1. An Intro To Core 4
Zenoss Webinar, Apr 12th 2012
Simon Jakesch, simon@zenoss.com

2. State of Affairs
●
3.x has been out for about 1.5 years
●
about 70% of users on 3.x
●
51% are on 3.2.1
●
new UI is helping especially new users
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3. 3.x Lifetime
●
Remaining UI has been transitioned to Ext
●
completed SNMPv3 support (incl. Traps)
●
more pages transitioned
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4. 3.x Problems
●
Zope problems due to increased number of
async. requests
●
Scale with big number of components and
devices
●
Scale with lots of events
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5. 5

6. Core 4: High Level Goals
●
solve current problems
●
prepare platform for the future
●
improve reliability and scale
●
provide more plugin points
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7. RRDCached
●
lowered IO load
●
improved collection capabilities per
collector
●
more info: http://bit.ly/auyPEU
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8. Common Collector Framework
●
common functionality has been abstracted
●
improved consistency across all collection
daemons
●
easier to write your own via ZenPacks
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9. RelStorage and memcached
● CMDB/Zope data is no longer stored in flat file but MySQL
instead
● MySQL 5.5.15+ required to take advantage of new InnoDB
plugin
● memcached for intermediary/shared cache for all clients of
CMDB/Zope data
● more info: http://bit.ly/8g5iQ
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10. Re-written Event System
● RabbitMQ as event system backbone
● new DB schema + MySQL 5.5+
● multi-stage/process event pipeline
● Lucene index backed event store
● multi-threaded Java based event service with REST api
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11. 11

12. Short Demo
behind the scenes
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13. Other Changes
●
Open Source release of all Windows
monitoring and discovery
●
improved ZenPack landscape / ZenPack Repo
●
native CentOS/RH 6.x builds
●
switch to JIRA
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14. Outlook & Questions
● BugHunt is ongoing (http://bit.ly/xeEKkX)
● GA Release expected mid–end May
● next webinar on the 26th of April (event
mgt. and transforms)
● upcoming Core 4 Windows webinar
● IRC: irc.freenode.net #zenoss
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