I am pleased to announce the donation of additional GemFire code to the Geode 
community.  The code being donated adds significant capabilities used by many 
GemFire customers in production, namely WAN replication and Continuous Query.

*WAN replication* provides event delivery and data synchronization for 
multi-site distributed clusters.  Asynchronous, persistent event delivery to 
remote systems enables patterns such Active/Active, Disaster Recovery, or 
Follow-the-Sun with support for configurable, eventually consistent data 
replication.  *Continuous Querying* allows clients to subscribe to server 
events by using SQL-like query filtering.  Events that match or modify the 
query results are queued and delivered to the client using the client/server 
subscription framework.

The Software Grant Agreement for this code has been accepted by the ASF 
secretary.

The donated code currently sits in a separate branch in the Geode repository 
named wan_cq_donation [1] and is awaiting community feedback.  I encourage 
everyone in the Geode community to review this donation and provide feedback.  
Once the community has reached a consensus we can determine next steps and how 
this code might get merged into the develop branch so that all users can access 
these features.  Your suggestions are most welcome!


Thanks,
Anthony

[1] 
https://git1-us-west.apache.org/repos/asf?p=incubator-geode.git;a=tree;h=refs/heads/wan_cq_donation;hb=refs/heads/wan_cq_donation
 
<https://git1-us-west.apache.org/repos/asf?p=incubator-geode.git;a=tree;h=refs/heads/wan_cq_donation;hb=refs/heads/wan_cq_donation>

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