Verified for 7.0.0-4678

Ran a 30 bucket test with 30 eventing handlers deployed on each of the buckets. Was able to deploy all handlers without errors. 

Run :  http://perf.jenkins.couchbase.com/job/themis_multibucket/68/console 

Build couchbase-server-7.0.0-1414 contains eventing commit aeb6525 with commit message:
: Fix TestUndeployDuringBootstrap

Build couchbase-server-7.0.0-1351 contains eventing commit 4912517 with commit message:
:Add ServiceChangeNotifier to cache Cluster Info

Build 6.5.0-4960

Tried deploying one function on each bucket, able to deploy 6 functions and failed while deploying 7th, calls to /api/v1/status are timing out.

Job- http://perf.jenkins.couchbase.com/job/arke-multi-bucket/346

Logs will be present at the end of console output.

Summary: In a multi-bucket scenario with 30 or more buckets, the Eventing service supports only one function per bucket. An error will be thrown when deploying the second function on a given bucket