.text("zk://host1:port1,host2:port2,.../path"),
+                                       
TextElement.text("zk://username:password@host1:port1,host2:port2,.../path"),
+                                       
TextElement.text("file:///path/to/file"))
+                               .build());
 
        /**
         * The failover timeout for the Mesos scheduler, after which running 
tasks are automatically shut down.
@@ -125,7 +138,9 @@
         */
        public static final ConfigOption<String> PORT_ASSIGNMENTS = 
key("mesos.resourcemanager.tasks.port-assignments")
                .defaultValue("")
-               .withDescription("Comma-separated list of configuration keys 
which represent a configurable port." +
-                       "All port keys will dynamically get a port assigned 
through Mesos.");
+               .withDescription(Description.builder()
+                       .text("Comma-separated list of configuration keys which 
represent a configurable port. " +
+                               "All port keys will dynamically get a port 
assigned through Mesos.")
+                       .build());
 
 }
diff --git 
a/flink-mesos/src/main/java/org/apache/flink/mesos/runtime/clusterframework/MesosTaskManagerParameters.java
 
b/flink-mesos/src/main/java/org/apache/flink/mesos/runtime/clusterframework/MesosTaskManagerParameters.java
index d915b36cbae..03156297188 100644
--- 
a/flink-mesos/src/main/java/org/apache/flink/mesos/runtime/clusterframework/MesosTaskManagerParameters.java
+++ 
b/flink-mesos/src/main/java/org/apache/flink/mesos/runtime/clusterframework/MesosTaskManagerParameters.java
@@ -22,6 +22,7 @@
 import org.apache.flink.configuration.Configuration;
 import org.apache.flink.configuration.IllegalConfigurationException;
 import org.apache.flink.configuration.TaskManagerOptions;
+import org.apache.flink.configuration.description.Description;
 import 
org.apache.flink.runtime.clusterframework.ContaineredTaskManagerParameters;
 import org.apache.flink.util.Preconditions;
 
@@ -65,7 +66,8 @@
 
        public static final ConfigOption<Integer> MESOS_RM_TASKS_GPUS =
                key("mesos.resourcemanager.tasks.gpus")
-               .defaultValue(0);
+               .defaultValue(0)
+               .withDescription(Description.builder().text("GPUs to assign to 
the Mesos workers.").build());
 
        public static final ConfigOption<String> MESOS_RM_CONTAINER_TYPE =
                key("mesos.resourcemanager.tasks.container.type")
@@ -79,7 +81,12 @@
 
        public static final ConfigOption<String> MESOS_TM_HOSTNAME =
                key("mesos.resourcemanager.tasks.hostname")
-               .noDefaultValue();
+               .noDefaultValue()
+               .withDescription(Description.builder()
+                       .text("Optional value to define the TaskManager’s 
hostname. " +
+                               "The pattern _TASK_ is replaced by the actual 
id of the Mesos task. " +
+                               "This can be used to configure the TaskManager 
to use Mesos DNS (e.g. _TASK_.flink-service.mesos) for name lookups.")
+                       .build());
 
        public static final ConfigOption<String> MESOS_TM_CMD =
                key("mesos.resourcemanager.tasks.taskmanager-cmd")
@@ -87,7 +94,10 @@
 
        public static final ConfigOption<String> MESOS_TM_BOOTSTRAP_CMD =
                key("mesos.resourcemanager.tasks.bootstrap-cmd")
-               .noDefaultValue();
+               .noDefaultValue()
+               .withDescription(Description.builder()
+                       .text("A command which is executed before the 
TaskManager is started.")
+                       .build());
 
        public static final ConfigOption<String> MESOS_TM_URIS =
                key("mesos.resourcemanager.tasks.uris")
@@ -116,7 +126,11 @@
        public static final ConfigOption<String> 
MESOS_CONSTRAINTS_HARD_HOSTATTR =
                key("mesos.constraints.hard.hostattribute")
                .noDefaultValue()
-               .withDescription("Constraints for task placement on mesos.");
+               .withDescription(Description.builder()
+                       .text("Constraints for task placement on Mesos based on 
agent attributes. " +
+                               "Takes a comma-separated list of key:value 
pairs corresponding to the attributes exposed by the target mesos agents. " +
+                               "Example: az:eu-west-1a,series:t2")
+                       .build());
 
        /**
         * Value for {@code MESOS_RESOURCEMANAGER_TASKS_CONTAINER_TYPE} 
setting. Tells to use the Mesos containerizer.


 

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> Update Mesos documentation for flip6
> ------------------------------------
>
>                 Key: FLINK-9795
>                 URL: https://issues.apache.org/jira/browse/FLINK-9795
>             Project: Flink
>          Issue Type: Improvement
>          Components: Documentation
>    Affects Versions: 1.5.0, 1.6.0
>            Reporter: Leonid Ishimnikov
>            Assignee: Gary Yao
>            Priority: Major
>              Labels: pull-request-available
>
> Mesos documentation would benefit from an overhaul after flip6 became the 
> default cluster management model.



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