Home | About | Sematext search-lucene.com search-hadoop.com
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB
 Search Hadoop and all its subprojects:

Switch to Plain View
HBase >> mail # user >> How practical is it to add a timestamp oracle on Zookeeper


+
yun peng 2013-04-16, 12:14
+
Jean-Marc Spaggiari 2013-04-16, 12:19
+
yun peng 2013-04-16, 12:40
+
Jean-Marc Spaggiari 2013-04-16, 13:31
+
PG 2013-04-21, 15:10
+
kishore g 2013-04-21, 16:22
+
Jimmy Xiang 2013-04-21, 16:33
+
Bijieshan 2013-04-16, 12:23
Copy link to this message
-
Re: How practical is it to add a timestamp oracle on Zookeeper
Have you looked at https://github.com/yahoo/omid/wiki ?

The Status Oracle implementation may give you some clue.

Cheers

On Apr 16, 2013, at 5:14 AM, yun peng <[EMAIL PROTECTED]> wrote:

> Hi, All,
> I'd like to add a global timestamp oracle on Zookeep to assign globally
> unique timestamp for each Put/Get issued from HBase cluster. The reason I
> put it on Zookeeper is that each Put/Get needs to go through it and unique
> timestamp needs some global centralised facility to do it. But I am asking
> how practical is this scheme, like anyone used in practice?
>
> Also, how difficulty is it to extend Zookeeper, or to inject code to the
> code path of HBase inside Zookeeper. I know HBase has Coprocessor on region
> server to let programmer to extend without recompiling HBase itself. Does
> Zk allow such extensibility? Thanks.
>
> Regards
> Yun
+
Michel Segel 2013-04-21, 16:36
+
Enis Söztutar 2013-04-27, 00:18
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB