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https://issues.apache.org/jira/browse/YARN-7198?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16190753#comment-16190753
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Allen Wittenauer edited comment on YARN-7198 at 10/4/17 3:41 AM:
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I tried to run this based upon the documentation here:
https://github.com/apache/hadoop/blob/63d1084e9781e0fee876916190b69f6242dd00e4/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/yarn-service/RegistryDNS.md
Playing with this tonight, one thing has become really obvious:
I'm looking in a directory called 'yarn-service' at documentation. If this is
the 'yarn-service', then what is the rest of YARN? service is really not a
good word to use. In fact, service is so over used in the YARN documentation
(here and elsewhere) as a whole that it's lost all meaning. :(
Anyway....
I tried to run this with these configs:
{code}
<property>
<name>hadoop.registry.dns.enabled</name>
<value>true</value>
</property>
<property>
<name>hadoop.registry.dns.domain-name</name>
<value>hadoop.example.com</value>
</property>
<property>
<name>hadoop.registry.dns.bind-port</name>
<value>54</value>
</property>
<property>
<name>hadoop.registry.dns.zone-subnet</name>
<value>172.16.170.0</value>
</property>
<property>
<name>hadoop.registry.dns.zone-subnet</name>
<value>255.255.255.0</value>
</property>
{code}
It's interesting that it failed to start because it couldn't connect to ZK on
localhost/127.0.0.1:2181. So I'm guessing there is a chunk of documentation
missing?
That said:
bq. hadoop.registry.dns.zone-subnet
How is this specified? CIDR notation?
bq. hadoop.registry.dns.zone-mask
OK, maybe not?
An example really needs to exist in the markdown docs for these two entries
about what is actually wanted here. For example, if I want 192.168.100.0/22
(aka 192.168.100.0 to 192.168.103.255), what does the configuration look like?
If it supports CIDR, then zone-mask is pointless. But I'm guessing it only
supports the classic class A, B, and C?
This is really important because reverse addressing for non-standard network
blocks is a bit wacky to configure even on standard DNS servers.
Thanks.
was (Author: aw):
I tried to run this based upon the documentation here:
https://github.com/apache/hadoop/blob/63d1084e9781e0fee876916190b69f6242dd00e4/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/yarn-service/RegistryDNS.md
Playing with this tonight, one thing has become really obvious:
I'm looking in a directory called 'yarn-service' at documentation. If this is
the 'yarn-service', then what is the rest of YARN? service is really not a
good word to use. In fact, service is so over used in the YARN documentation
(here and elsewhere) as a whole that it's lost all meaning. :(
Anyway....
I tried to run this with these configs:
{code}
<property>
<name>hadoop.registry.dns.enabled</name>
<value>true</value>
</property>
<property>
<name>hadoop.registry.dns.domain-name</name>
<value>hadoop.example.com</value>
</property>
<property>
<name>hadoop.registry.dns.bind-port</name>
<value>54</value>
</property>
<property>
<name>hadoop.registry.dns.zone-subnet</name>
<value>172.16.170.0</value>
</property>
<property>
<name>hadoop.registry.dns.zone-subnet</name>
<value>255.255.255.0</value>
</property>
{code}
It's interesting that it failed to start because it couldn't connect to ZK on
localhost/127.0.0.1:2181. So I'm guessing there is a chunk of documentation
missing?
That said:
bq. hadoop.registry.dns.zone-subnet
How is this specified? CIDR notation?
bq. hadoop.registry.dns.zone-mask
OK, maybe not?
An example really needs to exist in the markdown docs for these two entries
about what is actually wanted here. For example, if I want 192.168.100.0/22
(aka 192.168.100.0 to 192.168.103.255), what does the configuration look like?
If it supports CIDR, then zone-mask is pointless. But I'm guessing it only
supports the classic class A, B, and C?
This is really important because reverse addressing is a bit wacky to configure
even on standard DNS servers.
Thanks.
> Add jsvc support for RegistryDNS
> --------------------------------
>
> Key: YARN-7198
> URL: https://issues.apache.org/jira/browse/YARN-7198
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: yarn-native-services
> Reporter: Billie Rinaldi
> Assignee: Billie Rinaldi
> Priority: Critical
> Attachments: YARN-7198-yarn-native-services.01.patch,
> YARN-7198-yarn-native-services.02.patch,
> YARN-7198-yarn-native-services.03.patch,
> YARN-7198-yarn-native-services.04.patch
>
>
> RegistryDNS should have jsvc support and be managed through the shell
> scripts, rather than being started manually. See original comments on
> YARN-7191.
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