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From "Noble Paul (JIRA)" <>
Subject [jira] Commented: (SOLR-1305) Notification based replication instead of polling
Date Thu, 23 Jul 2009 08:11:14 GMT


Noble Paul commented on SOLR-1305:

bq.With a little help from Zookeeper, is that the plan? 

not yet. Please help me with details on how  we can incorporate zookeeper into this. I guess
it should be a pluggable 

> Notification based replication instead of polling
> -------------------------------------------------
>                 Key: SOLR-1305
>                 URL:
>             Project: Solr
>          Issue Type: New Feature
>          Components: replication (java)
>            Reporter: Noble Paul
>             Fix For: 1.5
> Currently the only way for the slave to know about the availability of of new commit
points is by polling. This means slaves should 'poll'  very frequently  to ensure that it
gets the commit point immediately. if the changes to the master is less frequent, then this
can be an unnecessary overhead. If would be nice if the slave can register itself with the
master for notification on availability of new changes. After receiving the notification ,
the slave can trigger a poll and do what it does now.  This may require SOLR-727 so that the
slave can register its url with the master

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