Home | About | Sematext search-lucene.com search-hadoop.com
 Search Hadoop and all its subprojects:

Switch to Threaded View
HDFS, mail # user - QJM for federation


Copy link to this message
-
Re: QJM for federation
lei liu 2013-07-17, 08:49
I have another question for QJM.

If I use QJM for HA, do I need to save edit log  on the local filesystem?

I think the QJM is high availability for edit log, so I don't need to
config the "dfs.namenode.edits.dir".
Thanks,

LiuLei
2013/7/17 lei liu <[EMAIL PROTECTED]>

> Thanks Harsh.
>
>
>
>
> 2013/7/17 Harsh J <[EMAIL PROTECTED]>
>
>> This has been asked previously. Use suffixes to solve your issue. See
>> http://search-hadoop.com/m/Fingkg6Dk91
>>
>> On Wed, Jul 17, 2013 at 1:33 PM, lei liu <[EMAIL PROTECTED]> wrote:
>> > I have two namespaces, example below:
>> >
>> > <property>
>> >     <name>dfs.nameservices</name>
>> >     <value>ns1,ns2</value>
>> >  </property>
>> >
>> > Can I config the "dfs.namenode.shared.edits.dir" to below content?
>> > <property>
>> >   <name>dfs.namenode.shared.edits.dir</name>
>> >
>> > <value>qjournal://10.232.98.61:20022;10.232.98.62:20022;
>> 10.232.98.63:20022/nn1,nn2</value>
>> >
>> > </property>
>> >
>> >
>> > Thanks,
>> >
>> > LiuLei
>> >
>> >
>> >
>> >
>> >
>>
>>
>>
>> --
>> Harsh J
>>
>
>