introduction to core 4

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

3

3.x Lifetime

● Remaining UI has been transitioned to Ext

● completed SNMPv3 support (incl. Traps)

● more pages transitioned

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

5

6

Core 4: High Level Goals

● solve current problems

● prepare platform for the future

● improve reliability and scale

● provide more plugin points

7

RRDCached

● lowered IO load

● improved collection capabilities per

collector

● more info: http://bit.ly/auyPEU

8

Common Collector Framework

● common functionality has been abstracted

● improved consistency across all collection

daemons

● easier to write your own via ZenPacks

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

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

11

12

Short Demo

behind the scenes

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

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